Geant4 LXR

Cross-Referencing   Geant4
Geant4/processes/electromagnetic/standard/History

   # Category emstand History
   
   See `CONTRIBUTING.rst` for details of **required** info/format for each entry,
   which **must** added in reverse chronological order (newest at the top).
   It must **not** be used as a substitute for writing good git commit messages!
   
   -------------------------------------------------------------------------------
   
   ## 2024-11-08 V.Ivanchenko (emstand-V11-02-21)
  - G4BraggModel - fixed problem of 4.12 MeV mu+ range reported in
      the Forum #12312.
  
  ## 2024-11-07 V.Ivanchenko (emstand-V11-02-20)
  - G4WentzelOKandVIxSection - Fixed rejection factor for sampling of single
      scattering with nuclear formfactor (Bugzilla problem report #2627)
  - Fixed ion ionisation problem reported in the Forum #12885 and #13018:
  - G4BetheBlochModel - set flags isIon and isAlpha at Initialisation and not
      change in run time
  - G4ionIonisation - use G4BraggIonModel only for alpha and G4BraggModel for
      other ions in the default EM physics
      
  ## 2024-11-04 Philippe Canal (emstand-V11-02-19)
  - Static initialization improvement for G4eBremsstrahlungRelModel.
    Use std::shared_ptr for LPMFuncs and ElementData.
  
  ## 2024-10-31 V.Ivanchenko (emstand-V11-02-18)
  - G4WentzelVIModel - fixed Coverity warning
  
  ## 2024-10-17 V.Ivanchenko (emstand-V11-02-17)
  - renamed G4eplusTo2GammaOKVIModel to G4eplusTo2or3GammaModel to avoid confusions 
  
  ## 2024-09-17 V.Ivanchenko (emstand-V11-02-16)
  - G4WentzelVIModel - fixed Coverity warning
  
  ## 2024-09-04 V.Ivanchenko (emstand-V11-02-15)
  - G4eplusAnnihilation - use orto positronium fraction from material property
      and not from EM parameters
  
  ## 2024-08-26 V.Ivanchenko (emstand-V11-02-14)
  - G4BetheHeitlerModel - include optional possibility to use EPICS2017 x-section
  - G4SimplePsAtRestModel is removed because other solution is used for positron
      annihilation at rest
  
  ## 2024-08-02 V.Ivanchenko (emstand-V11-02-13)
  - G4eplusAnnihilation - updated configuration of models AtRest, the
      choice of 2-gamma, 3-gamma final states is implemented in one place
  
  ## 2024-07-26 I.Semeniouk & D.Bernard (emstand-V11-02-12)
  - G4SimpleoPsAtRestModel - use base class pointers
  - G4PolarizedOrePowellAtRestModel - fix spelling in model name
  - new G4PolarizedOrePowellAtRestModel - Polarized Orel & Powell
    orto positronium decay model AtRest, polarisation based on R. M. Drisko
  
  ## 2024-07-18 V.Ivanchenko (emstand-V11-02-11)
  - G4BraggModel, G4GSMottCorrection, G4GSPWACorrections, G4SBBremTable,
    G4WentzelVIModel, G4WentzelVIRelModel, G4eplusAnnihilation - fixed
      Coverity warnings
  
  ## 2024-07-07 V.Ivanchenko (emstand-V11-02-10)
  - G4BetheHeitler5DModel - added extra protection against division by zero
  
  ## 2024-06-06 I.Semeniouk & D.Bernard (emstand-V11-02-09)
  - new G4OrePowellAtRestModel - Orel & Powell orto positronium decay model AtRest
  - new G4SimpleoPsAtRestModel - simples orto para positronium chooser
  
  ## 2024-06-06 V.Ivanchenko (emstand-V11-02-08)
  - G4BetheHeitler5DModel - fixed computation of sinTheta
  
  ## 2024-06-04 Gabriele Cosmo (emstand-V11-02-07)
  - Fixed compilation warning on macOS/XCode for implicit type conversion
    on G4eplusAnnihilation.
  
  ## 2024-05-28 V.Ivanchenko (emstand-V11-02-06)
  - G4BetheHeitler5DModel - added checks on arguments of G4Exp in SampleSecondaries(..)
      method to avoid FPE problems in the case of -O3 optimisation
  - G4eplusAnnihilation - use more const class members, changed model ID definition
      for produced tracks
  
  ## 2024-05-23 V.Ivanchenko (emstand-V11-02-05)
  - G4UrbanMscModel - L.Urban optimized DistanceToBoundary step limitation
      algorithm currently used only in Opt3 EM physics
  
  ## 2024-05-14 V.Ivanchenko (emstand-V11-02-04)
  - G4SimplePositronAtRestModel, G4AllisonAtRestModel - new classes to sample
      positron annihilation
  - G4eeToTwoGammaModel - cosmetic change
  - G4eplusTo2GammaOKVIModel - removed sampling at rest
  - G4eplusAnnihilation - added selection of AtRest model, implement ApplyCuts
      for AtRest, implement choice of positron annihilation model at rest
  
  ## 2024-02-20 V.Ivanchenko (emstand-V11-02-03)
  - G4eeToTwoGammaModel - fixed precision lost in sampling of final state
      for the very high energy (ATLAS report)
  
  ## 2024-02-06 V.Ivanchenko (emstand-V11-02-02)
  - G4IonFluctuations - disable previous MR - return to 11.2 version
  
  ## 2024-01-27 V.Ivanchenko (emstand-V11-02-01)
  - G4IonFluctuations - fixed problem report #2580 - ion fluctuations at high energy
 
 ## 2024-01-23 V.Ivanchenko (emstand-V11-02-00)
 - G4IonICRU73Data - fixed bug #2586 for the case if target material has
     an element with Z>92, improve debug printouts. In the Lindhard-Sorensen 
     model to compute dEdx the first try is to take it from ICRU73 or ICRU90 
     data, if this class return 0.0, then dEdx is computed from G4GenericIon 
     and effective charge.
 
 ## 2023-11-03 Ben Morgan (emstand-V11-01-24)
 - Use "G4" prefixed version of EXPAT/ZLIB CMake variables
 
 ## 2023-10-19 V.Ivanchenko (emstand-V11-01-23)
 - G4UrbanMscModel - (L. Urban) tuned step limit parameterisation for 
     the case of enabled optional algorithm of lateral displacement.
     The default tracking is not affected.
 
 ## 2023-10-07 V.Ivanchenko (emstand-V11-01-22)
 - G4ASTARStopping, G4PSTARStopping, G4IonICRU73Data - use logarithmic search
     of bin for free vectors
 
 ## 2023-10-05 V.Ivanchenko (emstand-V11-01-21)
 - G4UrbanMscModel - (L. Urban) optional method SampleDisplacementNew(..) is
     rewritten. This method is not used so far in any EM physics configurations
     by default but may be enabled via UI command and/or C++ interface
 
 ## 2023-10-02 V.Ivanchenko (emstand-V11-01-20)
 - G4eBremsstrahlungRelModel - fixed potential division by zero if advanced
     compiler options are used, use G4Pow
 
 ## 2023-08-21 V.Ivanchenko (emstand-V11-01-19)
 - G4SeltzerBergerModel - implement inheritance from G4VEmModel instead of 
     G4eBremsstrahlungRelModel, which means re-implementing common methods
     by cut and paster from G4eBremsstrahlungRelModel and removal LPM 
     computations; use std::applyOnce approach to initilize static data;
     upplied code format.
 - G4eBremsstrahlungRelModel - use std::applyOncy approach to initilize
     static data. This MR is a continuation of implementing a general
     solution for initialisation of static data proposed by Stephan
     Hageboeck
 
 ## 2023-06-18 V.Ivanchenko (emstand-V11-01-18)
 - G4BetheHeitlerModel, G4PairProductionRelModel, G4eBremsstrahlungRelModel,
   G4SeltzerBergerModel - further reorganized initialisation for #2543 and 
     considered neccesity to fix, Initilise(..) method described by Stephan
     Hageboeck, to have thread safe check if a model is the first 
     instance of the class, set lock and perform initilisation of all static
     data. Results of standard EM tests are unchanged.
 
 ## 2023-06-17 V.Ivanchenko (emstand-V11-01-17)
 - G4UrbanMscModel - reduced number of re-computations of safety,
     results of EM tests unchanged
 
 ## 2023-06-13 V.Ivanchenko (emstand-V11-01-16)
 - G4LindHardSorensenIonModel - do not try to use ICRU73 data for projectile Z>80
 
 ## 2023-06-05 V.Ivanchenko (emstand-V11-01-15)
 - G4eBremsstrahlung, G4SeltzerBergerModel - do not change LPM flag at
     initialisation, do not repeat base class initialisation,
     improve code comments
 - G4eBremsstrahlungRelModel - improved comments to the code
 
 ## 2023-06-04 V.Ivanchenko (emstand-V11-01-14)
 - G4eBremsstrahlungRelModel - use LPM flag from G4EmParameters
 
 ## 2023-06-03 V.Ivanchenko (emstand-V11-01-13)
 - G4BetheHeitlerModel, G4PairProductionRelModel, G4eBremsstrahlungRelModel,
   G4SeltzerBergerModel - reorganized initialisation to address bug report #2543.
     Initialisation of static element data is performamed only once for the first
     object independently on how many objects of this kind is created in a thread.
     Results of simulation are identical, only data race is excluded.
 
 ## 2023-05-09 V.Ivanchenko (emstand-V11-01-12)
 - updated hadron/ion ionisation models; initialise stopping power data
   once: PSTAR and ICRU90 in G4BraggModel, ASTAR - in G4BraggIonModel, 
   ICRU73 and ICRU90 ion (Z>2) data in G4LindHardSorensenIonModel;
   G4BraggIonModel inherit from G4Bragg model; fixed stopping power
   of heavy ions at moderate energies
 
 ## 2023-05-03 V.Ivanchenko (emstand-V11-01-11)
 - G4LindhardSorensenIonModel - use G4BraggModel for preliminary computation
     of DEDX at initialisation for G4GenericIon instead of G4BraggIonModel,
     which fix problem of low-energy ion tracking in 11.1ref04
 
 ## 2023-04-20 V.Ivanchenko (emstand-V11-01-10)
 - G4BetheBlochModel, G4BraggIonModel, G4BraggModel,
   G4LindhardSorensenIonModel - updated effective charge of an ion at each
     step of simulation or at each call to G4EmCalculator
   G4WaterStopping, G4hIonisation - clean-up the code
   G4ionIonisation - do not use G4WaterStopping, code clean-up
 
 ## 2023-04-17 V.Ivanchenko (emstand-V11-01-09)
 - G4BraggModel, G4BraggIonModel - use proton stopping data for for all ions
     except alpha, make datasets ponters static, address problem #2532
 - G4LinhardSorensenModel - added extra protection and improved debug printout
 
 ## 2023-03-11 V.Ivanchenko (emstand-V11-01-08)
 - G4UrbanMscModel - optimisation of the code without any change of the 
     results (L. Urban)
 
 ## 2023-03-05 V.Ivanchenko (emstand-V11-01-07)
 - G4CoulombScattering - fixed typo
 - G4PAIModel, G4PAIPhotModel, G4PAIModelData, G4PAIPhotData, G4PAIxSection,
   G4PAIySection - fixed problem in tests and code clean-up 
 
 ## 2023-03-04 V.Ivanchenko (emstand-V11-01-06)
 - G4CoulombScattering - added extra constructor to address all existing 
     cases, for pure single scattering integral method type is changed 
     from fOnePeak to fEmDecreasing and spline interpolation is used. 
     This is needed for the fix of #2530.
 
 ## 2023-02-24 V.Ivanchenko (emstand-V11-01-05)
 - G4WentzelOKandVIxSection - fix numeric instability for the extreme case of 
     very small kinetic energy (< 1 eV)
 
 ## 2023-02-21 V.Ivanchenko (emstand-V11-01-04)
 - G4WentzelOKandVIxSection - fix #2530, improved comments
 - G4CoulombScattering - added constructor with changed signature, which
     used flag "isCombined" instead of process name, improved initialisation
     and comments to the code
 - G4eCoulombScatterinModel - improve initialisation and code comments
 
 ## 2023-02-14 V.Ivanchenko (emstand-V11-01-03)
 - Preparation for the fix of the problem #2530 - fix apply single 
     scattering per region
 - G4UrbanMscModel - check IsLocked() method before definition of 
     lateral displacement algorithm and positron correction;
     improve formatting
 - G4CoulombScattering - added SetCombined(G4bool) method allowing
     user to configuer the process; improve formatting and initialisation
 - G4eCoulombScatterinModel - improve formatting
 
 ## 2023-01-13 V.Ivanchenko (emstand-V11-01-02)
 - G4ESTARStopping, G4GoudsmitSaundersonTable, G4GSPWACorrections, 
   G4GSMottCorrection, G4SeltzerBergerModel, G4SBBremTable, G4IonICRU73Data, 
   G4eDPWAElasticDCS - do not call std::getenv from model classes, instead
     use G4EmParameters, do not check if G4LEDATA environment variable
     defined correctly - this is responsibility of the global utility
 
 ## 2022-12-21 V.Ivanchenko (emstand-V11-01-01)
 - G4GoudsmithSoundersonMscModel - fixed warning when build CMSSW
 
 ## 2022-12-11 V.Ivanchenko (emstand-V11-01-00)
 - G4UrbanMscModel - added flag MscPositronCorrection
 
 ## 2022-11-23 Gabriele Cosmo (emstand-V11-00-21)
 - Fixed more compilation warnings for implicit type conversions.
 
 ## 2022-11-18 Gabriele Cosmo (emstand-V11-00-20)
 - Fixed compilation warnings for implicit type conversions on macOS/XCode 14.1.
 
 ## 2022-11-10 V.Ivanchenko (emstand-V11-00-19)
   Fixed stopping power problem identified by T. Toshita
 - G4IonICRU73Data - fixed stopping power parameterisation below lowest
     energy point; apply unit factor to material vector and not to
     data inside each element vector; include debug printouts protected
     by verbosity; implement data tables for materials and not 
     material-cut-couples; provide non-zero dEdx for ions with Z > 80
 - G4LindhardSorensenIonModel - fixed CorrectionAlongStep() computations
     at low energy
 
 ## 2022-10-18 V.Ivanchenko (emstand-V11-00-18)
 - G4UrbanMscModel - L.Urban remove computation and use of rangecut for
     step limitation; this affect only EM option3 physics making 
     results more close to option4 and there is some CPU advantage
 
 ## 2022-10-18 V.Ivanchenko (emstand-V11-00-17)
 - G4PEEffectFluoModel - implement usage PhotoeffectBelowKShell flag, allowing
     enable/disable photo-electron production below K-shell of an atom;
     by default this is enabled, so effect on results; if it will be disabled
     some CPU improvement may be expected
 - G4BetheBlochModel, G4BraggIonModel, G4LindhardSorensenIonModel -
     use the same computation of effective charge and energy at a step
     inside CorrectionAlongStep(..) method; improved range of ions in the default
     EM physics configuration
 
 ## 2022-10-12 V.Ivanchenko (emstand-V11-00-16)
 - G4hIonisation, G4ionIonisation - updated initialisation to be coherent with
     possible creation of combined DNA/standard Physics List: do not modify
     low energy limit for a model; define high energy limit considering
     high energy limit set in the Physics List and the mass of the particle
 
 ## 2022-10-07 V.Ivanchenko (emstand-V11-00-15)
 - G4AtimaEnergyLossModel, G4BetheBlochModel, G4BraggIonModel,
   G4LindhardSorensenIonModel - do not set effective charge to the model
     of energy loss fluctuation inside CorrectionAlongStep(...) method,
     it is done by G4VEnergyLossProcess, this addresses problem #2495
 
 ## 2022-08-16 V.Ivanchenko (emstand-V11-00-14)
 - G4UrbanMscModel - L.Urban optimized the code keeping algorithms unchaged
 
 ## 2022-05-24 V.Ivanchenko (emstand-V11-00-13)
 - G4EmStandUtil - new utility class
 - G4eIonisation, G4hIonisation, G4ionIonisation - added selection of the model
     of energy loss fluctuations using G4EmStandUtil
 
 ## 2022-05-24 V.Ivanchenko (emstand-V11-00-12)
 - G4UrbanMscModel - L. Urban extended cache data with 5 variables for positrons,
     removed used headers, minor saving of instructions, results should be unchanged
 - G4eBremsstrahlungRelModel, G4eBremParametrizedModel - cosmetic changes
 
 ## 2022-04-29 Daren Sawkey (emstand-V11-00-11)
 - many files: run clang-tidy. Use keywords nullptr, default, auto; removed unneeded
   nullptr checks when delete-ing
 
 ## 2022-04-25 Ben Morgan (emstand-V11-00-10)
 - Add missing dependencies
 
 ## 2022-04-14 V.Ivanchenko (emstand-V11-00-09)
 - G4UrbanMscModel - L.Urban move safety computation before
     step limitation algorithms in order to save few instructions,
     which should not affect results; comments to the code are improved
 - G4eBremsstrahlungRelModel, G4PairProductionRelModel - added headers 
     of G4Exp, G4Pow to source
 - G4WentzelVIRelModel, G4WentzelOKandVIxSection, G4LindhardSorensenIonModel,
   G4ICRU49NuclearStoppingModel - use G4AutoLock
 - G4PairProductionRelModel, G4eBremsstrahlungRelModel - added G4Log, 
     G4Exp headers
 - G4BetheHeitler5DModel - do not instantiate G4MuonPlus, G4MuonMinus
     inside the model to allow usage of this class in physics lists 
     without muons
 
 ## 2022-04-07 V.Ivanchenko (emstand-V11-00-08)
 - G4hIonisation - improved initialisation
 
 ## 2022-03-24 V.Ivanchenko (emstand-V11-00-07)
 - G4eBremsstrahlung - improved initialisation
 
 ## 2022-03-07 V.Ivanchenko (emstand-V11-00-06)
 - G4UrbanMscModel - L.Urban added two extra class members
 
 ## 2022-03-04 V.Ivanchenko (emstand-V11-00-05)
 - G4UniversalFluctuation - removed unnecessary "if"
 
 ## 2022-02-18 V.Ivanchenko (emstand-V11-00-04)
 - G4UniversalFluctuation, G4UrbanFluctuation - L.Urban use the same fw=4 and a0=42
     parameters of the model providing similar results for small steps or thin 
     layers to Geant4 10.7 version of fluctuations (fixed #2466) 
 
 ## 2022-02-14 V.Ivanchenko (emstand-V11-00-03)
 - G4UrbanMscModel - minor optimisation of arithmetic
 - G4UniversalFluctuation - introduced a new protected method SampleGlandz(..),
     which provides sampling of non-Gauss fluctuations; improved arithmetic;
     results are identical to the version of the release 11.0 
 - G4UrbanFluctuation - reorganized version of fluctuation model from
     Geant4 10.7 in SampleGlandz(...) method
 - G4LossFluctuationDummy - new class with zero fluctuations
 
 ## 2022-01-24 V.Ivanchenko (emstand-V11-00-02)
 - G4UrbanMscModel - removed multiple initialisation of the cache data structure and
     possible data race
 
 ## 2022-01-08 V.Ivanchenko (emstand-V11-00-01)
 - G4CoulombScattering - for single scattering used in restriced interval of large
     angles use fEmIncreasing type of cross section shape
 
 ## 2021-12-10 Ben Morgan (emstand-V11-00-00)
 - Change to new Markdown History format
 
 ---
 
 # History entries prior to 11.0
 
 26 November 21: V.Ivanchenko  (emstand-V10-07-28)
 - G4PairProductionRelModel - reduce upper limit of parameterisation x-section 
     from 80 to 30 GeV
 
 09 November 21: V.Ivanchenko  (emstand-V10-07-27)
 - G4ionIonisation - minor clean-up
 - G4IonICRU73Data - new data structure for ion ionisation data
 - G4LindhardSorensenIonModel - use G4BraggIonModel, G4BetheBlochModel 
     and G4IonICRU73Data, do not apply corrections at the last step of 
     an ion
 - G4BraggIonModel, G4BetheBlochModel - do not apply corrections at 
     the last step of an ion
 
 30 October 21: V.Ivanchenko  (emstand-V10-07-26)
 - G4BetheBlochModel, G4BraggIonModel, G4ionIonisation - use ion 
     corrections for all ions except alpha in order to fix #2440
 
 12 October 21: V.Ivanchenko  (emstand-V10-07-25)
 - G4BetheBlochModel, G4BraggIonModel - improved usage of corrections
     to ion dedx, code clean-up
 - G4ionIonisation - use G4WaterStopping with spline enabled
 - G4alphaIonisation - removed as obsolete
 
 07 Octoberber 21: V.Ivanchenko  (emstand-V10-07-24)
 - G4UniversalFluctuations - Laszlo Urban substantially simplified
     sampling algorithm - less number of parameters, faster
     computations, results are in statistical agreement with the 
     previous version of the code
 
 27 September 21: V.Ivanchenko  (emstand-V10-07-23)
 - G4BraggIonModel, G4BetheBlochModel - fixed computation of
     dedx for alpha if ICRU90 data are used (problem #2414);
     improved method signatures; code clean-up.
 - G4hIonisation, G4ionIonisation - He3 dedx derived from alpha dedx;
     pi, K, proton, pbar, GenericIon have own dedx and other tables;
     other hadrons derived from K, protons, pbar; ions derived
     from GenericIon
 - G4ASTARStopping - improved method signatures
 - CoulombScattering - disable spline
 
 31 August 21: J.Hahnfeld (emstand-V10-07-22)
 - G4PEEffectFluoModel - optimize cross section computation with
   reciprocals and Horners scheme
 
 27 August 21: V.Ivanchenko  (emstand-V10-07-21)
 - G4BraggModel, G4BraggIonModel - set lowest energy to 0.25 keV,
     added protection to limit cut value by the lowest energy
 - G4LinhardSorensenIonModel, G4ICRU73QOModel - added protection 
     to limit cut value by the lowest energy
 - G4BetheBlochModel - minor clean-up
 
 26 August 21: V.Ivanchenko  (emstand-V10-07-20)
 - G4BetheBlochModel - critical fix of dEdx for protons and alpha
     with scaled energy E>10 GeV for the case of use ICRU90 data.
     Should fix #2414
 
 20 August 21: V.Ivanchenko  (emstand-V10-07-19)
 - G4PAIModelData - use optimal methods to access G4PhysicsVector
 
 04 August 21: A.Ribon  (emstand-V10-07-18)
 - G4eplusAnnihilation : migrated to the new version of G4PhysicsModelCatalog
 
 18 July 21: V.Ivanchenko  (emstand-V10-07-17)
 - G4UniversalFluctuation, G4IonFluctuations, G4AtomaFluctuations,
   G4PAIModel, G4PAIPhotModel - updated according to change 
     of G4VEmFluctuationModel signature 
 
 16 July 21: V.Ivanchenko  (emstand-V10-07-16)
 - G4UniversalFluctuation - minor optimisation, code clean-up 
 - G4UrbanMscModel - use random arrays instead flat() method
     to speed-up the code; use more const variables
 
 10 July 21: V.Ivanchenko  (emstand-V10-07-15)
 - G4BetheBlochModel, G4ESTARStopping, G4AtimaEnergyLossModel,
   G4LindhardSorensenIonModel - fixed Coverity warnings by 
     initialisation of all variables in class constructors
 - G4UrbanMscModel - do not apply energy correction at small 
     steps below 1% of a particle range
 
 24 May 21: J.Allison  (emstand-V10-07-14)
 - G4eplusAnnihilation.cc:
   o Instantiate clip board only if Quantum Entanglement is requested.
 
 23 May 21: V.Ivanchenko  (emstand-V10-07-13)
 - G4PAIModelData, G4eplusTo2GammaOKVIModel - corrected 
     initialisation of physics vectors spline
 
 15 May 21: V.Ivanchenko  (emstand-V10-07-12)
 - G4CoulombScattering, G4eBremsstrahlung, G4eplusAnnihilation -
   updated set of flags for spline and the integral approach
 
 10 May 21: V.Ivanchenko  (emstand-V10-07-11)
 - G4BetheBlochModel - minor cleanup - more const variables 
 - G4LindhardSorensenData - updated definition of spline
 
 16 April 21: B.Morgan (emstand-V10-07-10)
 - Migrate build to modular CMake API
 
 02 May 21: J.Allison  (emstand-V10-07-09)
 - G4eplusAnnihilation:
   o Introduce Quantum Entanglement. This is activated by
       /process/em/QuantumEntanglement.
   o For e+e- -> gamma gamma, the gammas are "tagged" here and must be
     "analysed" in a Compton scattering process - see, for example,
     G4LivermorePolarizedComptonModel. Otherwise entanglement has no
     effect even if activated.
   o Add data member:  G4int fEntanglementModelIndex;
     Entanglement uses AuxiliaryTrackInformation, so we need to pick up a
     unique model index. In the constructor:
       fEntanglementModelIndex
       = G4PhysicsModelCatalog::Register("G4GammaGammaEntanglement");
     Then in AtRestDoIt:
       t->SetAuxiliaryTrackInformation
       (fEntanglementModelIndex,new G4EntanglementAuxInfo(clipBoard));
 
 28 April 21: V.Ivanchenko  (emstand-V10-07-08)
 - G4BetheBlochModel, G4BraggIonModel, G4LindhardSorensenIonModel,
   G4ICRU73QOModel, G4AtimaIonIonisationModel - changed interface
     to ion ionisation corrections
 
 24 April 21: V.Ivanchenko  (emstand-V10-07-07)
 - clean-up models for 11.0
 
 18 April 21: V.Ivanchenko  (emstand-V10-07-06)
 - clean-up models for 11.0
 
 10 April 21: V.Ivanchenko  (emstand-V10-07-05)
 - clean-up energy loss models for 11.0
 
 03 April 21: V.Ivanchenko  (emstand-V10-07-04)
 - clean-up models for 11.0
 
 30 March 21: V.Ivanchenko  (emstand-V10-07-03)
 - clean-up ionisation processes
 
 18 March 21: V.Ivanchenko  (emstand-V10-07-02)
 - clean-up gamma processes
 
 08 February 21: V.Ivanchenko  (emstand-V10-07-01)
 - G4BohrFuluctuations, G4HeatedKleinNishinaCompton are removed
 
 26 January 21:  V.Ivanchenko  (emstand-V10-07-00)
 - G4BetheBlochModel, G4LindhardSorensenIonModel - fixed problem #2312,
     restore computation of maximum energy transfer from Geant4 10.4,
     affect only ultrarelativistic ions
 
 11 November 20:  V.Ivanchenko  (emstand-V10-06-19)
 - G4UrbanMscModel - restored parameterisation of step limit to
     the variant of emstand-V10-06-13
 
 10 November 20:  V.Ivanchenko (emstand-V10-06-18)
 - G4SauterGavrilaAngularDistribution, G4DeltaAngle - code clean-up
 
 01 November 20:  V.Ivanchenko (emstand-V10-06-17)
 - G4eplusTo3GammaOKVIModel, G4LindhardSorensenIonModel - fixed
   Coverity reports
 
 11 October 20:  V.Ivanchenko  (emstand-V10-06-16)
 - G4UrbanMscModel - L.Urban optimized parameterisation of limit
     on distance for e+- step
 
 02 September 20:  V.Ivanchenko  (emstand-V10-06-15)
 - G4UrbanMscModel - L.Urban changed computation of tlimit in
     the step limitation algorithm "UseDistanceToBoundary", only
     Opt3 EM physics is affected
 
 29 August 20:  V.Ivanchenko   (emstand-V10-06-14)
 - G4ICRU49NuclearStoppingModel, G4WentzelOKandVIxSection,
   G4WentzelVIRelModel, G4SeltzerBergerModel,
   G4LindhardSorensenIonModel.hh - improved usage of Mutex lock -
     it is defined inside one method with call to any other method;
     standard deletion of copy consructor and asignment operator
 
 21 July 20:  V.Ivanchenko     (emstand-V10-06-13)
 - G4UrbanMscModel - L.Urban changed parameterisation of backscattering
     parameter 'doverra'
 
 02 July 20: M. Novak          (emstand-V10-06-12)
 - G4eDPWAElasticDCS - a new class that handles the numerical Differential Cross
    Sections(DCS) for Coulomb scattering of e-/e+, computed by Dirac Partial Wave
    Analysis(DPWA) using ELSEPA
 - G4eDPWACoulombScatteringModel - as new class that implements single Coulomb
    scattering model for e-/e+ based on the numerical DCS provided by the above
    G4eDPWAElasticDCS class
 
 15 May 20:  V.Ivanchenko      (emstand-V10-06-11)
 - G4UrbanMscModel - added e- range cut to the cache data structure; minor
     improvement of the code
 - G4UniversalFluctuation - set value for a0 = 42 after optimisations
 
 29 April 20: Gunter Folger    (emstand-V10-06-10)
 - fix for clang10: G4PAIPhotModel.hh, G4PAIModel.hh : mark class final
 
 26 April 20:  V.Ivanchenko    (emstand-V10-06-09)
 - G4UrbanMscModel - L.Urban improved cache data structure
 
 22 April 20:  V.Ivanchenko    (emstand-V10-06-08)
 - G4LindhardSorensenData - fixed data table
 
 07 April 20:  V.Ivanchenko    (emstand-V10-06-07)
 - G4UniversalFluctuation - 10.6 value for a0=50 is returned, because
     test results with the previous tag does not improve all thin target tests
 - G4eeToTwoGammaModel - code clean-up; added static flag, which identifies if
     electron motion is taken into account for sampling of acolliniarity,
     when annihilation is happen at rest; the model was introduced previously
     by John Allison, here we ensure, that by default no extra computation
     is performed; also removed extra printout at initialisation and extra
     data structure
 
 02 April 20:  V.Ivanchenko    (emstand-V10-06-06)
 - G4UniversalFluctuation - L.Urban propose to change a0 from
     50 to 40 in order to improve agreement with silicon data;
     minor C++ improvements are added in order to speed-up the code
 
 25 March 20:  V.Ivanchenko    (emstand-V10-06-05)
 - G4UniversalFluctuation - L.Urban propose to change nmaxCont from
     16 to 8 in order to speed-up simulation
 - G4BetheHeitler5DModel - Li Zhuxin change  "final"  keyword by "override"
     for virtual methods
 
 23 March 20:  J.Allison       (emstand-V10-06-04)
 - G4eeToTwoGammaModel - introduce thermal model of positronium decay to two gammas:
   o In this model, the positronium acquires a mean kinetic energy
     on formation, which contributes to a small non-collinearity of
     the gammas, detectable and significant in PET. To activate this
     model, material->GetIonisation()->SetMeanEnergyPerIonPair(meanKE).
     A mean kinetic energy of 5 eV produces a projected acollinearity
     of about 0.5 degrees FWHM, as reported in K.Shibuya et al.,
     IFMBE Proceedings Vol. 14/3 1667 (2007).
 
 09 March 20:  V.Ivanchenko    (emstand-V10-06-03)
 - G4eplusAnnihilation - fixed problem seen in the rare case, when
     initial energy is null
 
 03 March 20:  V.Ivanchenko    (emstand-V10-06-02)
 - G4UrbanMscModel - removed Cache and introduced data struct
     precomputed at initialisation
 
 25 February 20:  V.Ivanchenko (emstand-V10-06-01)
 - G4UrbanMscModel - L.Urban changed tlimitmin computation for e-
     (for e+ kept unchanged) and changed parameterisation
     of stepmin; two private inline methods are added to reduce
     duplication of the code
 
 07 December 19:  V.Ivanchenko (emstand-V10-06-00)
 - G4BetheHeitler5DModel - added protection against negative
     argument of sqrt() due to precision lost
 
 06 November 19:  V.Ivanchenko (emstand-V10-05-26)
 - G4ESTARStopping, G4GSMottCorrection, G4GSPWACorrections,
   G4GoudsmitSaundersonTable, G4SBBremTable, G4SeltzerBergerModel
     minor cleanup: getenv -> std::getenv, use G4Element::GetZasInt()
 
 05 November 19:  V.Ivanchenko (emstand-V10-05-25)
 - G4UrbanMscModel - fixed problem introduced in emstand-V10-05-22
     which affect Opt3 EM physics
 
 31 October 19:  V.Ivanchenko (emstand-V10-05-24)
 - G4SeltzerBergerModel, G4ICRU49NuclearStoppingModel - cosmetic
     modifications - more safe initialisation in the MT mode
 
 24 October 19:  I.Semeniouk (emstand-V10-05-23)
 - G4BetheHeitler5DModel - new parameters set for muon (30% speed up),
     nuclear threshold calculation.
 
 23 October 19:  V.Ivanchenko (emstand-V10-05-22)
 - G4UrbanMscModel - (L.Urban) minor cleanup, should not affect results
 
 18 October 19: I.Semeniouk (emstand-V10-05-21)
 - G4BetheHeitler5DModel Add gamma conversion to mu+ mu- mode
 
 16 October 19: D.Sawkey (emstand-V10-05-20)
 - G4eplusAnnihilation: set secondary weight correctly using bias manager.
 
 1 October 19:  V.Ivanchenko (emstand-V10-05-19)
 - G4UrbanMscModel, G4GoudsmitSaundersonMscModel, G4WentzelVIModel -
     use lambdalimit and facsafety from the base class G4VMscModel
 
 2 September 19:  M.Novak (emstand-V10-05-18)
 - G4PairProductionRelModel, G4GammaConversion - The high energy model for e-/e+
     pair production has been extended down to threshold (2mc^2) such that it
     gives results (both x-section and final state) identical to those produced
     by the low energy (G4BetheHeitlerModel). Since this new version of the
     high energy model can describe e-/e+ pair production from threshold up to
     PeV (LPM effects are included) the G4BetheHeitlerModel was removed from the
     G4GammaConversion process.
 
 29 August 19:  V.Ivanchenko (emstand-V10-05-17)
 - G4UrbanMscModel - L.Urban modified step limit parameters:
     lambdalimit to 0.5 mm; facsafety to 0.67.
 
 24 August 19:  V.Ivanchenko (emstand-V10-05-16)
 - G4UrbanMscModel - L.Urban modified step limit parameters:
     lambdalimit from 1 mm to 0.4 mm; facsafety from 0.6 to 0.7.
 - G4WentzelOKadriVIxSection, G4WentzelVIModel - return previous
     parameterisation of screening parameter
 
 14 August 19:  V.Ivanchenko (emstand-V10-05-15)
 - G4hCoulombScatteringModel, G4hCoulombScatteringModel - removed
     unused headers
 
 25 July 19:  V.Ivanchenko (emstand-V10-05-14)
 - G4SeltzerBergerModel - during initialisation data files uploaded
     only data for elements used in geometry, lazy initialisation
     of the data is also available (may be used in unit tests)
 
 20 July 19:  V.Ivanchenko (emstand-V10-05-13)
 - G4WentzelOKandVIxSection - modified parameterisation of screening
     parameter for e+-, which affect backscattering at low energies
     making results closer to data
 - G4ScreeningMottCrossSection, G4eSingleCoulombScatteringModel
     optimized code and data structure; fixed floating point exception
     for low energy; use C++11 patterns
 
 28 May 19:  V.Ivanchenko (emstand-V10-05-12)
 - G4UrbanMscModel - L.Urban modified lateral displacement sampling
 
 14 May 19:  V.Ivanchenko (emstand-V10-05-11)
 - G4ScreeningMottCrossSection, G4KleinNishinaModel, G4SeltzerBergerModel,
   G4eSingleCoulombScatteringModel - use element->GetZasInt() interface
     in order to reduce number of double->int conversions in run time
 
 10 April 19: I.Semeniouk (emstand-V10-05-10)
 - G4BetheHeitler5DModel - replace local boost and rotation functions with
   CLHEP boost, boostZ, transform. One random generator flatArray call in
   sampling loop.
 
 09 April 19:  V.Ivanchenko (emstand-V10-05-09)
 - G4IonCoulombScatteringModel, G4eSingleCoulombScatteringModel,
   G4hCoulombScatteringModel - fixed kinematics for low kinetic energy
   of primary (problem #2152)
 
 01 April 19: V.Ivanchenko (emstand-V10-05-08)
 - G4eCoulombScatteringModel, G4WentzelOKandVIxSection - cleanup debug cout
   and initialisation
 
 17 March 19: M.Novak (emstand-V10-05-07)
 - G4BetheHeitler5DModel, G4BetheHeitlerModel, G4IonCoulombScatteringModel,
   G4PAIModel, G4PAIPhotModel, G4PairProductionRelModel, G4SeltzerBergerModel,
   G4XrayRayleighModel, G4eBremParametrizedModel, G4eBremsstrahlungRelModel,
   G4eCoulombScatteringModel, G4eSingleCoulombScatteringModel - make use of the
   new target atom selector (emutils-V10-05-07) that can reuse the already known
   log-energy value.
 
 17 March 19: M.Novak (emstand-V10-05-06)
 - G4UrbanMscModel, G4WentzelVIModel, G4GoudsmitSaundersonMscModel - make use of
   the new base class methods (emutils-V10-05-06), utilising the already known
   log-energy value, in case of dEdx, range and transport mean free path log -
   vector table accesses.
 
 04 March 19:  V.Ivanchenko (emstand-V10-05-05)
 - G4UrbanMscModel - L.Urban optimise step limitation for UseSafetyPlus
     and UseDistanceToBoundary; minor clean-up of step limit method
 
 01 March 19:  V.Ivanchenko (emstand-V10-05-04)
 - G4BetheBlochModel - code clean-up, removed tabs, some empty lines
 
 27 February 19:  I.Semeniouk (emstand-V10-05-03)
 - G4BetheHeitler5DModel - commint assert on negative bp1
 - G4BetheHeitler5DModel - set x,y components in BoostG4LorentzVector
     method
 
 07 February 19:  V.Ivanchenko (emstand-V10-05-02)
 - G4eMultipleSacttering, G4hMultipleScattering - reduced
     length of printouts (fix problem #2105)
 
 31 January 19:  V.Ivanchenko (emstand-V10-05-01)
 - G4ModifiedTsai, G4SauterGavrilaAngularDistribution - reduced
     length of names for these generators (fix problem #2105)
 
 15 January 19:  V.Ivanchenko (emstand-V10-05-00)
 - G4eplusTo2GammaOKVIModel - fixed crash at initialisation
 
 26 November 18:  V.Ivanchenko (emstand-V10-04-54)
 - G4WentzelOKandVIxSection - fixed destructor
 
 23 November 18:  V.Ivanchenko (emstand-V10-04-53)
 - G4eplusTo2GammaOKVIModel - fixed trivial Coverity warning
 
 07 November 18:  V.Ivanchenko (emstand-V10-04-52)
 - G4BetheHeitler5DModel - (I.Semeniouk) added protection to boost
     computation responsible for numerical problem
 
 05 November 18:  V.Ivanchenko (emstand-V10-04-51)
 - G4eplusTo2GammaOKVIModel, G4eplusTo3GammaOKVIModel - make consistent
     definition of cross section for 2-gamma and 3-gamma models, use
     cuts for gamma in sampling of 3-gamma final state
 
 02 November 18:  V.Ivanchenko (emstand-V10-04-50)
 - G4SeltzerBergerModel, G4eBremsstrahlungRelModel - use by default
     G4ModifiedTsai generator instead of G4DipBustGenerator
 
 26 October 18:  V.Ivanchenko (emstand-V10-04-49)
 - G4BetheHeitler5DModel - (I.Semeniouk) cleaned up comments
 
 24 October 18:  V.Ivanchenko (emstand-V10-04-48)
 - G4BetheBlochModel, G4BraggIonModel - fixed usage of ICRU90 data
 
 16 October 18: D.Sawkey (emstand-V10-04-47)
 - G4eplusAnnihilation: set weights for directional splitting
 
 10 October 18:  V.Ivanchenko (emstand-V10-04-46)
 - G4UrbanMscModel - L.Urban added correction to get better
     backscattering at low energy
 - G4LindhardSorensenData, G4LindhardSorensenIonModel - correction
     of dEdx computation
 
 09 October 18: V.Ivanchenko (emstand-V10-04-45)
 - G4eplusAnnihilation - back to emstand-V10-04-42
 
 09 October 18: J.L. Rodriguez-Sanchez (emstand-V10-04-44)
 - G4AtimaEnergyLossModel, G4AtimaFluctuations - fixed some errors
   and added some cosmetic modifications
 
 02 October 18: D.Sawkey (emstand-V10-04-43)
 - G4eplusAnnihilation - enable directional splitting
 
 01 October 18: V.Ivanchenko (emstand-V10-04-42)
 - G4BraggModel, G4BraggIonModel - minor optimisation
 - G4LindhardSorensenData - limit parameterisation to interval
     of validity
 
 27 September 18: V.Ivanchenko (emstand-V10-04-41)
 - G4BraggModel, G4BraggIonModel, G4BetheBlochModel - added
     optional possibility to use ICRU90 data
 - G4LindhardSorensenData - fixed interpolation of corrections for
     large energies
 - G4LindhardSorensenIonModel, G4PSTARStopping - minor cleanup
 
 21 September 18: V.Ivanchenko (emstand-V10-04-40)
 - G4GammaConversion, G4eBremsstrahlung, G4hIonisation - use upper
     energy limit for low-energy model from PhysicsList instead of
     hard-coding values
 - G4ionIonisation - apply correction to energy loss only to BetheBloch
     ionisation model
 - G4ComptonScattering, G4PhotoElectricEffect, G4eIonisation,
   G4eplusAnnihilation, G4BetheBlochModel - improved comments
 
 17 September 18: D. Sawkey (emstand-V10-04-39)
 - G4CoulombScattering, G4eBremsstrahlung, G4[e,h]MultipleScattering,
   G4eplusAnnihilation, G4[e,h,ion,alpha]Ionisation, G4ComptonScattering,
   G4NuclearStopping, G4PhotoElectricEffect,
   : change auto-generated documentation format to rST
 
 14 September 18: V.Ivanchenko (emstand-V10-04-38)
 - G4eSingleCoulombScatteringModel - fixed problem #2090
 
 31 August 18: V.Ivanchenko (emstand-V10-04-37)
 - G4LindhardSorensenIonModel - fixed numerical problem in computation
     of correction
 
 29 August 18: L.Urban (emstand-V10-04-36)
 - G4UrbanMscModel - correction in order to get better backscattering
    for low energy
 
 17 August 18: V.Ivanchenko (emstand-V10-04-35)
 - G4ScreeningMottCrossSection, G4eSingleCoulombScatteringModel - added
     extra protections on argument of std::acos avoiding crash due to
     precision lost; clean-up and formats of code; one run time method
     is moved inlined; initialisation methods are moved to the source
 
 17 August 18: V.Ivanchenko (emstand-V10-04-34)
 17 August 18: V.Ivanchenko (emstand-V10-04-33)
 - G4MottCoefficients class is removed because big inefficiency was reported
     by Grigory Latyshev
 - G4MottData.hh static data file is created instead
 - G4ScreeningMottCrossSection - use G4MottData and improved time consuming
   computations
 
 12 August 18: M. Novak (emstand-V10-04-32)
 - G4SBBremTable - fixed compiler warning
 - G4eBremssrahlungRelModel, G4PairProductionRelModel - fixed possible out-of-
    bound vector access introduced in the previous tag.
 - G4SeltzerBergerModel - added extra protections for data per Z access
 
 10 August 18: M. Novak (emstand-V10-04-31)
 - G4DipBustGenerator - optimisation, speedup: using G4Pow::A13
 - G4SeltzerBergerModel - extended model with optional sampling tables for fast
   run time sampling of the emitted photon energy from the Seltzer-Berger scalled
   DCS instead of using the rejection. The sampling tables are hadled by the new
   G4SBBremTable class. There is a 40-60 % model speedup with some additional
   memory consumption.
 - G4eBremsstrahlungRelModel - improved LPM function approximation, code cleanup
   and optimization.
 
 27 July 18: V.Ivanchenko (emstand-V10-04-30)
 - G4BetheHeitler5DModel - (I.Semeniouk) inverted CDF for X generation,
   code cleanup; bug fix: Polarization vector not normalized in coordinate
   transformation; removed empty lines
 - G4BetheHeitlerModel, G4PairProductionRelModel - removed empty lines
 
 25 June 18: V.Ivanchenko (emstand-V10-04-29)
 - G4LindhardSorensenData - fixed Coverity warnings on read beyond
     the array boundary
 
 15 June 18: V.Ivanchenko (emstand-V10-04-28)
 - G4AtimaEnergyLossModel, G4LindhardSorensenData - fixed Coverity warnings
     on read/write out of the array boundary
 
 11 June 18: M.Novak (emstand-V10-04-27)
 - G4PairProductionRelModel, G4BetheHeitler5DModel - fixed computation of cross
   section in the new version of the high energy model. Fixed triplet production
   below treshold in the 5D model by I. Semeniouk.
 
 11 June 18: V.Ivanchenko (emstand-V10-04-26)
 - G4AtimaEnergyLossModel, G4AtimaFluctuations - fixed data handling in the
   new ion ionisation, which were identified by Coverity code analysis
 
 04 June 18: M. Novak (emstand-V10-04-25)
 - G4BetheHeitler5DModel - optimization of the final state sampling (M. Novak)
 
 28 May 18: M. Novak (emstand-V10-04-24)
 - G4GoudsmitSaundersonTable - fix gcc-8 warnings regarding.
 
 28 May 18: M. Novak (emstand-V10-04-23)
 - G4BetheHeitlerModel, G4PairProductionRelModel, G4BetheHeitler5DModel - new
     versions of G4BetheHeitlerModel, G4PairProductionRelModel with improved
     screening function approximation, improved LPM function apporximation,
     efficiency, documentation and cleanup. Corrected call to selecting target
     atom in final state sampling. Follow up changes in the derived
     G4BetheHeitler5DModel.
 
 23 May 18: V.Ivanchenko (emstand-V10-04-22)
 - G4BetheHeitlerModel - use G4ModifiedTsai angular generator
 
 22 May 18: V.Ivanchenko (emstand-V10-04-21)
 - G4DipBustGenerator, G4ModifiedTsai - implement new interface for
     directions of e+e- pair
 - G4PairProductionRelModel - use G4ModifiedTsai angular generator
 - G4BetheHeitlerModel - use G4DipBustGenerator angular generator
 - G4UrbanMscModel - use more fast lateral displacement by default
 
 04 May 18: V.Ivanchenko (emstand-V10-04-20)
 - G4AtimaEnergyLossModel, G4AtimaFluctuations - new ion ionisation
     model developed by J.L.R. Sanchez
 - G4WentzelOKandVIxSection - improved Mott corrections to e+-
 - G4LindhardSorensenData - fixed Coverity warning
 
 02 May 18: V.Ivanchenko (emstand-V10-04-17)
 - G4ScreeningMottCrossSection - added extra method for more effective
     computation of the Mott correction
 - G4WentzelOKandVIxSection - added Mott corrections to e+-
 - G4NISTStoppingData - cleanup header
 
 24 April 18: V.Ivanchenko (emstand-V10-04-16)
 - G4LindhardSorensenIonModel,G4LindhardSorensenData - new relativistic ion
     ionisation model
 - G4BetheBlochModel - minor cleanup
 
 18 April 18: V.Ivanchenko (emstand-V10-04-15)
 - G4LindhardSorensenIonModel - new ion ionisation model
 - G4UrbanMscModel - use second type of parameterisation in all EM physics
 - G4BetheHeitler5DModel - D.Bernard added detailed description of the model
 
 05 April 18: V.Ivanchenko (emstand-V10-04-14)
 - G4BetheHeitler5DModel - fixed Coverity warning
 
 01 April 18: V.Ivanchenko (emstand-V10-04-13)
 - G4eplusAnnihilation - moved sampling of final state from AtRestDoIt()
     method to the SamplingSecondaries() model of a model
 - G4eeToTwoGammaModel - cleanup
 - G4eplusTo2GammaOKVIModel, G4eplusTo3GammaOKVIModel - new models
 
 23 March 18: V.Ivanchenko (emstand-V10-04-12)
 - G4BetheHeitlerModel, G4BetheHeitler5DModel - Igor Semeniouk cleanup the code
 
 07 March 18: V.Ivanchenko (emstand-V10-04-11)
 07 March 18: V.Ivanchenko (emstand-V10-04-09)
 - G4BetheBlochModel - fixed non-reproducibility introduced in early tag
 
 05 March 18: V.Ivanchenko (emstand-V10-04-08)
 05 March 18: V.Ivanchenko (emstand-V10-04-05)
 - G4UrbanMscModel - (L.Urban) new lateral displacement algorithm
 - G4BetheHeitlerModel, G4BetheHeitler5DModel - Igor Semeniouk and Denis Bernard
     added new 5D model
 
 09 February 18: V.Ivanchenko (emstand-V10-04-04)
 - G4eBremsstrahlungRelModel, G4PairProductionRelModel, G4PAIySection,
   G4PAIxSection, G4ICRU73QOModel - inline method which use static constants
     are moved to source, improved formatting of the code
 
 02 February 18: M.Novak (emstand-V10-04-03)
 - G4GoudsmitSaundersonMscModel - implemented interface method for macroscopic
   1st trans. x-section computation CrossSectionPerVolume (used only for testing)
 - G4GSMottCorrection, G4GSPWACorrections - fixed initialization of 1st moment
   correction factor
 
 21 December 17: V.Ivanchenko (emstand-V10-04-02)
 - G4WentzelOKandVIxSection - fixed formfactor for proton
 - G4BetheBlochModel - use formfactor for projectile ion in
   formulation of NIM A 488 (2002) 282; this is needed further
   evalution, so the tag is not proposed
 
 09 December 17: V.Ivanchenko (emstand-V10-04-01)
 - G4PairProductionRelModel - fixed misuse of G4Pow (A13(..) should
     be used instead of Z13(..)), add initialisation of an element
     cache before sampling of final state (partly fix problem #2017)
 
 08 November 17: D.Sawkey (emstand-V10-03-51)
 - G4CoulombScattering, G4eMultipleScattering, G4hMultipleScattering
     modify ProcessDescription text
 
 06 November 17: M.Novak (emstand-V10-03-50)
 - G4GoudsmitSaundersonTable - fix scattering power correction table
 
 03 November 17: V.Ivanchenko (emstand-V10-03-49)
 - G4UrbanMscModel - renamed displacementFlag to dispAlg96, if its
     value "true" then the old lateral displacment algorithm is used,
     else a new one is applied. This change was needed to avoid
     missunderstanding of the flag effect
 
 02 November 17: V.Ivanchenko (emstand-V10-03-48)
 - G4CoulombScattering - improved printout
 
 31 October 17: D.Sawkey (emstand-V10-03-47)
 - all process files: G4ComptonScattering, G4CoulombScattering,
    G4GammaConversion, G4NuclearStopping, G4PhotoElectricEffect,
    G4alphaIonisation, G4eBremsstrahlung, G4eIonisation,
    G4eMultipleScattering, G4eplusAnnihilation, G4hIonisation,
    G4hMultipleScattering, G4ionIonisation: modify ProcessDescription
 
 30 October 17: M.Novak (emstand-V10-03-46)
 - G4GSPWACorrections - fix data read problem
 
 30 October 17: M.Novak (emstand-V10-03-45)
 - G4GoudsmitSaundersonMscModel, G4GoudsmitSaundersonTable,
   G4GSMottCorrection, G4GSPWACorrections, G4PWATotalXsecTable
     - new form of PWA corrections in the GS MSC model that is
       active now both for e- and e+ (the G4PWATotalXsecTable
       class is replaced with G4GSPWACorrections)
     - improved scattering power correction computation in case
       Mott-correction
     - changed MSC step limit flag conventions in the GS model
 
 25 October 17: V.Ivanchenko (emstand-V10-03-44)
 - G4NuclearStopping - use activation limit for energy per nucleon
 
 19 October 17: D.Sawkey (emstand-V10-03-43)
 - G4alphaIonisation, G4ComptonScattering, G4CoulombScattering,
   G4eBremsstrahlung, G4eIonisation, G4eMultipleScattering,
   G4ePlusAnnihilation, G4GammaConversion, G4hIonisation,
   G4hMultipleScattering, G4ionIonisation, G4NuclearStopping,
   G4PhotoElectricEffect: add dummy ProcessDescription
 
 16 October 17: V.Ivanchenko (emstand-V10-03-42)
 - G4BetheHeitlerModel, G4PairProductionRelModel - use G4Pow in both
     classes instead of G4NistManager for fast math computations
 
 12 October 17: V.Ivanchenko (emstand-V10-03-41)
 - G4CoulombScattering, G4eBremsstrahlung, G4eMultipleScattering,
   G4hMultipleScattering, G4eplusAnnihilation, G4ionIonisation
     switched from ProcessDescription to StreamProcessInfo
 
 11 October 17: V.Ivanchenko (emstand-V10-03-40)
 - G4NuclearStopping - fixed initialisation
 - G4CoulombScattering - improved initialisation printout
 
 10 October 17: V.Ivanchenko (emstand-V10-03-39)
 - G4UrbanMscModel - use flag of lateral displacement algorithm,
     cleanup inline methods
 
 09 October 17: V.Ivanchenko (emstand-V10-03-38)
 - G4ICRU49NuclearStoppingModel, G4PAIxSection, G4PEEffectFluoModel,
   G4alphaIonisation, G4UrbanMscModel - fabs substituted by std::abs
   G4UrbanMscModel - minor cleanup of the code
 
 27 September 17: L.Urban (emstand-V10-03-36)
 - G4UniversalFluctuation - added correction for small cuts
 
 22 September 17: M.Novak (emstand-V10-03-35)
 - G4GoudsmitSaundersonMscModel, G4GoudsmitSaundersonTable,
   G4GSMottCorrection - further improvments to GS Mott-correction.
 
 20 September 17: V.Ivanchenko (emstand-V10-03-34)
 - G4UniversalFluctuation2017 - removed temporary class
 - G4PAIModel. G4PAIPhotModel - MinEnergyCut() is set to 12.5 eV, because
     of results of D. Pfeiffer study of gaseous detector simulations
 
 18 September 17: V.Ivanchenko (emstand-V10-03-33)
 - G4UniversalFluctuation - improved sampling for thin layers
 
 16 September 17: V.Ivanchenko (emstand-V10-03-30)
 - G4UniversalFluctuation - L.Urban added an extra parameter in the model
 
 28 August 17: G,Cosmo (emstand-V10-03-29)
 - Correction to GNUmakefile to add optional include path to internal zlib
   module.
 
 27 August 17: M.Novak (emstand-V10-03-28)
 - G4GSMottCorrection - remove forgotten debug printout.
 
 27 August 17: M.Novak (emstand-V10-03-27)
 - G4GSMottCorrection - fix element symbol problem in file names.
 
 25 August 17: M.Novak (emstand-V10-03-26)
 - G4GoudsmitSaundersonMscModel, G4GoudsmitSaundersonTable - added
     option to apply Mott-correction to the default GS model. The
     new class G4GSMottCorrection handles the Mott-correction to the
     angular distributions as well as correction factors to elastic,
     mfp, first and second moments.
 
 24 August 17: V.Ivanchenko (emstand-V10-03-25)
 - G4PAIModel. G4PAIPhotModel - added implementation of virtual
     method MinEnergyCut(..), always return 25 eV, because PAI models
     does not applicable for smaller energy transfers
 
 10 August 17: V.Ivanchenko (emstand-V10-03-24)
 - G4hIonisation - fixed energy intervals per EM model for superheavy
     particles
 
 03 August 17: V.Ivanchenko (emstand-V10-03-23)
 - G4MottCoefficients, G4ScreeningMottCrossSection,
   G4eSingleCoulombScatteringModel - Mauro Tacconi updated the model
     making as fast as the default single scattering
 - G4ComptonScattering, G4CoulombScattering, G4GammaConversion,
   G4PhotoElectricEffect, G4WentzelOKandVIxSection, G4WentzelVIModel,
   G4alphaIonisation, G4eIonisation, G4hIonisation, G4ionIonisation,
   G4eBremsstrahlung, G4eMultipleScattering, G4hMultipleScattering
     make coherent model initialisation
 
 16 June 17: V.Ivanchenko (emstand-V10-03-22)
 - G4eCoulombScatteringModel, G4WentzelVIModel,
   G4hCoulombScatteringModel - fixed problem of computation
     of cross section introduced in emstand-V10-03-11
 
 15 June 17: V.Ivanchenko (emstand-V10-03-21)
 - G4UniversalFluctuation - restore emstand-V10-03-20
 
 12 June 17: V.Ivanchenko (emstand-V10-03-21)
 - G4UniversalFluctuation - copied from G4UniversalFluctuation2017
 
 09 June 17: V.Ivanchenko (emstand-V10-03-20)
 - G4UniversalFluctuation2017 - fixed rare division by zero
 
 09 June 17: V.Ivanchenko (emstand-V10-03-19)
 - G4WentzelOKandVIxSection - fixed trivial Coverity warning
 
 02 May 17: V.Ivanchenko (emstand-V10-03-18)
 - G4BetheHeitlerModel, G4PairProductionRelModel - a small change
     in angular sampling
 
 01 June 17: V.Ivanchenko (emstand-V10-03-17)
 - G4WentzelVIRelModel - fixed typo responsible for numerical crash
 
 31 May 17: V.Ivanchenko (emstand-V10-03-16)
 - G4BetheHeitlerModel, G4PairProductionRelModel - code cleanup and
     speedup, replaced remain log,exp by G4Log and G4Exp
 
 31 May 17: V.Ivanchenko (emstand-V10-03-15)
 - G4eBremsstrahlungRelModel - use new interface to triplet model
 
 29 May 17: V.Ivanchenko (emstand-V10-03-14)
 - G4UniversalFluctuation, G4UniversalFluctuation2017 - L.Urban fixed
     numerical problem for very small steps for all particle types
 
 26 May 17: V.Ivanchenko (emstand-V10-03-13)
 - G4UniversalFluctuation, G4UniversalFluctuation2017 - fixed numerical
     problem for sampling low-energy anti-protons with very small steps
 - G4eBremsstrahlungRelModel - added class members and cross sections
     for sampling of electron recoil
 
 24 May 17: V.Ivanchenko (emstand-V10-03-12)
 - G4UniversalFluctuation - revert to 10.3 version
 - G4UniversalFluctuation2017 - new class includes recent developments,
     cloned from recent G4UniversalFluctuation (ref-04)
 
 23 May 17: V.Ivanchenko (emstand-V10-03-11)
 - G4WentzelOKandVIxSection, G4eCoulombScatteringModel,
   G4WentzelVIModel, G4hCoulombScatteringModel - code and interface cleanup
   G4WentzelVIRelModel - use inheritance from G4WentzelVIModel
   G4WentzelVIRelXSection - use inheritance from G4WentzelOKandVIxSection
 
 18 May 17: L.Urban (emstand-V10-03-10)
  - correction to G4UniversalFluctuation in order to get
    better FWHM values
 
 4 May 17: V.Ivanchenko (emstand-V10-03-09)
 - G4SauterGavrilaAngularDistribution - Marilena Bandieramonte
     introduced more efficient algorithm of sampling using
     Penelope-2014 prescription; expected that simulation will be
     faster
 
 3 May 17: V.Ivanchenko (emstand-V10-03-08)
 - G4NuclearStopping, G4ICRU49NuclearStoppingModel - fixed nuclear
     stopping power computation addressed issue discussed in
     http://hypernews.slac.stanford.edu/HyperNews/geant4/get/hadronprocess/1595/1.html
 
 2  May 17: M.Novak (emstand-V10-03-07)
 - G4GoudsmitSaundersonTable fix FPE
 
 28 April 17: M.Novak (emstand-V10-03-06)
 - G4GoudsmitSaundersonTable new representation of the GS angular
     distributions (data size reduced from 16MB down to 5 MB)
 
 22 April 17: L.Urban (emstand-V10-03-05)
 - G4UniversalFluctuation correction to get results closer to data
 
 27 March 17: L.Urban (emstand-V10-03-04)
 - G4UniversalFluctuation correction in order to get better E_mp and
   FWHM in the case of small steps
 
 24 March 17: V.Ivanchenko (emstand-V10-03-03)
 - G4WentzelOKandVIxSection, G4WentzelVIRelXSection - added
     "ScreeningFactor" parameter to study accuracy of scattering models
 
 20 March 17: F.Hariri (emstand-V10-03-02)
 - G4PairProductionRelModel - fixed the inconsistency in calculating
      the LPM suppression for the pair production model
 
 07 February 17: V.Ivanchenko (emstand-V10-03-01)
 - G4hIonisation - fixed min/max energy for dEdx table for the case,
     when the mass of a hadron is very different from the mass of
     proton
 
 23 January 17: L. Urban (emstand-V10-03-00)
 - G4UniversalFluctuation : correction in order to get better
   results for small steps
 
 01 December 16: V.Ivanchenko (emstand-V10-02-33)
 - G4UniversalFluctuation - G.Folger switch to std::sqrt from sqrt
 - G4MottCoefficients, G4ScreeningMottCrossSection,
   G4eSingleCoulombScatteringModel - use Nuclear Formfactor options
     via G4EmParameters
 
 09 November 16: V.Ivanchenko (emstand-V10-02-32)
 - G4eplusAnnihilation - fixed polarisation of final gamma at rest
 
 08 November 16: V.Ivanchenko (emstand-V10-02-31)
 - G4eeToTwoGammaModel - fixed polarisation of final gamma
 
 19 October 16: V.Ivanchenko (emstand-V10-02-30)
 - G4UniversalFluctuation - restored 10.3beta version
 - G4BetheHeitlerModel, G4ICRU49NuclearStoppingModel, G4IonFluctuations,
   G4GoudsmitSaundersonMscModel, G4IonFluctuations - for internal
     variable use name g4calc instead of g4pow
 
 07 October 16: L.Urban (emstand-V10-02-29)
 - G4UniversalFluctuation - modified code for small energy losses
 
 22 August 16: V.Ivanchenko (emstand-V10-02-28)
 - G4UniversalFluctuation - restore 10.3beta version
 
 03 August 16: V.Ivanchenko (emstand-V10-02-27)
 - G4WentzelOKandVIxSection - added various formactor approximations
 
 20 July 16: V.Ivanchenko (emstand-V10-02-26)
 - G4eBremsstrahlungRelModel - removed unused variables
 
 19 July 16: V.Ivanchenko (emstand-V10-02-25)
 - G4SeltzerBergerModel, G4eBremsstrahlungRelModel, G4eBremParametrizedModel
     added c++11 keywords explicit, override, delete; use nullptr and
     use G4Element::GetZasInt()
 
 18 July 16: L.Urban (emstand-V10-02-24)
 - G4UniversalFluctuation.cc correction in order to get better
   step dependence (practically no step dependence)
 
 16 July 16: V.Ivanchenko (emstand-V10-02-23)
 - G4ScreeningMottCrossSection - fixed precision lost in relativistic
     kinematics when E > 30 TeV
 - G4eBremsstrahlung - improved printout
 
 13 June 16: V.Ivanchenko (emstand-V10-02-22)
 - G4SeltzerBergerModel - fixed data handling for Z > 92
     (problem report #1870 - invalid read of data in run time)
 
 09 June 16: V.Ivanchenko (emstand-V10-02-21)
 - G4UrbanMscModel - roll back selection of lateral displacement,
     by default use old algorithm, for Opt3,4 - new
 
 07 June 16: V.Ivanchenko (emstand-V10-02-20)
 - G4eMultipleScattering, G4hMultipleScattering - roll back previous
     version to avoid necessity to change user code
 
 02 June 16: V.Ivanchenko (emstand-V10-02-19)
 - G4eMultipleScattering, G4hMultipleScattering - fixed model
     initialisation (do not create extra unneccesary objects)
 
 31 May 16: M. Novak (emstand-V10-02-18)
 - G4eBremsstrahlungRelModel - change LPM constant such that it gives
     suppression variable that consistent to Migdal's one; fix small
     bug in LPM function computation;
 
 23 May 16: V.Ivanchenko (emstand-V10-02-17)
 - G4UrbanMscModel - use new displacement in all PhysList
 
 17 May 16: V.Ivanchenko (emstand-V10-02-16)
   Added c++11 keywords: explicit, final, override, delete;
     use nullptr and use G4Element::GetZasInt()
 
 22 April 16: M.Novak (emstand-V10-02-15)
 - G4GoudsmitSaundersonMscModel - change some variable names
 
 11 April 16: L.Urban (emstand-V10-02-14)
 - G4UrbanMscModel - randomisation of "true path length" is modified
 
 11 March 16: V.Ivanchenko (emstand-V10-02-13)
 - G4alphaIonisation, G4hIonisation, G4ionIonisation - do not define
     StepFunction in constructor
 
 02 March 16: V.Ivanchenko (emstand-V10-02-12)
 - G4eSingleCoulombScatteringModel, G4ScreeningMottCrossSection
     (Mauro Tacconi) - fixed initialisation of classes allowing
     to use precomputed cross sections (problem 1823)
 
 26 February 16: V.Ivanchenko (emstand-V10-02-11)
 - Extra attempt to fix VC14 compillation warnings
 
 25 February 16: V.Ivanchenko (emstand-V10-02-10)
 - Attempt to fix clang and VC14 compillation warnings
 
 25 February 16: V.Ivanchenko (emstand-V10-02-09)
 - G4UniversalFluctuation - (L.Urban) fixed bug introduced in -06
 - G4UniversalFluctuations, G4BohrFulatuations,  G4IonFluctuations
     added c++11 keywords explicit, override, delete, final
 
 24 February 16: V.Ivanchenko (emstand-V10-02-08)
 - G4BetheBlochModel - removed unused class members to address clang
     warnings
 
 24 February 16: V.Ivanchenko (emstand-V10-02-07)
 - G4BraggModel, G4BraggIonModel, G4BetheBlochModel - use float for
     local static data, introduced C++11 keyword "delete"
 
 23 February 16: V.Ivanchenko (emstand-V10-02-06)
 - G4UniversalFluctuation - two private inline method are made and
     some code cleanup done
 23 February 16: L.Urban
 - G4UniversalFluctuation - fixed bug in Glandz part, Gaussian sampling.
   The sampling is symmetrical around emean now
 
 12 February 16: V.Ivanchenko (emstand-V10-02-05)
 - G4eSingleCoulombScatteringModel - fixed sampling of scattering
   angle (problem report #1823)
 
 11 February 16: M.Novak (emstand-V10-02-04)
 - G4GoudsmitSaundersonMscModel - handle special case (when gun is on
   the boundary) in the step limitation
 
 10 February 16: V.Ivanchenko (emstand-V10-02-03)
 - G4ASTARStopping, G4PSTARStopping, G4NISTStoppingData,
   G4BraggModel - data arrays become float, computation is left double
 
 23 January 16: V.Ivanchenko (emstand-V10-02-02)
 - G4ScreeningMottCrossSection - a bit cleanup the code to be
     more fast: keep fixed static array of angles, use G4Pow::powN
     method instead of pow (Mauro Tacconi)
 
 17 December 15: M.Novak (emstand-V10-02-01)
 - G4GoudsmitSaundersonMscModel G4GoudsmitSaundersonTable - updated step
     limitations, fixed coverity problems and improved comments.
 
 17 December 15: V.Ivanchenko (emstand-V10-02-00)
 - G4ScreeningMottCrossSection - fixed FPE problem (Mauro Tacconi)
 
 09 November 15: V.Ivanchenko (emstand-V10-01-41)
 - G4ScreeningMottCrossSection - fixed Coverity report
 
 28 October 15: V.Ivanchenko (emstand-V10-01-40)
 - G4GoudsmitSaundersonMscModel, G4GoudsmitSaundersonTable -
     M. Novak revised GS model for new release, requires updated
     data set G4EMLOW6.48
 
 28 October 15: V.Ivanchenko (emstand-V10-01-39)
 - G4ScreeningMottCrossSection revision of the class, optimal usage
     of vectors (Mauro Tacconi)
 - G4IonCoulombScatteringModel - minor cleanup (Mauro Tacconi)
 
 27 October 15: V.Ivanchenko (emstand-V10-01-38)
 - G4UrbanMscModel - facsafety parameter is set to 0.6 (was 0.3)
     providing some CPU improvements for calorimeter simulation
     not affecting calorimeter response (L.Urban)
 
 24 October 15: V.Ivanchenko (emstand-V10-01-37)
 - G4UrbanMscModel, G4IonFluctuations, G4MollerBhabhaModel - instead
     of computation take from material class the value of effective Z
     (fixed potantial source of non-reproducibility)
 - G4hCoulombScatteringModel, G4eCoulombScatteringModel,
   G4SeltzerBergerModel, G4ICRU73QOModel, G4ICRU49NuclearStoppingModel,
   G4BraggModel, G4BraggIonModel, G4eBremsstrahlungRelModel - use
     G4lrint to convert double Z into integer
 
 19 October 15: V.Ivanchenko (emstand-V10-01-36)
 - G4IonCoulombScatteringModel, G4hCoulombScatteringModel - fix on
     recoil kinematics completed (problem report #1778)
 
 16 October 15: V.Ivanchenko (emstand-V10-01-35)
 - G4KleinNishinaCompton, G4KleinNishinaModel, G4BraggModel,
   G4BraggIonModel, G4BetheBlochModel, G4SeltzerBergerModel,
   G4MollerBhabhaModel, G4PEEffectFluoModel - use nullptr,
     use  rndmEngine->flatArray(n, rndm) in sampling algorithms
 - G4IonCoulombScatteringModel, G4hCoulombScatteringModel - fixed
     recoil kinematics
 - G4ScreeningMottCrossSection, G4eSingleCoulombScatteringModel
     (code update was provided by Mauro Tacconi)
 
 15 September 15: L.Urban (emstand-V10-01-34)
 - G4UrbanMscModel - modification in new lateral algorithm
 
 03 September 15: V.Ivanchenko (emstand-V10-01-33)
 - G4GoudsmitSaundersonMscModel - Mihaly Novak has fixed problem
     in GS model (increased number of no scattering for thin layers)
 
 03 September 15: L.Urban (emstand-V10-01-32)
 - G4UrbanMscModel - bugfix for the extreme small step case
 
 02 September 15:  V.Ivanchenko (emstand-V10-01-31)
 - G4GoudsmitSaundersonMscModel, G4GoudsmitSaundersonTable,
   G4PWATotalXsecTable - Mihaly Novak provided updated GS model
 
 03 August 15:  V.Ivanchenko (emstand-V10-01-30)
 - Technical tag: fixed Coverty warning, substitute tabs by spaces,
     add comments to do/while and while loops
 
 28 July 15:  V.Ivanchenko (emstand-V10-01-29)
 - G4IonCoulombScatteringModel, G4eCoulombScatteringModel,
   G4hCoulombScatteringModel - removed low-energy limits from
     scattering models, because it is now implemented inside ionisation
 - G4BraggIonModel - fixed non reproducibility problem #1771
 - G4ASTARStopping, G4ESTARStopping, G4PSTARStopping - build
     spline at initialisation of a vector
 
 13 July 15:  V.Ivanchenko (emstand-V10-01-28)
 - G4UrbanMscModel - (L.Urban) updated new lateral correlation
     algorithm; removed upper limit for computation of e+ correction
 - G4hCoulombScatteringModel, G4WentzelVIRelXSection - (K.Maksimov)
     fully implemented scattring in CM rest frame of projectile/target
 - G4IonCoulombCrossSection - removed unused class members
 
 09 July 15:  V.Ivanchenko (emstand-V10-01-27)
 - G4GoudsmitSaundersonTable - M. Novak fixed problem #1767
 
 08 July 15:  V.Ivanchenko (emstand-V10-01-26)
 - G4IonCoulombScatteringModel, G4IonCoulombCrossSection - fixed
     problem #1763 (wrong kinematics for the recoil), removed
     unused class members
 
 23 June 15:  V.Ivanchenko (emstand-V10-01-25)
 - G4UrbanMscModel - L.Urban introduce a fix of rare long running event
 
 10 June 15:  V.Ivanchenko (emstand-V10-01-22)
 - G4PWATotalXsecTable - attempt to fix compillation warning at Windows
 
 10 June 15:  V.Ivanchenko (emstand-V10-01-21)
 - G4UrbanMscModel - L.Urban revert back step limit algorithm, two
     methods are added for sampling of lateral displacement (one old
     from 10.1 and one new disabled by default), flags are added
     to switch between lateral displacement methods and to enable/disable
     special treatment of positrons below 1 MeV
 - G4PWATotalXsecTable - M.Novak fix Coverity report
 
 02 June 15:  V.Ivanchenko (emstand-V10-01-20)
 - G4GoudsmitSaundersonMscModel, G4GoudsmitSaundersonTable - (M. Novak)
     fixed compillation warnings
 
 01 June 15:  V.Ivanchenko (emstand-V10-01-19)
 - G4PWATotalXsecTable - fixed compillation warning
 
 29 May 15:  V.Ivanchenko (emstand-V10-01-18)
 - G4GoudsmitSaundersonMscModel, G4GoudsmitSaundersonTable - (M. Novak)
     revised and improved implementation of GS model
 
 28 May 15:  V.Ivanchenko (emstand-V10-01-17)
 - G4PWATotalXsecTable - new class for GS model
 - G4PAIPhotonModel - removed as obsolete
 
 26 May 15:  R.Hatcher (emstand-V10-01-16)
 - G4IonCoulombScatteringModel, G4eSingleCoulombScatteringModel - remove
     unnecessary "using namespace std" from header files that causes
     problems w/ G4AnyMethod & G4GenericPhysicsList
 
 22 May 15:  V.Ivanchenko (emstand-V10-01-15)
 - G4UrbanMscModel - small change in initialisation of the new track
 
 18 May 15:  V.Ivanchenko (emstand-V10-01-14)
 - G4UrbanMscModel - ( L.Urban) bugfix in ComputeTruePathLengthLimit
     in order not to get many extreme small steps due to msc; use
     "distance" instead of "range" to compare with safety; code
     optimisation (>5% speedup for EM shower simulation in calorimeters)
 
 06 May 15:  V.Ivanchenko (emstand-V10-01-13)
 06 May 15: L.Urban
 - G4UrbanMscModel - better optimization in ComputeTruePathLengthLimit
 
 01 May 15:  V.Ivanchenko (emstand-V10-01-12)
 - G4PAIModel, G4PAIPhotModel - fixed re-initialisation in MT mode
 
 30 April 15:  V.Ivanchenko (emstand-V10-01-11)
 - G4WentzelVIModel - repeat check on safety for each new step,
     in SampleScattering optimized use of random engine
 - G4UrbanMscModel - repeat check on safety for each new step,
     add extra limit for very small step regime
 - G4PAIModel, G4PAIModelData, G4PAIPhotModel, G4PAIPhotModelData -
     (V.Grichine) last part of fixes for the problem report #1731:
     when next run is initialized old data class is deleted and
     a new one is created
 
 28 April 15: V.Ivanchenko (emstand-V10-01-10)
 - G4WentzelOKandVIxSection - improved angular sampling
 
 27 April 15: V.Ivanchenko (emstand-V10-01-09)
 - G4UrbanMscModel, G4UniversalFluctuation, G4KleinNishinaCompton,
   G4KleinNishinaModel - defined pointer to random engine locally
 
 24 April 15: V.Ivanchenko (emstand-V10-01-08)
 - G4PAIModel, G4PAIModelData - fixes of problem report #1731:
     cuts are not used in Initialise method but only in run time methods;
     added copy of vector of G4MaterialCutsCouple from master to worker
     threads
 - G4KleinNishinaModel, G4WentzelOKandVIxSection - accurate
     initialisation of G4ThreeVectors and G4LorentzVector in constructors
 
 14 April 15: V.Ivanchenko (emstand-V10-01-07)
 - G4UrbanMscModel - removed unused variable
 
 14 April 15: V.Ivanchenko (emstand-V10-01-06)
 - G4UrbanMscModel - (L.Urban) new lateral displacement,correlation and
   positron correction; code cleanup - define some const members of the
   class and const static values
 
 04 March 15: V.Ivanchenko (emstand-V10-01-05)
 - G4hMultipleScattering - do not redefine step limit type
 
 26 January 15: V.Ivanchenko (emstand-V10-01-04)
 - G4BraggModel, G4BraggIonModel, G4BetheBlochModel - more clean
     definition of spin correction to ionisation
 
 16 January 15: V.Ivanchenko (emstand-V10-01-03)
 - G4UniversalFluctuation - switch to use
   G4Random::getTheEngine() to have more clean code
 
 15 January 15: V.Ivanchenko (emstand-V10-01-02)
 - G4GoudsmitSaundersonMscModel, G4UrbanMscModel,G4WentzelVIModel,
   G4WentzelVIRelModel, G4UniversalFluctuation - redefine random
     engine pointer in StartTracking() method to address problem
     reported by CMS
 
 17 December 14: V.Ivanchenko (emstand-V10-01-01)
 - G4GoudsmitSaundersonMscModel - return back version of 10.0 with
     two fixes: trivial Coverity report, added protection aginst precision
     loss for small angle calculation. Keeping 10.0 version the same
     backscattering result is obtained for 10.1 as for 10.0
 
 12 December 14: V.Ivanchenko (emstand-V10-01-00)
 - G4KleinNishinaModel - fixed very rare crash (reported by L.Urban)
     happens when de-excitation module is active and de-excitation energy
     is slightly larger than available energy; now secondary
     energy slightly modified to keep energy balance instead
     of deletion of secondary particle
 - G4PEEffFluoModel - use the same pattern as G4KleinNishinaModel
     for de-excitation products
 
 
 21 November 14: V.Ivanchenko (emstand-V10-00-52)
 - G4PAIPhotonModel - fixed Coverity report (V.Grichine)
 
 15 November 14: V.Ivanchenko (emstand-V10-00-51)
 - G4PEEffectFluoModel - make internal array per material and
     not per materialCutsCouple allowing model be used in unit tests
 
 07 November 14: V.Ivanchenko (emstand-V10-00-50)
 - G4GoudsmitSaundersonMscModel - fixed displacement computation
 
 27 October 14: V.Ivanchenko (emstand-V10-00-49)
 - G4GoudsmitSaundersonMscModel - fixed rare division by zero
 
 27 October 14: V.Ivanchenko (emstand-V10-00-48)
 - G4WentzelVIModel, G4WentzelOKandVIxSection, G4WentzelVIRelXSection
     use G4EmParameters class for initialisation
 
 24 October 14: V.Ivanchenko (emstand-V10-00-47)
 - G4DeltaAngle - comment out warning happens frequently for
     low-enegry electrons
 
 24 October 14: V.Ivanchenko (emstand-V10-00-46)
 - G4CoulombScattering - use G4EmParameters
 - G4WentzelVIModel - refinment of lateral displacement
 - G4UrbanMscModel - refinment of lateral displacement
 - G4WentzelOKandVIxSection - fixed sampling in single scattering
 
 16 October 14: V.Ivanchenko (emstand-V10-00-45)
 - G4eIonisation, G4hIonisation, G4ionIonisation, G4eBremsstrahlung,
   G4GammaConversion, G4ComptonScattering, G4PhotoElectricEffect
     - use G4EmParameterisation at initialisation
 
 14 October 14: V.Ivanchenko (emstand-V10-00-44)
 - G4PEEffectFluoModel - fixed threshold cross section
 - G4GammaConversion - minor fix of initialisation
 
 07 October 14: L.Urban
 - G4UrbanMscModel corrs to speed up (if --> min,max,
   random numbers using rndmEngineMod pointer)
 
 06 October 14: L. Urban (emstand-V10-00-43)
 - G4UrbanMscModel - added new step limit type UseSafetyPlus
 
 8 September 14: V.Ivanchenko (emstand-V10-00-42)
 - G4PairProductionRelModel, G4eBremsstrahlungRelModel - added
     protection at initialisation for the case when user artifitially
     reducing high energy limit of the model (bug #1670)
 
 5 September 14: V.Ivanchenko (emstand-V10-00-41)
 - G4PAIxSection - fixed memory leak reported by Coverity
 
 12 August 14: V.Ivanchenko (emstand-V10-00-40)
 - G4WentzelVIModel - fixed bug in single scattering mode (recently
     introduced)
 
 08 August 14: V.Ivanchenko (emstand-V10-00-39)
 - G4PAIModel - updated sampling of delta electron energy
 - G4PAIModelData - proper deletion of physics vectors end of run,
     use spline interpolation, fixed sampling of delta-electrons
 - G4DeltaAngle - added check on length of do/while loop
 - G4PAIxSection - added protection to avoid division by zero
 - G4PAIxSection, G4PAIPhotData, G4PAIPhotModel - proper deletion
     end of job
 
 21 July 14: V.Ivanchenko (emstand-V10-00-38)
 - G4ASTARStopping, G4PSTARStopping, G4BraggModel, G4BraggIonModel
     restore functionality to access NIST stopping data via
     chemical formula and not only by material name
 
 21 July 14: V.Ivanchenko (emstand-V10-00-37)
 - G4ASTARStopping, G4ESTARStopping, G4PSTARStopping,
   G4WaterStopping - reduced memory churn by using static data,
     delete physics vectors at destruction
 - G4ASTARStopping, G4PSTARStopping changed interface to be
     always const in run time (shared between threads)
 - G4BraggModel - use static pointer to G4PSTARStopping class,
     which is initialized once
 - G4BraggIonModel - use static pointer to G4ASTARStopping class,
     which is initialized once
 
 17 July 14: V.Ivanchenko (emstand-V10-00-36)
 17 July 14: V.Ivanchenko (emstand-V10-00-35)
 16 July 14: V.Ivanchenko (emstand-V10-00-34)
 - G4WentzelVIModel - define single scattering mode before
     transformation from true to geom step length to avoid
     many smell steps for very low-energy particles
 - G4UrbanMscModel - fixed numerical problem for the case when
     range is nearly truePathLength
 
 13 July 14: V.Ivanchenko (emstand-V10-00-33)
 - G4WentzelVIModel - fixed bug introduced in tag 31, which is
     responsible for CPU increase in several tests
 
 08 July 14: V.Ivanchenko (emstand-V10-00-32)
 - G4KleinNishinaModel - minor cleanup
 
 07 July 14: V.Ivanchenko (emstand-V10-00-31)
 - G4ComptonScattering - set startFromNull flag to "true" - for all
     models forced to zero cross section for the low energy in the
     cross section table
 - G4KleinNishinaModel, G4KleinNishinaCompton,
   G4HeatedKleinNishinaCompton - do not sample final
     state below low limit of the model (default 100 eV);
     added protection to do/while loop; added check on secondary
     energy of both gamma and electron using internal limit
 - G4HeatedKleinNishinaCompton - use inheritence from G4KleinNishinaCompton
 - G4WentzelVIModel - added more accurate transition to the single
     scattering mode
 - G4WentzelOKandVIxSection - return back method of 10.0 single
     scattering sampling
 - G4IonCoulombScatteringModel - fixed non-initialised (Coverity report)
 
 06 June 14: V.Ivanchenko (emstand-V10-00-30)
 - G4WentzelVIModel - removed extra printout at initialisation
 
 03 June 14: V.Ivanchenko (emstand-V10-00-29)
 - G4WentzelVIModel - SetSingleScattering Factor is moded to source
     with attempt to fix compillation problem for strict compiler
 - G4PAIModel, G4PAIModelData - improved cout
 - G4G4BraggModel, G4BraggIonModel - added spin correction
 - G4eCoulombScatteringModel, G4hCoulombScatteringModel,
   G4IonCoulombScatteringModel - updated initialisation
     of vector of cuts - cut for recoil can be changed via
     /run/setCut command
 
 27 May 14: V.Ivanchenko (emstand-V10-00-28)
 - G4IonCoulombCrossSection - tunned computation of the screen
     factor
 - G4UrbanMscModel - changed ComputeGeomPathLength() method - instead
     of many return use the one for easier printouts; no change in
     algorithms
 - G4UniversalFluctuations - implemented Andrea Dotti suggestion
     to use more vectorized code (use random engine pointer, use
     flatArray method) for CPU performance improvement;
     no change of the algorithm
 - G4eCoulombScattering - fixed simple Coverity report
 - G4WentzelVIModel - changed single scattering factor from 1.5 to
     1.25
 
 05 May 14: V.Ivanchenko (emstand-V10-00-27)
 - G4WentzelVIModel, G4WentzelVIRelModel, G4WentzelOKandVIxSection,
   G4eCoulombScatteringModel - revised and make consistent definition
     of min and max scattering angle for single scattering mode,
     removed unused class members
 - G4IonCoulombCrossSection - fixed screen factor for projectile
     and target Z=1
 
 02 May 14: V.Ivanchenko (emstand-V10-00-26)
 - G4WentzelVIModel, G4WentzelOKandVIxSection - a small optimisation
     to address some CPU penalty against previous reference tag
 
 28 April 14: V.Ivanchenko (emstand-V10-00-25)
 - G4WentzelOKandVIxSection - fixed bug introduced in April tags
 
 04 April 14: V.Ivanchenko (emstand-V10-00-24)
 - G4WentzelVIModel - fixed minor bug introduced in the previous tag
 
 03 April 14: V.Ivanchenko (emstand-V10-00-23)
 - G4WentzelVIModel - optimized transition between multiple and single
     scattering modes; changed order of displacement and angular
     deflection (second order effect)
 - G4WentzelOKandVIxSection - some cleanup for sampling
 - G4IonCoulombScatteringModel - fixed for scattering off Hydrogen
 
 01 April 14: V.Ivanchenko (emstand-V10-00-22)
 - G4WentzelOKandVIxSection - some cleanup for sampling
 - G4IonCoulombScatteringModel - fixed final state generation
 - G4GammaConversion - switch default number of bins from 220 to 140
 - G4eCoulombScatteringModel - fixed mass of recoil for Hydrogen target
 
 31 March 14: V.Ivanchenko (emstand-V10-00-21)
 - G4WentzelVIModel - removed forgotten debug printout
 
 31 March 14: V.Ivanchenko (emstand-V10-00-20)
 - G4WentzelVIModel - fixed step limitation
 - G4WentzelOKandVIxSection - fixed initialisation for low-energy
     model (this model is not combined with single scattering);
     fixed small inaccuracy for sampling
 - G4GammaConversion - switch default number of bins from 77 to 220
 
 28 March 14: V.Ivanchenko (emstand-V10-00-19)
 - G4CoulombScattering - use G4IonCoulombScatteringModel for ions
     by default
 - G4IonCoulombScatteringModel - fixed warning from G4ParticleTable
 
 19 March 14: V.Ivanchenko (emstand-V10-00-18)
 19 March 14: L.Urban
 - G4UrbanMscModel - efficiency corrections rewritten, no extra
   SimpleScattering call
 
 14 March 14: V.Ivanchenko (emstand-V10-00-17)
 13 March 14: L.Urban
 - G4UrbanMscModel - useSimpleScattering boolean flag in order to get
    a more readable code
 
 11 March 14: L.Urban
 - G4UrbanMscModel - correction improves efficiency in UseSafety mode
 
 28 February 14: V.Ivanchenko (emstand-V10-00-16)
 - G4WentzelVIModel - make part of members of the class and one method
     protected in order to allow inheritence for derived models
 
 28 February 14: L.Urban
 - G4UrbanMscModel - modification in order to improve timing by
   1-14 % (depending on the setup and cut)
 
 27 February 14: V.Ivanchenko (emstand-V10-00-15)
 - G4DeltaAngle - added implementation of SampleDirectionForShell
     virtual method; improved sampling
 
 27 February 14: V.Ivanchenko (emstand-V10-00-14)
 - G4WentzelVIModel - added possibility to compute second momentum
 
 20 February 14: V.Ivanchenko (emstand-V10-00-13)
 - G4UrbanMscModel : some code cleanup - no results change
 - G4WentzelOKandVIxSection, G4WentzelVIModel - similar cleanup
 
 16 February 14: L.Urban
 - G4UrbanMscModel : change in optimization for fUseSafety case by
     usage std::min/std::max instead of "if" constructions
 
 14 February 14: V.Ivanchenko (emstand-V10-00-12)
 - G4UrbanMscModel : cosmetic changings
 
 14 February 14: L.Urban (emstand-V10-00-11)
 - G4UrbanMscModel : method SampleDisplacement removed, its code has been
    put into SampleScattering
 
 13 February 14: V.Ivanchenko (emstand-V10-00-10)
 - G4WentzelOKandVIxSection, G4WentzelVIRelXSection, G4WentzelVIModel,
   G4WentzelVIRelModel, G4eCoulombScatteringModel, G4hCoulombScatteringModel
     added boolean flag showing that in Physics List msc and single scattering
     are combined or not
 
 10 February 14: V.Ivanchenko (emstand-V10-00-09)
 - G4UrbanMscModel - (L.Urban) methods ComputeTheta0,SimpleScattering,
   SampleDisplacement,LatCorrelation have been inlined in order
   to improve timing (K. Genser suggesting) in these methods use
   class member "third" to reduce number of divisions
 - G4PAIxSection - trivial fix of Coverity report
 
 03 February 14: V.Ivanchenko (emstand-V10-00-08)
 - G4SauterGavrilaAngularDistribution - use Penelope 2008 sampling
     algorithm, because it is more effective, distribution itself
     is unchanged
 
 26 January 14: V.Ivanchenko (emstand-V10-00-07)
 - G4ionIonisation - improved printout at initialisation
 
 25 January 14: V.Ivanchenko (emstand-V10-00-06)
 - G4NuclearStopping - do not change ion charge (fixed problem reported
     by Michel Maire)
 - G4ionIonisation - do not instantiate extra model at high enegry
     if G4IonParameterisedModel is used
 
 24 January 14: V.Ivanchenko (emstand-V10-00-05)
 - G4PAIxSection - trivial fix of Coverity report
 - G4GoudsmitSaundersonMscModel, G4GoudsmitSaundersonTable - fixed
     Coverity reports: substitute reading of external file from fopen
     to ifstream; use G4Log, G4Exp
 
 18 January 14: L.Urban (emstand-V10-00-04)
 - G4UniversalFluctuation - bugfix in "ionization" computing -
    effect of the bug was small
 
 17 January 14: V.Ivanchenko for J.Apostolakis (emstand-V10-00-03)
 - G4UniversalFluctuation - reduced number of divisions by addition
     extra class members
 
 11 January 14: V.Ivanchenko for L.Urban (emstand-V10-00-02)
 - G4UniversalFluctuation - G4Pow::expA() is substituted by G4Exp()
 
 08 January 14: V.Ivanchenko for L.Urban (emstand-V10-00-01)
 - G4UrbanMscModel - bug fix (1st normal step in StepLimitType 2 mode
                     was not randomized)
 - G4UniversalFluctuation - energy loss for extreme small cuts was too small,
                            it is fixed now
 
 18 December 13: V.Ivanchenko (emstand-V10-00-00)
 - G4eCoulombScatteringModel, G4eSingleCoulombScatteringModel - get pointer
     to the vector of cuts from parameter of Initialise(..) method and
     not from G4ProductionCutsTable - this is more convinient for
     unit tests, results unchanged
 
 18 November 13: V.Ivanchenko (emstand-V09-06-79)
 - G4PAIPhotonModel, G4PAIxSection - fixed Coverity reports (V.Grichine)
 
 12 November 13: V.Ivanchenko (emstand-V09-06-78)
 - G4IonCoulombScatteringModel, G4eCoulombScatteringModel,
   G4eSingleCoulombScatteringModel, G4hCoulombScatteringModel
     if primary particle is below low-energy threshold and is
     killed add its energy to energy deposition and not to recoil
     energy; no effect on ordinary simulation
 
 08 November 13: V.Ivanchenko (emstand-V09-06-77)
 - G4PAIPhotonModel - do not delete PhysVectors
 
 07 November 13: V.Ivanchenko (emstand-V09-06-76)
 - G4PAIModelData, G4PAIPhotData - do not delete PhysVectors
 
 06 November 13: V.Ivanchenko (emstand-V09-06-75)
 - G4ASTARStopping, G4ESTARStopping, G4PSTARStopping, G4PAIModelData,
   G4PAIPhotData - do not delete PhysVectors
 
 05 November 13: V.Ivanchenko (emstand-V09-06-74)
 - G4PAIxSection, G4PAIySection - V.Grichine completly understand
     and fix problem of division by zero when PAI modls are initialized
 
 01 November 13: V.Ivanchenko (emstand-V09-06-73)
 - G4PAIxSection, G4PAIySection - V.Grichine fixed problem of division
     by zero
 - G4eBremsstrahlungRelModel, G4eCoulombScatteringModel - implemented
     MinPrimaryEnergy method needed to set low-energy limit for
     cross section tables
 
 28 October 13: V.Ivanchenko (emstand-V09-06-72)
 - G4eBremsstrahlungModel - removed as obsolete
 - G4ESTARStopping, G4GoudsmitSaundersonTable,
   G4GoudsmitSaundersonMscModel - fixed Coverity reports
 
 21 October 13: V.Ivanchenko (emstand-V09-06-71)
 - G4BraggModel, G4BraggIonModel, G4BetheBlochModel, G4MollerBhabhaModel
     added possibility to use angular generator
 
 20 October 13: V.Ivanchenko (emstand-V09-06-70)
 - G4WentzelVIModel - added GetWVICrossSEction - access method
     to cross section class
 - V.Grichine G4PAIPhotModel ans G4PAIPhotData classes were in
 secondary electron/X-ray mode.
 
 15 October 13: V.Ivanchenko (emstand-V09-06-69)
 - In many classes std::pow(x,y) substituted by G4Exp(G4Log(x)*y)
 
 14 October 13: V.Ivanchenko (emstand-V09-06-68)
 - G4DeltaAngleFreeScat - is added
 - G4ESTARStopping - added reading from G4LEDATA
 
 12 October 13: V.Ivanchenko (emstand-V09-06-67)
 - G4WentzelVIModel, G4eCoulombScatteringModel - added fixedCut
     member of the class and Get/Set method, will be used
     in fanoCavity and other tests
 - New classes G4PAIPhotModel, G4PAIPhotData (V.Grichine)
 
 04 October 13: V.Ivanchenko (emstand-V09-06-66)
 - G4SeltzerBergerModel - added one simple method
 - G4ESTARStopping - added implementation of forgotten method, cleanup
 - G4PAIModelData - V. Grichine add restricted dE/dx vector
 
 02 October 13: V.Ivanchenko (emstand-V09-06-65)
 - G4ESTARStopping - added ESTAR stopping power data
 - General cleanup of many classes: use G4Log and G4Exp,
     moved 'static const G4double var = expression' lines our of
     the source to avoid any problem in MT mode, significant speedup
     of initialisation and some speedup in run time
 
 11 September 13: V.Ivanchenko (emstand-V09-06-64)
 - G4PairProductionRelModel - add SetupForMaterial(..) call
     into SampleScattering method to fix infinite loop in MT mode
 
 02 September 13: V.Ivanchenko (emstand-V09-06-63)
 - G4PAIModelData - fixed very end of the delta-electron spectra
 
 30 August 13: V.Ivanchenko (emstand-V09-06-62)
 - G4PAIModelData - fixed numerical problem by defining internal
     low-energy limit for proton 50 keV
 
 30 August 13: V.Ivanchenko (emstand-V09-06-61)
 - G4SeltzerBergerModel - if in the method ComputeDXSectionPerAtom
     it turs out that data for given Z are not uploaded call
     InitialiseForElement instead of ReadData in order to set
     AutoLock - this is kind of sanity for MT mode
 - G4PAIModel - do not upply hard-coded low-limit on energy, because
     it should done coherently inside G4PAIModelData
 - G4PAIModelData - scale internal differential cross section
     table as 1/t^2, where t is energy transfer in oreder to more
     smooth x-section; fixed bug in sampling algorithm - removed
     steps in delta electron energy spectrum
 
 29 August 13: V.Ivanchenko (emstand-V09-06-60)
 - G4BetheHeitlerModel, G4KleinNishinaCompton, G4KleinNishinaModel,
   G4PairProductionRelModel, G4eBremParametrizedModel - implemented
     InitialiseLocal method in order to share element selectors between
     threads
 
 28 August 13: V.Ivanchenko (emstand-V09-06-59)
 - G4PEEffectFluoModel - minor optimisation
 - G4DeltaAngle - angular generator for delta-electrons taking
     into account electron motion
 - G4PAIModel - use G4DeltaAngle angular generator
 
 23 August 13: V.Ivanchenko (emstand-V09-06-58)
 - G4PAIModelData added interpolation of dedx and cross section
     between energy bins of internal tables
 
 23 August 13: V.Ivanchenko (emstand-V09-06-57)
 - G4IonFluctuations, G4UniversalFluctuations - use G4Pow for log, exp,
     pow in run time methods - expected slightly improve CPU performance
 
 21 August 13: V.Ivanchenko (emstand-V09-06-56)
 - G4UrbanMscModel93, G4UrbanMscModel95, G4UrbanMscModel96 are removed
     only one version of the model G4UrbanMscModel  is left
 
 19 August 13: V.Ivanchenko (emstand-V09-06-55)
 - G4PAIModelData - new class to handle PAI internal data
 - G4PAIModel - data handling extracted to G4PAIModelData, is data
     class may be shared between threads; code cleanup
 
 12 August 13: V.Ivanchenko (emstand-V09-06-54)
 - G4BetheBlochModel, G4BraggIonModel - returned back method MinEnergyCut
     in order to protect from the bug #1481
 
 03 July 13: V.Ivanchenko (emstand-V09-06-53)
 - G4BohrFluctuations, G4IonFluctuations, G4PAIModel, G4PAIPhotonModel,
   G4UniversalFluctuation - changed interface to G4VEmFluctuationModel
     in SampleFluctuations G4Material pointer is substituted
     by G4MaterialCutsCouple pointer, this is needed for PAI model
 
 01 July 13: V.Ivanchenko (emstand-V09-06-52)
 - G4PAIModel - correct usage of indexes
 
 19 June 13: V.Ivanchenko (emstand-V09-06-51)
 - correct branch tag
 
 18 June 13: V.Ivanchenko (emstand-V09-06-50)
 - G4WaterStopping - enable spline after vector with data is filled -
     needed after G4PhysicsVector modification
 
 15 June 13: V.Ivanchenko (emstand-V09-06-49)
 - Return PAI modifications to the vesrsion of emstand-V09-06-45
 - G4eCoulombScatteringModel - do not use ElementSelectors for ions
 - G4ScreeningMottCrossSection - fixed Coverity report; fixed numerical
     problem for very small scattering angles
 
 13 June 13: V.Ivanchenko (emstand-V09-06-48)
  G4PAIxSection - fixed compillation warning
 
 13 June 13: V.Ivanchenko (emstand-V09-06-47)
  G4PAIxSection - V.Grichine fix compillation warning
 
 13 June 13: V.Ivanchenko (emstand-V09-06-46)
 12 June 13 -  V.Grichine, G4PAIPhotonModel, G4PAIxSection - modified
     initialisation call G4SandiaTable over memory crash free method;
     G4PAIxSection was modified: arrays->G4DataVectors
 
 10 May 13: V.Ivanchenko (emstand-V09-06-45)
 - G4hIonisation - removed debug printout
 
 07 May 13: V.Ivanchenko (emstand-V09-06-44)
 - G4hIonisation - add special treatment for ions
 
 06 May 13: V.Ivanchenko (emstand-V09-06-43)
 - G4PEEffectFluoModel - revert back previous tag -41, because
     tag -42 does not help to resolve non-reproducibility at Windows
 
 06 May 13: V.Ivanchenko (emstand-V09-06-42)
 - G4PEEffectFluoModel - revert back previous tag -40 in order
     to fix non-reproducibility
 
 06 May 13: V.Ivanchenko (emstand-V09-06-41)
 - G4PEEffectFluoModel - more safe computation of secondary
     electron energy and energy concervation
 
 05 May 13: V.Ivanchenko (emstand-V09-06-40)
 - G4PAIPhotonModel - (V.Grichine) added extra methods
 - G4SeltzerBergerModel, G4eBremsstrahlungRelModel - use IsMaster()
     method at initialisation
 03 June 13: L. Urban
 - G4PEEffectFluoModel - correction to ensure energy conservation
   when fluo is on`
 - G4KleinNishinaModel - correction to ensure energy conservation
   when fluo is on`
 
 30 May 13: V.Ivanchenko (emstand-V09-06-39)
 - G4SeltzerBergerModel, G4eBremsstrahlungRelModel - implemented
     copy of element selectors from master to worker threads
 
 29 May 13: V.Ivanchenko (emstand-V09-06-38)
 - G4SeltzerBergerModel - increased elowlimit in the method
     SamplingSecondaries() from 10 to 20 keV in order to removed
 
 29 May 13: V.Ivanchenko (emstand-V09-06-37)
 - G4eCoulombScatteringModel, G4hCoulombScatteringModel,
   G4eSingleCoulombScatteringModel - use G4IonTable::GetIon instead
     of G4ParticleTable interface to create a recoil ion
 - G4KleinNishinaModel - added protection and warning against
     possible energy non-conservation due to inconsistency in
     shell energies
 - G4PEEffectFluoModel - use binding energy from G4LEDATA and not
     from G4AtomicShell class in the case when fluoresence is enabled
     in order to provide energy balance
 - G4SeltzerBergerModel - increased elowlimit in the method
     SamplingSecondaries() from 10 to 20 keV in order to removed
     problem of majoranta exceeded in heavy media (annoing warnings
     messages should not appear anymore)
 
 23 May 13: V.Ivanchenko (emstand-V09-06-36)
 - G4PAIModel - G4SandiaTable is added as a class member
 - G4PAIModel, G4PAIySection - V.Grichine modified initialisation
     call G4SandiaTable over memory crash free method; G4PAIySection
     was modified: arrays->G4DataVectors
 
 16 May 13: V.Ivanchenko (emstand-V09-06-35)
 - G4SeltzerBergerModel - changed interface to G4Physics2DVector
 
 10 May 13: M.Asai (emstand-V09-06-34)
 - Added Mutex lock to G4SeltzerBergerModel::ReadData().
 
 08 May 13: V.Ivanchenko (emstand-V09-06-33)
 - removed debug printpout at initialisation from previous tag
 - G4SeltzerBergerModel - reduce limit on number of warning printouts
     to reduce log files for MT developments
 
 07 May 13: V.Ivanchenko (emstand-V09-06-32)
 - G4WentzelOKandVIxSection - fixed old problem - difference in
     scattering for electrons and heavy particle by introduction
     of separate arrays for screening radiuses
 
 30 April 13: V.Ivanchenko (emstand-V09-06-31)
 - G4HeatedKleinNishinaCompton, G4IonFluctuations, G4PAIModel,
    G4PAIPhotonModel, G4UniversalFluctuation - CLHEP::Rand
      substituted by G4Rand (needed for MT)
 - G4PAIySection restore original algorith of cheking of
     maxenergy transfer
 
 25 April 13: V.Ivanchenko (emstand-V09-06-30)
 - G4UrbanMscModel95, G4UrbanMscModel96 - added usage of G4Pow and
 - G4PAIySection, G4PAIModel, G4PAIPhotonModel - return back working
   versions from the tag emstand-V09-06-28
 
 22 April 13: V.Ivanchenko (emstand-V09-06-29)
 - G4PAIySection, G4PAIModel, G4PAIPhotonModel - restore tag -06-23
     to allow acceptance of msc models for the reference tag
 
 20 April 13: V.Ivanchenko (emstand-V09-06-28)
 - G4PAIySection - fixed usage array length
 - G4WentzelVIModel - minor optimisation of the code (no effect on
     physics results)
 
 19 April 13: V.Ivanchenko (emstand-V09-06-27)
 - G4WentzelOKandVIxSection - fixed initialisation - really different
     screening parameter for e+- and heavy particles
 
 18 April 13: V.Ivanchenko (emstand-V09-06-26)
 - G4PAIModel - fixed valgrind reported problem in unit test
 
 18 April 13: V.Ivanchenko (emstand-V09-06-25)
 - G4PAIModel - fixed destructor
 - G4WentzelOKandVIxSection - added different screening parameter formula
     for e+- and heavy particles in order to return back width of electron
     scattering
 
 14 April 13: V.Grichine
 - G4PAIModel, G4PAIPhotonModel, G4PAIySection - modifications to make both PAI and
   PAIPhoton to be edentical in terms of SANDIA data used.
 
 10 April 13: V.Ivanchenko (emstand-V09-06-24)
 - G4PAIModel, G4PAIPhotonModel - change Initilise method allowing to
     work with these models in unit test where geometry is not
     constructed
 
 04 April 13: V.Ivanchenko (emstand-V09-06-23)
 - G4UrbanMscModel - use G4Pow in compute transport cross section
 
 09 April 13: L.Urban
 - G4UrbanMscModel - random first step/ random first step in volume
    instead of sampling z (the geam. step length). After this modification
    there in no zero step length for eIoni,eBrem and annihilation in flight
 
 04 April 13: V.Ivanchenko (emstand-V09-06-22)
 - G4eplusAnnihilation - use G4VParticleChange interface to add
     secondary track for more clean weight update; cleanup headers
 
 22 March 13: V.Ivanchenko (emstand-V09-06-21)
 - G4MottCoefficients, G4BetheHeitlerModel, G4ASTARStopping, G4BraggIonModel,
   G4BraggModel, G4InitXscPAI, G4IonFluctuations, G4ModifiedTsai,
   G4MottCoefficients, G4PAIySection, G4PSTARStopping,
   G4PairProductionRelModel, G4SauterGavrilaAngularDistribution,
   G4ScreeningMottCrossSection, G4SeltzerBergerModel, G4UrbanMscModel,
   G4WentzelVIModel, G4WentzelVIRelModel, G4eBremsstrahlungModel
     for const parameters use "static const G4double"
 
 18 March 13: V.Ivanchenko (emstand-V09-06-20)
 - G4UrbanMscModel - L.Urban have added a new geometrical limit
     0.01 nm to allow scattering in very small steps;
 - G4UrbanMscModel, G4UrbanMscModel93, G4UrbanMscModel95 -
     warning printout about large angle scattering is commented out
 
 07 March 13: V.Ivanchenko (emstand-V09-06-19)
 - G4UrbanMscModel, G4UrbanMscModel93, G4UrbanMscModel95,
     G4UrbanMscModel96 - comment out extra printout
   G4UrbanMscModel96 - added warning that it is an obsolete class
 
 28 February 13: V.Ivanchenko (emstand-V09-06-18)
 - G4PEEffectFluoModel - changed interface to SandiaTable allowing
     materials to be shared between threads
 
 23 February 13: V.Ivanchenko (emstand-V09-06-17)
 - G4PEEffectFluoModel - attempt to fix compillation problems
 
 21 February 13: V.Ivanchenko (emstand-V09-06-16)
 - G4PEEffectFluoModel - use const pointers to access Sandia table array;
     changed access to G4SandiaTable in ComputeCrossSectionPerAtom method
     by using pointer os G4MaterialCutsCouple (before sttic method was used)
 
 19 February 13: V.Ivanchenko (emstand-V09-06-15)
 - G4UrbanMscModel, G4UrbanMscModel96 - L.Urban make modification
     in SampleCosineTheta to provide higher stability versus step size
 - G4UrbanMscModel - modified format of warning about big scatterings
 
 19 February 13: V.Ivanchenko (emstand-V09-06-14)
 - G4SeltzerBergerModel, G4PAIxSection, G4PAIySection,
   G4GoudsmitSaundersonTable, G4GoudsmitSaundersonMscModel
     - removed G4endl from G4ExceptionDescription
   G4UrbanMscModel - copied from G4UrbanMscModel96 and become
     default for G4eMultipleScattering, G4hMultipleScattering
 
 18 February 13: V.Ivanchenko (emstand-V09-06-13)
 - G4eBremsstrahlungModel, G4WentzelVIRelXSection,
   G4WentzelOKandVIxSection, G4SeltzerBergerModel, G4PAIxSection,
   G4PAIySection, G4IonFluctuations, G4ICRU49NuclearStoppingModel,
   G4ICRU49NuclearStoppingModel, G4GoudsmitSaundersonTable,
   G4BraggModel, G4BraggIonModel - removed G4ThreadLocal declarations
 
 01 February 13: V.Ivanchenko (emstand-V09-06-12)
 - G4UrbanMscModel93, G4UrbanMscModel95, G4UrbanMscModel96:
     added warning printout for particles with E>20 MeV and value
     of c < 1.6
 - G4UrbanMscModel96 - extra tuning of probability of no scattering
     in thin layers to be more similar to the single scattering model
     (L.Urban)
 
 29 January 13: V.Ivanchenko (emstand-V09-06-11)
 - G4UrbanMscModel93, G4UrbanMscModel95, G4UrbanMscModel96:
     added limit c>1.9 for the main parameter responsible for
     sumpling of tail of scattering (fix for ATLAS large scattering
     angle problem)
 - G4WentzelVIModel - more clean logic of sampling for single
     scattering mode
 
 25 January 13: V.Ivanchenko (emstand-V09-06-10)
 - G4UrbanMscModel93, G4UrbanMscModel95, G4UrbanMscModel96 - extended
     initialisation at StartTracking method: class members
     'tlimitmin' and 'stepmin' are reset to default values to avoid rare
     cases of non-reproducibility (L.Urban).
 
 23 January 13: V.Ivanchenko (emstand-V09-06-09)
 11 January 13: V.Ivanchenko (emstand-V09-06-08)
 11 January 13: V.Ivanchenko (emstand-V09-06-07)
 - Removed obsolete models: G4UrbanMscModel90, G4UrbanMscModel92,
     G4PEEffectModel
 
 09 January 13: V.Ivanchenko (emstand-V09-06-06)
 - G4UrbanMscModel96 - new tuning by L.Urban
 
 29 December 12: V.Ivanchenko (emstand-V09-06-05)
 - G4UrbanMscModel95 - use more safe expressions in SampleCosineTheta
     to avoid numerical problem seenith G4UrbanMscmOdel93
 - G4UrbanMscModel93 - added extra double members of the class
 
 23 December 12: V.Ivanchenko (emstand-V09-06-03)
 - All msc models - minor cleanup
 
 23 December 12: V.Ivanchenko (emstand-V09-06-02)
 - All msc models - changed signature of SampleScattering - fixed
     major bug of 9.6
 
 20 December 12: V.Ivanchenko (emstand-V09-06-01)
 - G4UrbanMscModel93 - use more safe expressions in SampleCosineTheta
     to avoid numerical problems (ATLAS large scattering angle problem)
 
 07 December 12: V.Ivanchenko (emstand-V09-06-00)
 - G4ModifiedTsai, G4PairProductionRelModel, G4WentzelOKandVIxSection,
   G4WentzelVIRelXSection - removed obsolete methods and headers
 
 12 November 12: V.Ivanchenko (emstand-V09-05-65)
 - G4WentzelOKandVIxSection - make special case for Hydrogen
 
 10 November 12: V.Ivanchenko (emstand-V09-05-64)
 - G4WentzelOKandVIxSection - revert to 9.5 version
 
 09 November 12: V.Ivanchenko (emstand-V09-05-63)
 - G4WentzelVIModel - fixed minor problem in single scattering mode
 
 08 November 12: V.Ivanchenko (emstand-V09-05-62)
 - G4UrbanMscModel90, G4UrbanMscModel93, G4UrbanMscModel95 - do not sample
     scattering if energy is below 1 eV
 - G4WentzelVIModel - added "no scattering" check inside SampleScattering
     method
 - G4WentzelOKandVIxSection - return back screening parameter parameterisation
     of Geant4 9.5 (better fit MuScat data)
 
 03 November 12: V.Ivanchenko (emstand-V09-05-61)
 - G4XrayRayleighModel - fixed minor Coverity warning
 
 26 October 12: V. Grichine - bug fixed in G4XrayRayleighModel for calculating
 of the atomic form factor in the SampleSecondaries method.
 
 26 October 12: V.Ivanchenko (emstand-V09-05-60)
 - G4UrbanMscModel90 - improved warning for large angle scattering
 - G4SeltzerBergerModel - added  SetBicubicInterpolationFlag method
     activating more accurate parameterisation of 2D data for
     energy spectrum; improved comments
 
 25 October 12: V.Ivanchenko (emstand-V09-05-59)
 - G4UrbanMscModel95 - comment out unwanted warning at initialisation
 
 25 October 12: V.Ivanchenko (emstand-V09-05-58)
 -  G4hMultipleScattering - use G4UrbanMscModel95 as a default
 
 21 October 12: V.Ivanchenko (emstand-V09-05-57)
 - G4eBremsstrahlung, G4eIonisation,  G4hIonisation, G4ionIonisation -
     secondary particle type defined in constructors and not in Initialise()
     method, this is needed for correct initialisation at G4_PreInit
 
 20 October 12: V.Ivanchenko (emstand-V09-05-56)
 - G4CoulombScattering, G4NuclearStopping, G4eMultipleScattering,
   G4hMultipleScattering, G4ComptonScattering - substitute methods
     Model(), SetModel() by EmModel(), SetEmModel()
 - G4NuclearStopping - added check on ion energy at the process level
     to speedup computations
 - G4CoulombScattering - close possibility to change polar angle limit
     after first initialisation
 - added warning to obsolete methods and classes
 
 18 October 12: V.Ivanchenko (emstand-V09-05-55)
 -  G4BetheBlochModel, G4BraggIonModel, G4BraggModel - define flag isIon
      for all nucleus except deuteron, triton and special DNA ions
 
 14 October 12: V.Ivanchenko (emstand-V09-05-54)
 - G4XrayRayleighModel - V. Grichine, update of xsc and angular distribution
 - G4eBremParametrizedModel - use G4DipBustGenerator for angular distribution
 - G4ModifiedTsai - removed old obsolete interface
 
 08 October 12: V.Ivanchenko (emstand-V09-05-53)
 - G4KleinNishinaModel - fixed computation of electron energy
 
 05 October 12: V.Ivanchenko (emstand-V09-05-52)
 - G4UrbanMscModel95 - added protection into GetTrueStepLength method (true
     legth cannot exceed physics path length
 - G4UrbanMscModel96 - new version of the model
 
 01 October 12: V.Ivanchenko (emstand-V09-05-51)
 - G4KleinNishinaModel - fixed infinite loop
 
 01 October 12: G.Cosmo (emstand-V09-05-50)
 - Explicitly use inclusion of header for system of units in G4GammaConversion.
 
 28 September 12: V.Ivanchenko (emstand-V09-05-49)
 - G4WentzelVIModel, G4WentzelVIRelModel - fixed non-reproducibility
     recently introduced
 - G4eBremssrahlungRelModel - return back G4ModifiedTsai as a default
 
 28 September 12: V.Ivanchenko (emstand-V09-05-48)
 - G4UrbanMscModel90, G4UrbanMscModel92, G4UrbanMscModel93,
   G4UrbanMscModel95, G4GoudsmitSaundersonMscModel - fixed computations
     of effective electron energy at a step
 - G4ModifiedTsai - fixed angular distribution in backward hemisphere
 - G4GammaConversion - explicit inclusion of header for units.
 - G4KleinNishinaModel - minor cleanup
 
 21 September 12: V.Ivanchenko (emstand-V09-05-47)
 - G4DipBustGenerator, G4SauterGavrilaAngularDistribution - added
     protection to angular sampling theta < pi, and optimise
     computation for ultrarelativistic particles
 
 20 September 12: V.Ivanchenko (emstand-V09-05-46)
 - G4GammaConversion - changed low energy limit of the high energy
     model from 100 to 80 GeV
 - G4eBremsstrahlungRelModel - use G4DipBustGenerator for sampling of
     bremsstrahlung angle instead of G4ModifiedTsai
 - G4SeltzerBergerModel - for the cut on gamma energy below 5% added
     extra factor 1.2 to max value of the cross section when sample
     gamma energy (reduced number of cases when differencial cross
     section exceed estimated maximum of the cross section.
 
 18 September 12: V.Ivanchenko (emstand-V09-05-45)
 - G4UrbanMscModel90, G4UrbanMscModel92, G4UrbanMscModel93,
     G4UrbanMscModel95, G4WentzelVIModel,
     G4GoudsmitSaundersonMscModel - added protection: step limit
     from msc cannot be smaller than tlimitminfix (to address bug#1345)
 - G4IonFluctuations - added simplified fluctuations for very small steps
     (to address bug#1345)
 
 28 August 12: V.Ivanchenko (emstand-V09-05-44)
 - G4CoulombScattering - fixed initialisation for the case when polar angle
     limit is below pi
 
 24 August 12: V.Ivanchenko (emstand-V09-05-43)
 - G4CoulombScatteringModel, G4eCoulombScatteringModel, G4UrbanMscModel90
   G4UrbanMscModel92, G4UrbanMscModel93, G4UrbanMscModel95,
   G4WentzelVIModel, G4GoudsmitSaundersonMscModel - sampling of scattering
     moved from PostStep to AlongStep
 - G4KleinNishinaModel - added simplified PDF function
 
 27 July 12: V.Ivanchenko (emstand-V09-05-42)
 - G4NuclearStopping - added check of upper energy limit (for CPU
     performance reasons)
 - G4ICRU49NuclearStoppingModel - reduced upper limit for protons from
     100 MeV to 1 MeV (for CPU performance reasons)
 
 26 July 12: V.Ivanchenko (emstand-V09-05-41)
 - fixed source.cmake
 
 26 July 12: V.Ivanchenko (emstand-V09-05-40)
 - updated source.cmake
 
 26 July 12: V.Ivanchenko (emstand-V09-05-39)
 - G4PEEffectFluoModel, G4PEEffectModel - use G4VEmAngularDistribution
     interface
 - G4SauterGavrilaAngularDistribution extracted from G4PEEffectModel,
     limit gamma fator is changed from 5 to 30 (no angular sampling
     above ~15 MeV instead of 2.5 MeV)
 
 20 July 12: V.Ivanchenko (emstand-V09-05-38)
 - G4ModifiedTsai - improved sampling of bremsstarhlung in backward
     hemisphere
 
 20 July 12: V.Ivanchenko (emstand-V09-05-37)
 - WentzelVIModel - return back old step limitation
 - G4DipBustGenerator, G4ModifiedTsai, G4SeltzerBergerModel,
   G4eBremParametrizedModel, G4eBremsstrahlungModel,
   G4eBremsstrahlungRelModel - use SampleDirection interface of the
   G4VEmAngularDistribution interface
 
 17 July 12: V.Ivanchenko (emstand-V09-05-36)
 - G4UniversalFluctuation, G4IonFluctuations - fixed bug in sampling
     in the case of Gamma-distribution (thick target at low energy)
 
 17 July 12: V.Ivanchenko (emstand-V09-05-35)
 - G4SeltzerBergerModel - optimisation of sampling for e+
 - WentzelVIModel - optimisation of sampling of scattering for
     large value of mean scattering angle
 - G4UniversalFluctuation, G4IonFluctuations - improved sampling for
     "thick" absorber
 
 13 July 12: V.Ivanchenko (emstand-V09-05-34)
 - G4GammaConversion - use relativistic model above 100 GeV - more
     accurate cross sections + LPM effect at very high energy
 - G4ComptonScattering, G4CoulombScattering, G4PhotoElectricEffect,
     G4eplusAnnihilation use EmModel and SetEmModel methods of the base
     class at initialisation
 
 13 July 12: V.Ivanchenko (emstand-V09-05-33)
 - StartTracking method is implemented in all msc models
 
 10 July 12: G.Cosmo (emstand-V09-05-32)
 - Explicitly use inclusion of headers for system of units and physical
   constants, in plan to remove implicit inclusion from globals.hh.
 
 05 July 12: V.Ivanchenko (emstand-V09-05-31)
 - G4ICRU49NuclearStoppingModel, G4IonCoulombCrossSection,
   G4IonCoulombScatteringModel, G4ScreeningMottCrossSection,
   G4UrbanMscModel93, G4UrbanMscModel95 - fixed shadowing
 
 04 July 12: V.Ivanchenko (emstand-V09-05-30)
 - G4GammaConversion, G4KleinNishinaModel, G4KleinNishinaCompton,
   G4PEEffectFluoModel - minor cleanup of initialisation
 - G4PhotoElectricEffect - build cross section table above 200 keV
 - G4ComptonScattering - build 2 cross section tables - below and above
     1 MeV using different technique for interpolation
 - G4CoulombScattering - improved list of options/flags in the
     constructor to reduce size of cross section tables
 
 22 June 12: V.Ivanchenko (emstand-V09-05-29)
 - Fixed non-reproducibility in msc models for the case if more than
     several models defined for different energy interval
 
 15 June 12: V.Ivanchenko (emstand-V09-05-28)
 - G4GoudsmitSaundersonMscModel - fixed precision lost providing FPE
 
 14 June 12: V.Ivanchenko (emstand-V09-05-27)
 - G4ScreeningMottCrossSection - added extra protections against FPE
 
 11 June 12: V.Ivanchenko (emstand-V09-05-26)
 - G4SeltzerBergerModel - more accurate majoranta definition for
     low-energy e-
 - G4ScreeningMottCrossSection - added protection against FPE
     due to low-energy value of internal table
 
 10 June 12: V.Ivanchenko (emstand-V09-05-25)
 - G4SeltzerBergerModel - more effective sampling of energy
 
 09 June 12: V.Ivanchenko (emstand-V09-05-24)
 - G4SeltzerBergerModel - more accurate simulation of tail for e+
 
 08 June 12: V.Ivanchenko (emstand-V09-05-23)
 - Fixed shadowing
 
 07 June 12: V.Ivanchenko (emstand-V09-05-22)
 - G4ScreeningMottCrossSection, G4eSingleCoulombScatteringModel -
     C. Consolandi and P.G. Rancoita provided updated version of
     electron scattering code based on analytical approximation of
     the Mott cross section by means Hose coefficients
 - G4MottCoefficients - new class by above scattring model
 
 07 June 12: V.Ivanchenko (emstand-V09-05-21)
 - G4WentzelVIModel - fixed sampling of single scattering
 - G4eMultipleScattering, G4hMultipleScattering - minor optimisation
     of initialisation
 
 01 June 12: V.Ivanchenko (emstand-V09-05-20)
 - G4SeltzerBergerModel - fixed warning at Windows
 
 01 June 12: V.Ivanchenko (emstand-V09-05-19)
 - G4SeltzerBergerModel - fixed problem introduced in previous tag
 
 31 May 12: V.Ivanchenko (emstand-V09-05-18)
 - G4SeltzerBergerModel - fixed minor problem of sampling for positrons;
                        - make internal data structure static to be used
                          by both e+ and e- models - some memory reduction
                        - used simplified computation of majoranta valid
                          for data with more detailed grid;
                        - make internal data vectors static to reduce
                          size of data in run time
 - G4DipBustGenerator - fixed model description
 - G4eBremsstrahlungRelModel (A.Schaelicke switch full screening off)
 - G4eplusAnnihilation (D. Sawkey) fixed propagate weight to secondaries
 
 09 May 12: V.Ivanchenko (emstand-V09-05-17)
 - G4CoulombScattering - minor modification of initialisation allowing
     to have add custom model with specific paraaameters but reuse
     low andhigh energy limits defined for the process
 
 24 April 12: V.Ivanchenko (emstand-V09-05-16)
 - G4CoulombScattering - added method MinPrimaryEnergy allowing to
     define low edge of physics table when Coulomb scattering is combined with
     multiple or single scattering
 - G4WentzelVIModel - fixed a bug introduced in previous tag
 - G4eCoulombScatteringModel - removed usage of local table for cross section
     introduced in previous tag
 
 20 April 12: V.Ivanchenko (emstand-V09-05-15)
 - G4CoulombScatteringModel, G4eCoulombScatteringModel, G4UrbanMscModel90
   G4UrbanMscModel92, G4UrbanMscModel93, G4UrbanMscModel95,
   G4WentzelVIModel, G4GoudsmitSaundersonMscModel - moved
     cross section table from process to model, removed method GetLambda
 - G4GoudsmitSaundersonMscModel - improved method of definition of
     screening parameter
 
 16 April 12: A.Schaelicke & F.Garay
 - G4eBremsstrahlungRelModel fixed use of screening function
 
 13 April 12: L.Urban
 - G4UrbanMscModel95 - fixed tail using single scattering model
 
 28 March 12: V.Ivanchenko (emstand-V09-05-14)
 - source.cmake fixed - G4UrbanMscModel92 was forgotten
 
 15 March 12: V.Ivanchenko (emstand-V09-05-13)
 - G4GoudsmitSaundersonMscModel - fixed FPE bug - lateral displacemnt
     should not be sampled for plural scattering
 
 12 March 12: V.Ivanchenko (emstand-V09-05-12)
 - G4UrbanMscModel92, G4UrbanMscModel93, G4UrbanMscModel95 - a protection
     against big scattering angles for e+- (E > 20 MeV) is added; the
     protection cut tail of scattering angles to avoid artifitial scattering
     of high energy e+-; in the case of E > 1 GeV and cosTheta<0 a
     Warning will be printed out
 - G4WentzelVIModel - fixed bug in lateral displacement sampling
 
 07 March 12: V.Ivanchenko (emstand-V09-05-11)
 - G4IonCoulombScatteringModel - fixed numerical problem for small
     scattering angles
 
 21 February 12: V.Ivanchenko (emstand-V09-05-10)
 - G4UrbanMscModel93, G4UrbanMscModel95 - fixed G4Exception printout
 
 14 February 12: V.Ivanchenko (emstand-V09-05-09)
 - previous tags were rejected by mistake
 
 12 February 12: V.Ivanchenko (emstand-V09-05-08)
 - G4WentzelOKandVIxSection, G4WentzelVIModel - cleanup of previous modifications
 
 10 February 12: V.Ivanchenko (emstand-V09-05-07)
 - G4WentzelVIModel - improved algorithm of sampling of scattering angle and
     displacement: chice between 1 or 2 sub-steps
 
 09 February 12: V.Ivanchenko (emstand-V09-05-06)
 - G4WentzelOKandVIxSection - fixed typo
 
 09 February 12: V.Ivanchenko (emstand-V09-05-05)
 - G4UniversalFluctuation L.Urban improved parameterisation for
     thin gas layers
 - G4WentzelOKandVIxSection - different screening functions for
     e+- and heavy particles
 
 31 January 12: V.Ivanchenko (emstand-V09-05-04)
 31 January 12: V.Ivanchenko (emstand-V09-05-03)
 - G4WentzeVIModel - fixed bug in computation of lateral displacement
     (Leif Raedel report# 1114 in HyperNews forum)
 
 27 January 12: V.Ivanchenko (emstand-V09-05-02)
 - G4WentzeVIModel - added G4Exception to identify misuse of transport
     cross section computation
 
 26 January 12: V.Ivanchenko (emstand-V09-05-01)
 - G4WentzelOKandVIxSection - fixed incorrect selection of limit
     on minimal angle (affect large angle scattering of muons)
 
 12 January 12: V.Ivanchenko (emstand-V09-05-00)
 - G4UniversalFluctuation - (L.Urban) fixed sampling at small steps
     (below 10 um) in heavy media reported at 8th Space User Workshop
     (Tsukuba, December, 2012) about shift in range of 3 MeV muons
 - G4GoudsmitSaundersonTable, G4GoudsmitSaundersonMscModel - fixed
     compillation problem at Ubuntu; the problem was in non-accurate
     usage of fscanf function reading data file
 
 25 November 11: V.Ivanchenko (emstand-V09-04-55)
 - G4UrbanMscModel90, G4UrbanMscModel93, G4UrbanMscModel95 - added
   protection against numerical problems of sampling scattering with
   small step at high energy to avoid reflection back;
   added G4Exception to control reflection back - it issues a warning
 
 18 November 11: V.Ivanchenko (emstand-V09-04-54)
 - G4UrbanMscModel95 - optimized "samplez" sampling - applied it
     only for for medium step size, not apply to small steps and
     on steps equal to electron range
 
 17 November 11: V.Ivanchenko (emstand-V09-04-53)
 - G4SeltzerBergerModel - suppress warning printed for low-energy
     electrons (E < 1 keV)
 
 14 November 11: V.Ivanchenko (emstand-V09-04-52)
 - G4SeltzerBergerModel - fixed cross section for positrons
 
 12 November 11: V.Ivanchenko (emstand-V09-04-51)
 - G4SeltzerBergerModel - added correction for cross section for positrons
 
 11 November 11: V.Ivanchenko (emstand-V09-04-50)
 - G4eeToTwoGammaModel, G4eSingleCoulombScatteringModel, G4eCoulombScatteringModel,
   G4eBremsstrahlungRelModel, G4eBremsstrahlungModel, G4eBremsstrahlung,
   G4XrayRayleighModel, G4WentzelVIModel, G4UrbanMscModel95, G4UrbanMscModel93,
   G4UrbanMscModel90, G4SeltzerBergerModel, G4ScreeningMottCrossSection,
   G4PEEffectModel, G4PEEffectFluoModel, G4PAIPhotonModel, G4PAIModel,
   G4MollerBhabhaModel, G4KleinNishinaModel, G4KleinNishinaCompton, G4ICRU73QOModel,
   G4BraggModel, G4BetheBlochModel, G4PAIxSection, G4InitXscPAI - fixed trivial
     problems (mainly pedantic initialisation) reported by the Coverity tool
 - G4alphaIonisation - warning is added saying that the process should not be used
 
 2 November 11: G.Cosmo (emstand-V09-04-49)
 - Correction in sources.cmake script.
 
 1 November 11: V.Ivanchenko (emstand-V09-04-48)
 - G4eCoulombScatteringModel - fixed compilation problem introduced
     in the previous tag
 
 31 October 11: V.Ivanchenko (emstand-V09-04-47)
 - G4eCoulombScatteringModel - rename local member and set method
     SetLowEnergyThreshold to avoid hidden of the method of the
     base class (addressed bug# 1256)
 
 28 October 11: V.Ivanchenko (emstand-V09-04-46)
 - G4PAIxSection, G4PAIySection,
 - G4GoudsmitSaundersonMscModel, G4GoudsmitSaundersonTable - migration to
     the new G4Exception signature
 - G4ScreeningMottCrossSection, G4eSingleCoulombScatteringModel - new classes
 - G4eBremsstrahlungRelModel - only members used in a derived class are
                               protected, other moved to be private
 - G4UrbanMscModel95 - return back default FacSafety = 0.3
 - G4SeltzerBergerModel - G4LEDATA is used as a path to the data structure
 - G4eCoulombScatteringModel - low-limit is increased from 10 eV to 1 keV
     for the reason of HEP production, may be changed by low-energy user
 
 10 October 11: V.Ivanchenko (emstand-V09-04-45)
 - G4UrbanMscModel95 - speadup a bit in the case UseSafety (FacSafety = 0.5)
 - G4eeToTwoGammaModel - added polarization
 - G4eBremsstrahlungRelModel - make few methods and class members protected
     to be used in G4SeltzerBergerModel
 - G4SeltzerBergerModel - new model for bremsstrahlung
 
 16 September 11: V.Ivanchenko (emstand-V09-04-44)
 - G4BetheBlochModel - added protection for high correction to
     energy loss (important if a step length is nearly the range)
 
 14 September 11: V.Ivanchenko (emstand-V09-04-43)
 - G4eCoulombScatteringModel - low-limit is increased from 1 eV to
     10 eV; particles below this limit are killed - a protection
     against low-energy particles doing many steps
 
 4 September 11: V.Ivanchenko (emstand-V09-04-42)
 - G4UrbanMscModel95 - L.Urban return back optimisation of step
     limitation using FactorSafety parameter for the UseSafety
     option of step limitation (important for CPU performance
     of default Physics List)
 
 20 August 11: V.Ivanchenko (emstand-V09-04-41)
 - G4UrbanMscModel95 - minor change of arithmetic computation
 
 18 August 11: V.Ivanchenko (emstand-V09-04-40)
 - G4MollerBhabhaModel - removed limitations on cut value to be
                         able to combined with LIvermore and
                         Penelope models
 
 18 August 11: V.Ivanchenko (emstand-V09-04-39)
 - G4eMultipleScattering - G4UrbanMscModel95 become default
 
 08 August 11: V.Ivanchenko (emstand-V09-04-38)
 - G4UrbanMscModel95 L.Urban provided new of tail parameter "c" and
                     removed CPU optimisation near boundary dependent
                     on facsafety, which not allowed to have precise
                     simulation in vicinity of geometrical boundary;
                     V.Ivanchenko added minor optimisation into
                     inline method UpdateCache()
 
 28 July 11: V.Ivanchenko (emstand-V09-04-37)
 - G4PAIxSection, G4InitXscPAI - fixed typo in tag 035
 
 28 July 11: V.Ivanchenko (emstand-V09-04-36)
 -  G4KleinNishinaModel, G4PEEffectFluoModel - initialise deexcitation
    flag;
 -  G4GoudsmitSaundersonMscModel - fixed Coverity warnings
 
 25 July 11: V.Ivanchenko (emstand-V09-04-35)
 - G4PAIxSection, G4InitXscPAI - fixed Coverity tool warnings
 - G4KleinNishinaCompton, G4KleinNishinaModel - added extra protection
   to avoid precision loss in sampling of scattering angle
 
 06 June 11: V.Ivanchenko (emstand-V09-04-34)
 - G4UrbanMscModel95 - L.Urban fixed typo in sampling of theta
                     - V.Ivanchenko optimized UpdateCache computation
                       reducing number of calls to std functions
 
 29 May 11: V.Ivanchenko (emstand-V09-04-33)
 - G4UrbanMscModel95 - fixed FPE problem at low-energy (about 10 eV)
 
 14 May 11: V.Ivanchenko (emstand-V09-04-32)
 - G4WentzelOKandVIxSection - tuned screening function
 - G4GoudsmitSaundersonMscModel - added protection against infinite loop
   for solving equation for the screening parameter (bug#1221)
 
 08 May 11: V.Ivanchenko (emstand-V09-04-31)
 - G4UrbanMscModel95 - enable sampling along the step for displacement
 - G4PEEffectFluoModel - added protection
 - G4KleinNishinaModel - limitFactor is set to 4 (was 10)
 
 27 May 11: V.Ivanchenko (emstand-V09-04-30)
 - G4MollerBhabhaModel - more coherent usage of cut at low-energy
                         for dedx and x-section computation,
                         important for cuts below 1 keV
 - G4eeToTwoGammaModel - added numerical protection in cross section
     computation for very small energy
 
 26 May 11: V.Ivanchenko (emstand-V09-04-29)
 - Fixed source.cmake
 
 26 May 11: V.Ivanchenko (emstand-V09-04-28)
 - Fixed problems in new classes
 
 26 May 11: V.Ivanchenko (emstand-V09-04-27)
 - V.Grichine have added two new classes :
              G4XrayRayleighModel - simplified Rayleigh scattering
              G4DipBustGenerator - bremsstrahlung angular generator
 
 24 May 11: V.Ivanchenko (emstand-V09-04-26)
 - G4BraggModel, G4BraggIonModel - fixed bug introduced in the previous tag
 
 24 May 11: V.Ivanchenko (emstand-V09-04-25)
 - G4BraggModel, G4BraggIonModel - use ASTAR and PSTAR parameterisations
   for moleculas from list of ICRU'49
 
 24 May 11: V.Ivanchenko (emstand-V09-04-24)
 - G4KleinNishinaModel - added extra protection against infinite loop
   during sampling of final state (very low-energy gamma)
 - G4UrbanMscModel95 - disable sampleZ option
 - G4BraggModel, G4BraggIonModel - minor cleanup of the code
 
 16 May 11: V.Ivanchenko (emstand-V09-04-23)
 - G4InitXscPAI,G4IonCoulombCrossSection,G4PAIModel,G4PAIPhotonModel,
   G4PAIxSection, G4PAIySection  - fixed gcc-4.6.0 warnings
 
 04 May 2011: V.Ivant (emstand-V09-04-22)
 - Removed obsolete unused classes: G4ionGasIonisation,
   G4CoulombScatteringModel, G4UniversalFluctuation93,
   G4UrbanMscModel92
 - Fixed Coverity warnings
 - G4NuclearStopping - use new sub-type fNuclearStopping
 
 01 May 2011: V.Ivant (emstand-V09-04-21)
 - G4PhotoElectricEffect, G4ComptonScattering, G4CoulombScattering
   make constructors in the same style
 - G4eplusAnnihilation - disable creation of PhysicsTable - compute
   cross section in run time (no visible CPU penalty, reduced memory)
 
 01 May 2011: V.Ivant (emstand-V09-04-20)
 - G4KleinNishinaModel - removed parasitice printout
 - G4CoulombScattering - removed obsolete unused methods
 
 29 April 2011: V.Ivant (emstand-V09-04-19)
 - G4KleinNishinaModel - fixed compillation warning at SLC4
 
 29 April 2011: V.Ivant (emstand-V09-04-18)
 - G4KleinNishinaModel - fixed infinite loop in new model for 1 keV gamma
 
 27 April 2011: V.Ivant (emstand-V09-04-17)
 - G4UrbanMscModel95 - L.Urban fixed FPE problems in the new model,
   now by default samplez=true (complite sampling of the displacement)
 - G4ModifiedTsai - V. Grichine clean-up of PolarAngle(Tkin,...) method
 
 18 April 2011: V.Ivant (emstand-V09-04-16)
 - Fixed problems of the previous tag
 
 08 April 2011: V.Ivant (emstand-V09-04-15)
 - G4eBremParametrizedModel (A.Schaelicke) - new model
 
 07 April 2011: V.Ivant (emstand-V09-04-14)
 - G4IonFluctuation, G4UniversalFluctuations - replaced Gauss
     sampling by Gamma function sampling
 - G4MollerBhabhaModel - modified parameterisation of dedx at
     very low energy providing more smooth shape
 
 30 March 2011: V.Ivant (emstand-V09-04-13)
 - G4WentzelOKandVIxSection, G4eCoulombScatteringModel - fixed problem
     introduced in previous tags for compounds
 
 29 March 2011: V.Ivant (emstand-V09-04-12)
 - G4WentzelOKandVIxSection - return back to the version of 9.4
 
 29 March 2011: V.Ivant (emstand-V09-04-11)
 - G4UrbanMscModel95 - set samplez=false to avoid numerical problem
 
 28 March 2011: V.Ivant (emstand-V09-04-10)
 - G4UrbanMscModel90, G4UrbanMscModel92, G4UrbanMscModel93,
   G4UrbanMscModel95, G4GoudsmitSaundersonMscModel,
   G4WentzelVIModel - updated G4VMscModel methods signature
 
 25 March 2011: V.Ivant (emstand-V09-04-09)
 - G4UrbanMscModel90, G4UrbanMscModel92, G4UrbanMscModel93,
   G4UrbanMscModel95, G4GoudsmitSaundersonMscModel,
   G4WentzelVIModel - use G4VMscModel methods to compute range
                      and inverse range
 - G4WentzelOKandVIxSection - remove special trietment of e-
 - G4ComptonScattering - use by default old G4KleinNishinaCompton
 
 24 March 2011: V.Ivant (emstand-V09-04-08)
 - G4UrbanMscModel95 - (L.Urban) new version of msc model which
    includes improved sampling of the tail of angular distribution,
    sampling of lateral displacement and true step length
 - G4WentzelOKandVIxSection - fixed sampling of single scattering
 
 22 March 2011: V.Ivant (emstand-V09-04-07)
 - General cleanup - removed MinEnergyCut methods, improved comments
 
 21 March 2011: V.Ivant (emstand-V09-04-06)
 - G4PAIySection - added method ComputeLowEnergyCof and usage of
    this method allowing extend low energy limit of the model down
    to 10 eV (V.Grichine)
 - G4MollerBhabhaModel - cleanup
 - G4ComptonScattering - use G4KleinNishinaModel as a default
 - G4PhotoElectricEffect - use G4PEEffectFluoModel as a default
 - G4KleinNishinaModel - use dynamic selection between high energy
    sampling and sampling with Doppler broading
 - G4GoudsmitSaundersonMscModel - restore version of 9.3ref05
 
 25 February 2011: V.Ivant (emstand-V09-04-05)
 - G4UrbanMscModel90, G4UrbanMscModel92, G4UrbanMscModel93 use
    simpified computation of geom path length if true path length
    is equal to the range (minor CPU improvement and more stable
    computation)
 
 17 February 2011: V.Ivant (emstand-V09-04-04)
 - G4PEEffectFluoModel - comment out parasitic cout
 
 11 February 2011: V.Ivant (emstand-V09-04-03)
 - G4PEEffectFluoModel - fixed K-shell selection (was off by mistake)
 
 01 February 2011: V.Ivant (emstand-V09-04-02)
 - G4MollerBhabhaModel - fixed expression for computation of positron dedx
                         according to PDG formula and original paper
                         (thanks to Nicola Mori)
 
 04 January 2011: V.Ivant (emstand-V09-04-01)
 - G4GoudsmitSaundersonMscModel, G4UrbanMscModel90, G4UrbanMscModel92,
   G4UrbanMscModel93 use recommended method Value(e) to access transport
   cross section instead of obsolete GetValue
 - G4KleinNishinaModel - improved computation of kinematics
 
 23 December 2010: V.Ivant (emstand-V09-04-00)
 - G4IonCoulombScatteringModel, G4GoudsmitSaundersonMscModel,
   G4GoudsmitSaundersonTable - fixed Coverity warnings making more
   pedantic initialisation
 
 29 November 2010: V.Ivant (emstand-V09-03-31)
 - G4IonCoulombScatteringModel, G4IonCoulombCrossSection - C.Consolandi
   added extra screening factor for low-energy heavy ions.
 
 23 November 2010: V.Ivant (emstand-V09-03-30)
 - G4PAIModel, G4PAIySection - V.Grichine fix of a bug in G4_Ar
 
 21 November 2010: V.Ivant (emstand-V09-03-29)
 - G4PEEffectFluoModel, G4KleinNishinaModel - fixed energy balance
 
 17 November 2010: V.Ivant (emstand-V09-03-28)
 - G4ICRU73QOModel (A.Bagulya) - fine tuning for 9.4, low limit is
   reduced from 10 keV to 5 keV
 
 13 November 2010: V.Ivant (emstand-V09-03-27)
 - G4UrbanMscModel90, G4UrbanMscModel92, G4UrbanMscModel93 - added
   warning messages;
 - G4WentzelOKandVIxSection - fixed computation of nuclear form-factor
 - G4eCoulombScatteringModel - fixed computation of nuclear recoil
 
 12 November 2010: V.Ivant (emstand-V09-03-26)
 - G4IonCoulombCrossSection and G4IonCoulombScatteringModel -
   new model of single scattering of ions (C.Consolandi)
 - G4BetheBlochModel - Shell corrections factor according to ICRU'49
                       (returned back to version of 9.3)
 - G4WentzelVIModel - added usage of geometry factor and the option
   UseDistanceToBoundary;
 
 04 November 2010: V.Ivant (emstand-V09-03-25)
 - Fixed warnings of the Coverity tool (pedantic initialisation);
 
 26 October 2010: V.Ivant (emstand-V09-03-24)
 - Fixed problem reported by the Coverity tool (mainly pedantic
   initialisation);
 - G4BetheHeitlerModel, G4PairProductionRelModel - removed unused
   internal table of cross section
 - G4WaterStopping - fixed bug in index of data for Fe ion
 
 14 October 2010: V.Ivant (emstand-V09-03-23)
 - G4ModifiedTsai - added (moved from lowenergy)
 - G4PairProductionRelModel, G4eBremsstrahlungRelModel - return back
      the version of 9.4beta (disable tag 21); use general interface
      to sample polar angular distribution (G4ModifiedTsai - default)
 
 28 September 2010: V.Ivant (emstand-V09-03-22)
 - G4ionIonisation, G4alphaIonisation - removed obsolete nuclear stopping
       flag and Get/Set methods (nuclear stopping is simulated by the
       dedicated G4NuclearStopping process)
 
 12 September 2010: V.Ivant (emstand-V09-03-21)
 - G4BetheBlochModel - fixed shell corrections
 - G4PairProductionRelModel, G4eBremsstrahlungRelModel - fixed
      SetCurrentElement method, fix is important for unit tests
 
 12 August 2010: V.Ivant (emstand-V09-03-20)
 - G4UniversalFluctuation - L.Urban revision of width correction
   providing better results for thin targets and a good tail
 
 14 June 2010:  V.Ivant (emstand-V09-03-19)
 - G4UniversalFluctuation93 new class keeping version of the release 9.3
   for the G4UniversalFluctuation
 - G4UniversalFluctuation - improved comments
 
 11 June 2010:  V.Ivant (emstand-V09-03-18)
 - G4UniversalFluctuation - L.Urban fixed anomaly at the tail of
                            distribution for thin targets
 
 4 June 2010:  V.Ivant (emstand-V09-03-17)
 - G4ICRU73QOModel - fixed problems and add factor for transition to
                     Bethe-Bloch at 2 MeV
 - G4hIonisation - use G4ICRU73QOModel for negatively charged particles
                   below 2 MeV
 - G4BraggModel - above 2 MeV use ICRU'49 parameterisation for all atoms
 
 June 3, 2010, V. Grichine
 - G4PAIModel.cc, G4PAIPhotonModel.cc cout for the model initialisation
 
 1 June 2010:  V.Ivant (emstand-V09-03-16)
 - G4WentzelOKandVIxSection - optimized computation of the transport
                              cross section
 - G4WentzelVIModel - optimized method of step limitation
 
 27 May 2010:  V.Ivant (emstand-V09-03-15)
 - G4BraggIonGasModel, G4BetheBlochIonGasModel - new ionisation models
                       for low density media
 - G4ICRU73QOModel (A.Bagulya) new model for anti-particles
 - G4hIonisation - use G4ICRU73QOModel for anti-particles
 - G4WentzelOKandVIxSection - new class to compute cross sections and
                              sample scattering angle
 - G4WentzelVIModel, G4eCoulombScatteringModel, G4CoulombScatteringModel
                     use new class G4WentzelOKandVIxSection
 
 20 May 2010:  V.Ivant (emstand-V09-03-14)
 - G4UrbanMscModel93 - L.Urban removed randomisation of step limit for the
                       first step in any volume in the case of UseSafety
 - Removed obsolete models: G4UrbanMscModel, G4UrbanMscModel2, G4UrbanMscModel71,
   G4MultipleScattering, G4ComptonScattering52, G4PolarizedComptonScattering
 
 17 May 2010:  V.Ivant (emstand-V09-03-13)
 - G4WentzelVIModel, G4eCoulombScatteringModel - added momentum dependent
        limit of scattering angle between single and multiple scattering
        which allowing to use  G4WentzelVIModel with optical model
        of hadron scattering
 
 17 May 2010:  V.Ivant (emstand-V09-03-12)
 - G4GoudsmitSaundersonMscModel, G4GoudsmitSaundersonTable (O.Kadri) -
        optimized code to improve speed by addition extra class members
 
 30 April 2010:  V.Ivant (emstand-V09-03-11)
 - G4UrbanMscModel93 - L.Urban add randomisation of step limit for the
                       first step in any volume
 
 28 April 2010:  V.Ivant (emstand-V09-03-10)
 G4eBremsstrahlungModel - fixed SelectRandomAtom method (bug report #1115)
 
 26 April 2010:  V.Ivant (emstand-V09-03-09)
 - G4ASTARStopping, G4PSTARTStopping - C-arrays sustituted by G4PhysicsVector
             with spline; reviewed names of materials (G4_He, G4_PHOTO_EMULSION,
             G4_NYLON-6-6)
 - G4ASTARStopping - fixed G4_O data
 - G4PSTARStopping - fixed G4_Pt and G4_PROPANE data
 - G4WaterStopping - cleanup GetElectronicDEDX method
 
 16 April 2010:  V.Ivant (emstand-V09-03-08)
 - G4GoudsmitSaundersonMscModel (O.Kadri) - improved numerical stability
             of computations for small angles by  direct xsection calculation
             not inverse of the inverse angular sampling without large angle
             rejection method longitudinal displacement is computed exactly
             from <z>
 - G4GoudsmitSaundersonTable (O.Kadri)    - improved numerical stability by
             minimum of used arrays in computation within the dichotomy
             finding method
 - G4eMultipleScattering, G4hMultipleScattering - improved printout at
                                                  initialisation
 
 15 April 2010:  V.Ivant (emstand-V09-03-07)
 - G4hMultipleScattering - removed old unused header of G4UrbanMscModel
 - G4ASTARStopping.cc - disabled corrupted data for Oxygen
 
 06 April 2010:  V.Ivant (emstand-V09-03-06)
 - G4eBremsstrahlungRelModel, G4MollerBhabhaModel - set minimum cut
                       value to 0.1 keV
 
 30 March 2010:  V.Ivant (emstand-V09-03-05)
 - G4PolarizedComptonScattering - add message that this process is obsolete
 
 22 March 2010:  V.Ivant (emstand-V09-03-04)
 - G4eBremsstrahlungModel - reduced minThreshold to 0.1 keV
 - G4MollerBhabhaModel - reduced minimum cut value to mean ionisation
                       potential
 
 01 March 2010:  V.Ivant (emstand-V09-03-03)
 - G4WentzelVIModel - added protections, added DefineMaterial() call
                      before computing cross section
 
 31 March 2010:  V.Ivant (emstand-V09-03-02a)
 - G4PolarizedComptonScattering - add message that this process is obsolete
 - G4eCoulombScatteringModel - returned method default value 100 eV of 9.3 for
                               internal low limit
 
 24 February 2010:  V.Ivant (emstand-V09-03-02)
 - make a tag co-working with emutils-V09-03-02
 
 19 February 2010:  V.Ivant (emstand-V09-03-01)
 - G4GoudsmitSaundersonMscModel, G4GoudsmitSaundersonTable (O.Kadri)
       - fixed problems of small angle theta distributions
 
 17 February 2010:  V.Ivant (emstand-V09-03-00)
 - G4CoulombScatteringModel - Added comments to relativistic formula
 - G4eCoulombScatteringModel - Added method SetLowEnergyLimit, default
                               value is set to 1 eV (before was 100 eV)
 - G4CoulombScattering - Removed inclined method SetBuildTableFlag because
                         the method exist in the base class
 
 03 December 09:  V.Ivant (emstand-V09-02-36)
 - G4BetheBlochModel - (A.Lechner) return back commented out CorrectionAlongStep
                       method, returning back to normal ion ranges
 
 03 December 09:  V.Ivant (emstand-V09-02-35)
 - G4CoulombScatteringModel - (C.Consaldi) fixed relativistic formula
 
 27 November 09:  V.Ivant (emstand-V09-02-34)
 - G4ionIonisation - set linLossLimit 0.02
 
 25 November 09:  V.Ivant (emstand-V09-02-33)
 - G4LindhardPartition - moved back to TestEm7
 
 10 November 09:  V.Ivant (emstand-V09-02-32)
 - G4BetheBlochModel - minor speedup inside CorrectionsAlongStep method
 
 10 November 09:  V.Ivant (emstand-V09-02-31)
 - G4BetheBlochModel, G4BraggModel, G4BraggIonModel - remove computations
                        of nuclear stopping power, some CPU speadup
 - G4NuclearStopping - updated process for computation of nuclear stopping
 - G4ICRU49NuclearStoppingModel - model providing computation of nuclear
                       stopping
 
 10 November 09:  V.Ivant (emstand-V09-02-30)
 - Added G4alphaIonisation process
 
 09 November 09:  V.Ivant (emstand-V09-02-29)
 - G4BetheBlochModel, G4MollerBhabhaModel - compute density effect correction
                                            using method of G4IonisParamMat class
                                            applying revised parameterisation
 
 09 November 09:  V.Ivant (emstand-V09-02-28)
 - G4GoudsmitSaundersonMscModel (O.Kadri) - tuning small angle theta distributions
                        assuming the case of lambdan<1 as single scattering regime;
                        tuning theta sampling for theta below the screening angle
 - G4LindhardPartition - moved from TestEm7 to the source
 
 31 October 09:  V.Ivant (emstand-V09-02-27)
 - Added G4UrbanMscModel92, G4UrbanMscModel93 - 9.2 and 9.3 versions
                        version of the Urban model
 - Set default model G4UrbanMscModel92 for G4eMultipleScattering
 - Added warting to obsolete msc classes G4MultipleScattering, G4UrbanMscModel,
                        G4UrbanMscMode2, G4MscModel71
 
 28 October 09:  V.Ivant (emstand-V09-02-26)
 - G4WentzelVIModel, G4eCoulombScatteringModel, G4CoulombScatteringModel - added
                        protection for very low energies
 
 10 October 09:  V.Ivant (emstand-V09-02-25)
 - G4WentzelVIModel and G4eCoulombScatteringModel - changed screening parameters
 
 06 October 09:  V.Ivant (emstand-V09-02-24)
 - G4GoudsmitSaundersonMscModel (O.Kadri) tuning small angle theta distributions
                        assuming the case of lambdan<1 as single scattering regime,
                        tuning theta sampling for theta below the screening angle
 
 02 October 09:  V.Ivant (emstand-V09-02-23)
 - G4eMultipleScattering - use as a default G4UrbanMscModel (the same as in 9.2)
 - G4CoulombScattering - fixed compillation problem
 
 30 September 09:  V.Ivant (emstand-V09-02-22)
 - G4CoulombScattering - added cut per recoil
 - G4BohrFluctuations - change internal parameter minNumberInteractionsBohr
                        from 10 to 2 to provide more smooth transition
                        to Landau regime in the case of small cuts
 - G4eCoulombScatteringModel - added effective mass factor
 
 28 August 09:  V.Ivant (emstand-V09-02-21)
 - G4PAIModel - fixed problem conneted with modifications for
                G4PhysicsVector (removel of hidden bin)
 - G4GoudsmitSaundersonMscModel, G4GoudsmitSaundersonTable - O.Kadri
                speadup computations, in particular, by reducing of
                number of calls to log
 
 12 August 09:  V.Ivant (emstand-V09-02-20)
 - G4PAIModel - fixed problem for high energy connected with bin number
 - G4WentzelVIModel and G4eCoulombScatteringModel - extended low-energy
                cross section to 0.1 keV
 
 27 July 09:  V.Ivant (emstand-V09-02-19)
 - G4WentzelVIModel and G4eCoulombScatteringModel - fixed typo
 
 26 July 09:  V.Ivant (emstand-V09-02-18)
 - G4WentzelVIModel and G4eCoulombScatteringModel - fixed numerical
    problem at very high energy
 - G4PAIModel - fixed problem for the case of several materials
 - G4PAIySection - added protections for numerical exceptions
 
 22 July 09:  V.Ivant (emstand-V09-02-17)
 - G4NuclearStopping and G4ICRU49NuclearStoppingModel are added
 
 20 July 09:  V.Ivant (emstand-V09-02-16)
 - G4GoudsmitSaundersonMscModel - fixed computation of the displacement
 - G4MultipleScattering, G4eMultipleScattering, G4hMultipleScattering
       - moved initialisation of models to the base class
 
 9 July 09:  V.Ivant (emstand-V09-02-15)
 - G4GoudsmitSaundersonMscModel - (O.Kadri) removed extra correcting factor
                                  for sampling in high-Z media
 - G4hMultipleScattering - removed obsolete methods
 
 19 June 09:  V.Ivant (emstand-V09-02-14)
 - G4WaterStopping - (A.Ivantchenko) added Fe ion data
 - G4GoudsmitSaundersonTable - reduce the size of the object file and
                               all standard library
 - G4GoudsmitSaundersonMscModel - (O.Kadri) fixed unphysical peak at
                               very small angles; extend model to 100 TeV
 - G4eCoulombScatteringModel, G4CoulombScatteringModel, G4WentzelVIModel,
                                - (C.Consolandi) fixed kinematic for ion/ion
                                  scattering
 
 19 May 09: V.Ivant (emstand-V09-02-13)
 - G4UrbanMscModel2  - (L.Urban) change in tail parameter
 
 18 May 09:  V.Ivant (emstand-V09-02-12)
 - G4UrbanMscModel2  - (L.Urban) correction in tail tuning using MuScat data
 
 15 May 09:  V.Ivant (emstand-V09-02-11)
 - G4WaterStopping  - fixed Ar data
 - G4PairProductionRelModel - (A.Schaelicke) new relativistic model for
                               gamma conversion
 - G4UrbanMscModel2  - (L.Urban) new version of theta0 and tail tuning
 
 10 May 09: V.Ivant (emstand-V09-02-10)
 - G4WentzelVIModel, G4eCoulombScattering, G4CoulombScattering - added relativistic
                       factor to Reserford cross section; set default limit on
                       kinetic energy of the recoil 100 keV
 
 28 April 09: V.Ivant (emstand-V09-02-09)
 - G4UrbanMscModel2  - (L.Urban) new tuning for the central part and for the
                       tail of the angular distribution using the old e-
                       scattering data only (Phys. Rev. 84 (1951) 634;
                       Phys. Rev. 61 (1942) 254)
                     - corrected logic in ComputeTruePathLengthLimit method
                       for type=fUseDistanceToBoundary
 - G4UrbanMscModel   - frozen version of G4UrbanMscModel2 of g4 9.2
 - G4WentzelVIModel, G4eCoulombScattering  - reduce low-limit from 1 keV to 0.1 keV
                       to provide smooth transport cross section table
 
 23 April 09: V.Ivant (emstand-V09-02-08)
 - G4BetheBlochModel - do not use pointer to GenericIon introduced in the
                       previous tag due to problem of simple PhysLists without ions
 
 20 April 09: V.Ivant (emstand-V09-02-07)
 - G4BetheBlochModel - fixed and simplified initialisation for ions needed for
                       the new G4IonParametrisedLossModel of low-energy package
 - G4GoudsmitSaundersonMscModel - (O.Kadri) cleanup: discarded no scattering and
                       single scattering theta sampling from SampleCosineTheta()
                       which means the splitting step into two sub-steps occur
                       only for msc regime
 
 12 April 09: V.Ivant (emstand-V09-02-06)
 - Simplified initialisation of all models
 - G4UrbanMscModel, G4UrbanMscModel2, G4UrbanMscModel90 - use methods
    of G4VMscModel for interface to geometry
 
 07 April 09: V.Ivant (emstand-V09-02-05)
 - G4IonFluctuations - T.Toshito removed extra phenomenological factor
                       in fluctuation width
 - G4HeatedKleinNishinaCompton - V.Grichine added a prototype model for
                                 plasma
 
 21 March 09: V.Ivant (emstand-V09-02-04)
 - G4UniversalFluctuation - L.Urban introduce modification in width
     correction, the dependence of the correction on energy deposition
     at previous steps is removed (addresses T2K report)
 
 20 March 09: V.Ivant (emstand-V09-02-03)
 - G4GoudsmitSaundersonMscModel fixed compillation problem
 
 12 March 09: V.Ivant (emstand-V09-02-02)
 - G4GoudsmitSaundersonMscModel fixed compillation problem
 - G4UniversalFluctuation - add temporary fix for T2K report
 
 05 March 09: V.Ivant (emstand-V09-02-01)
 - New G4GoudsmitSaundersonMscModel is added
 - G4WentzelVIModel, G4eCoulombScattringModel:
     o substitute scaling of low-energy limit by setting 1 keV for
       all particles;
     o use EGSnrc form of screening parameter (second order correction)
 
 20 February 09: V.Ivant (emstand-V09-02-00)
 - Move all virtual methods from inline to source
 G4PEEffectModel - substitute ComputeMeanFreePath by CrossSectionPerVolume
                   (minor CPU speadup for compound materials)
 G4PAIModel, G4PAIPhotonModel - remove usage of random numbers at
                    initialisation (potential non-reproducibility)
 G4WentzelVIModel - use generic methods of G4VMscModel to access safety
                    and other geometry information
 
 24 November 08: V.Ivant (emstand-V09-01-45)
 G4PSTARStopping, G4ASTARStopping - fixed non-initialized variable
    introduced in the previous tag
 
 19 November 08: V.Ivant (emstand-V09-01-44)
 G4WentzelVIModel - minor fix in lateral displacement
 
 13 November 08: A. Schaelicke (emstand-V09-01-43)
 G4eBremsstrahlung - activate LPM switch for high energy model
 G4eBremsstrahlungRelModel - revised LPMconstant
 G4eBremsstrahlungModel, G4eBremsstrahlungRelModel - (VI) use LPM flag
                                 from the base class
 
 13 November 08: V.Ivant (emstand-V09-01-42)
 G4PSTARStopping - fixed SiO2 and TEFLON data
 G4ASTARStopping - fixed GRAFITE data
 
 29 October 08: V.Ivant (emstand-V09-01-41)
 G4UrbanMscModel, G4UrbanMscModel2, G4UrbanMscModel90, G4WentzelVIModel
   use StepStatus from preStepPoint to identify first step for a given track
   instaed of step number in order to address ATLAS problem of small step
   limits happen with suspended tracks
 
 27 October 08: V.Ivant (emstand-V09-01-40)
 G4UrbanMscModel2 - extra protection for "UseDistanceToBoundary" option
 G4WentzelVIModel - fixed cross section factor for single scattering
 
 23 October 08: V.Ivant (emstand-V09-01-39)
 G4eCoulombScatteringModel and G4WentzelVIModel - added protection against
     precision loss in computation of cross section at high energy
 G4UrbanMscModel2 - fixed screening parameter of the single scattering part
 G4eMultipleScattering - set default RangeFactor = 0.04
 
 22 October 08: V.Ivant (emstand-V09-01-38)
 G4IonFluctuations - added G4UniversalFluctuation model, which are used for
     high energy; added comments and cleanup
 G4BetheBlochModel, G4BraggIonModel - take into account effective change
     change over the step
 G4hIonisation - switch off nuclear stopping for pi and K mesons
 
 20 October 08: V.Ivant (emstand-V09-01-37)
 G4UrbanMscModel2 - return back ref-08 version
 G4IronStopping, G4MaterialStopping, G4SimpleMaterialStopping moved to materials
 G4eBremsstrahlungHEModel - temporary model is removed
 
 17 October 08: V.Ivant (emstand-V09-01-36)
 G4UrbanMscModel2 - use logic of 9.1 version for step limitation
                    option "UseSafety" to fix CPU penalty in sampling
                    calorimeters (L.Urban)
 G4UrbanMscModel2, G4UrbanMscModel, G4UrbanMscModel90 added protection
                    against sampling scattering angle with zero transport
                    cross section
 
 15 October 08: V.Ivant (emstand-V09-01-35)
 For all process classes set sub-types according to the enumeration
 of G4EmProcessSubType.hh, improved cout
 G4UrbanMscModel2 - use screning function from G4eCoulombScatteringModel
 G4eBremsstrahlung - set relativistic model above 1 GeV by default
 G4eBremsstrahlungModel, G4eBremsstrahlungRelModel removed private member
    highEnergyTh and use access method to this threshold in the base class
 
 21 September 08: V.Ivant (emstand-V09-01-34)
 G4BetheBlochModel, G4BraggModel, G4BraggIonModel - simplified new methods
 G4ionIonisation - use the same low-energy model for He ions and GenericIons
                   (like it was in 9.2beta)
 
 16 September 08: V.Ivant (emstand-V09-01-33)
 G4UrbanMscModel, G4UrbanMscModel2, G4UrbanMscModel90 - do not use
    string comparison when compute transport cross section, instead
    compare masses (G.Cosmo)
 
 12 September 08: V.Ivant (emstand-V09-01-32)
 Improved verbose output for processes
 G4IonFluctuations - do not use Poisson sampling
 G4BetheBlochModel, G4BraggModel, G4BraggIonModel - added methods
    GetParticleCharge, GetChargeSquareRatio, CorrectionsAlongStep
    needed for ions; define low and high energy limits inside the model
 G4ionIonisation, G4hIonisation - remove InitialiseMassCharge and
                                  CorrectionsAlongStep methods;
                                  limits of kinetic energy for models
                                  taken from the base class and from
                                  models; separate trietment He ions
 
 09 September 08: V.Ivant (emstand-V09-01-31)
 G4WaterStopping, G4IronStopping, G4MaterialStopping,
 G4SimpleMaterialStopping - use mass number instead of atomic mass
                            (A.Lechner proposal)
 G4eBremsstrahlungModel - Migdal constant set to the vavue of
                          G4eBremsstrahlungRelModel (A.Schaelicke)
 
 28 August 08: V.Ivant (emstand-V09-01-30)
 G4WaterStopping, G4IronStopping - add method AddData to speeed up
      compillation and cleanup
 G4WentzelVIModel - fixed bug in lateral displacement
 
 26 August 08: A.Schaelicke
 G4eBremsstrahlungRelModel
    * define threshold energy for LPM effect
    * fix LPM calculation
    * define Thomas-fermi FF (ala Tsai)
    * some speed improvements
 
 25 August 08: V.Ivant (emstand-V09-01-29)
 G4MaterialStopping, G4SimpleMaterialStopping - fixed compillation
     problem at Windows by adding a new method AddData
 
 25 August 08: V.Ivant (emstand-V09-01-28)
 23 August 08: V.Ivant (emstand-V09-01-27)
 G4UrbanMscModel2 - fixed NaN in sampling of cosine theta for 50 GeV e-
 
 22 August 08: V.Ivant (emstand-V09-01-26)
 Added new classes with stopping data G4MaterialStopping,
       G4SimpleMaterialStopping, G4IronStopping
 
 13 August 08: V.Ivant (emstand-V09-01-25)
 G4eCoulombScatteringModel - added extra protection for precision lost in
                             computation of recoil energy
 G4eBremsstrahlungModel, G4eBremsstrahlungHEModel - define more precise names
                           of models
 
 11 August 08: V.Ivant (emstand-V09-01-24)
 G4IonFluctuations - do not perform loop over elements of material but use
                     effetive Z
 G4UrbanMscModel2 - bug fix in ComputeTruePathLengthLimit (L.Urban)
 
 4 August 08: V.Ivant (emstand-V09-01-23)
 G4eMultipleScattering - allowed to be applied for all changed particles
 G4UrbanMscModel2 - changed name to "UrbanMscUni2"
 G4eCoulombScatteringModel and G4WentzelVIModel - added protections for ions
 G4WaterStopping - added extra data
 
 31 July 08: V.Ivant (emstand-V09-01-22)
 G4WentzelVIModel, G4eCoulombScatteringModel, G4CoulombScatteringModel -
            do not define min and max energy in constructor but use Set
            methods
 G4MultipleScattering, G4eMultipleScattering, G4hMultipleScattering -
            added cout of model names
 G4CoulombScattering - set angular limit of models by Set method
 
 24 July 08: V.Ivant (emstand-V09-01-21)
 G4UrbanMscModel2 - central part of scattering angle (theta0) and
            tail of the scattering angle distribution have been tuned
            using some e- and proton scattering data (L.Urban)
 
 21 July 08: V.Ivant (emstand-V09-01-20)
 G4eCoulombScatteringModel, G4CoulombScatteringModel  - added usage of
          G4ElementSelector vector, do not use A in SetupTarget method
 G4WentzelVIModel - do not use A in SetupTarget method
 
 16 June 08: V.Ivant (emstand-V09-01-19)
 G4PAIPhotonModel - change model name
 G4MultipleScattering71 - move inline virtual method to source to avoid
                          compillation warning
 
 14 June 08: V.Ivant (emstand-V09-01-18)
 - G4CoulombScattering - added SetHEModelLimit method to provide more easy
                         initialisation
 
 11 June 08: V.Ivant (emstand-V09-01-17)
 - G4eCoulombScatteringModel - SelectIsotope method moved from the derived
     class and sampling of the recoil ion is performed
 - G4CoulombScatteringModel - SelectIsotope method moved to the base class
 - G4PAIxSection - new functions for resonance and Rutherford collisions
 - G4IonFluctuations - fixed index
 - G4ionIonisation - use G4BraggModel for low-energy ions heavier than He
 - G4hIonisation - build separate tables for kaons to allow use hadron
                   bremsstrahlung and pair production by kaons
 
 2 June 08: V.Ivant (emstand-V09-01-16)
 - G4IonFluctuations - added method SetParticleAndCharge
 - G4ionIonisation, G4ionGasIonisation - added pointer to G4IonFluctuations
              and use of method SetParticleAndCharge; compute nuclear
              stopping before adding corrections
 
 20 May 08: V.Ivant (emstand-V09-01-15)
 - G4IonFluctuations - summed fluctuation of components of a mixture instead
                       of computation for average Z
 - G4BetheBlochModel - added projectile form-factor in computation of max
                       energy transfer and in sampling of the energy of e-
 
 13 May 08: A.Schaelicke
 - G4eBremsstrahlungHEModel - new model, which is an extension of the standard
                              bremsstrahlung model using a more sophisticated
                              LPM approach
 
 09 May 08: V.Ivant (emstand-V09-01-14)
 - G4hMultipleScattering - added method AlongStepGetPhysicalInteractionLength
     in which for ions scaled energy normalized to one nucleon is used
 - G4ionGasIonisation - fixed bug in update of the dynamic charge of
                         an ion
 
 21 April 08: V.Ivant (emstand-V09-01-13)
 - G4WentzelVIModel - new model of multiple scattering
 - G4WaterStopping - use spline
 - G4hMultipleScattering - do not build tables for particles with mass > GeV
 - G4ionIonisation, G4ionGasIonisation - updated usage of high order
                                         corrections
 - G4CoulombScattering, G4eCoulombScatteringModel - use new parameter
                                                    polarAngleLimit
 
 9 April 08: V.Ivant (emstand-V09-01-12)
 - G4UrbanMscModel, G4UrbanMscModel90 - fixed assymetry in transverse
     displacement
 - G4eCoulombScatteringModel - fixed bug for compounds
 
 31 March 08: V.Ivant (emstand-V09-01-11)
 - G4eCoulombScatteringModel - use SelectAtomRandomly method
 - G4UrbanMscModel2 (L.Urban):
            - Simplification of step limitation in ComputeTruePathLengthLimit,
              + tlimitmin is the same for UseDistancetoBoundary and UseSafety
            - Reorganization of SampleCosineTheta + new method SimpleScattering
              SimpleScattering is used if the relative energy loss is too big
              or theta0 is too big (see data members rellossmax, theta0max)
            - Tuning of the correction factor in ComputeTheta0
            - exponent c of the 'tail' model function is not equal to 2 any more,
              value of c has been extracted from some e- scattering data
            - Step limitation in ComputeTruePathLengthLimit has been
              simplified further + some data members have been removed
 
 25 March 08: V.Ivant (emstand-V09-01-10)
 - G4BetheBlochModel - use formfactor for sampling
 - G4eCoulombScatteringModel - remove unsued array
 
 25 March 08: V.Ivant (emstand-V09-01-09)
 - G4ionIonisation - use default linLossLimit of 9.1
 - G4hIonisation - use G4IonFluctuations at low energies
 - G4IonFluctuations - fixed computation of corrections
 - G4BetheBlochModel - finite size correction is taken into
   account both for delta-electron cross section and DEDX
 - G4eCoulombScatteringModel - reorganize and cleanup computation
   of cross section
 
 14 March 08: V.Ivant (emstand-V09-01-08)
 - G4UrbanMscModel2 - L.Urban fix assymetry in lateral displacement
 - G4UrbanMscModel90, G4MscModel71 - fixed warnings for gcc 4.3.0
 
 10 March 08: V.Ivant (emstand-V09-01-07)
 - G4MultipleScattering, G4hMultipleScattering, G4UrbanMscModel,
   G4UrbanMscModel2, G4UrbanMscModel90 uses G4VMscModel interface
 - G4eMultipleScattering - new process specialized for e+,e-
 
 06 March 08: V.Ivant (emstand-V09-01-06)
 - G4UrbanMscModel2 is cloned from G4UrbanMscModel
 - SubType for all processes is initialized
 
 20 February 08: V.Ivant (emstand-V09-01-05)
 G4eCoulombScatteringModel - speedup run-time computations using
   precomputed nuclear form-factors per element
 
 14 February 08: V.Ivant (emstand-V09-01-04)
 - G4ionIonisation, G4ionGasIonisation - use new method to compute
   corrections: IonHighOrderCorrections
 - G4BetheBlochModel - when computing dedx for ions use new
   method IonBarkasCorrection
 - G4IonFluctuations - added protection to the computation of
   the correction factor to dispersion which provide smooth
   transition to small velocities of an ion
 
 04 February 08: V.Ivant (emstand-V09-01-03)
 - G4hIonisation, G4ionIonisation, G4ionGasIonisation - add extra
    protections in computation of non-ionizing energy loss
 
 04 February 08: V.Ivant (emstand-V09-01-02)
 G4IonFluctuations - added protection in computation of dispersion
   on allowing have a corrected dispersion below Bohr value
 
 16 January 08: V.Ivant (emstand-V09-01-01)
 G4PAIModel, G4PAIPhotonModel - added an extra protection guaranteed
  correct usage of the last bin of the table of energy transfers
 
 14 January 08: V.Ivant (emstand-V09-01-00)
 - G4hIonisation, G4ionIonisation, G4ionGasIonisation - fixed
    computation of non-ionizing energy loss: at the last ionization step
    and at energies above 2 MeV for protons;
 - G4eCoulombScatteringModel - use more safe numerical expression
 
 07 December 07: V.Ivant (emstand-V09-00-22)
 G4UrbanMscModel90 is created on base of G4UrbanMscModel of release 9.0
 G4hMultipleScattering uses G4UrbanMscModel90
 
 30 November 07: V.Ivant (emstand-V09-00-21)
 G4UrbanMscModel - L.Urban fix sign of mean scattering angle for
                   negatively changed particles
 
 29 November 07: V.Ivant (emstand-V09-00-20)
 G4UrbanMscModel - added extra protection in sampling of angle - no
                   sampling if mean angle below tausmall
 
 28 November 07: V.Ivant (emstand-V09-00-19)
 G4UrbanMscModel - L.Urban added extra protection in sampling of angle
             to avoid NaN
 G4eCoulombScatteringModel - added a protection against precision lost
 
 22 November 07: V.Ivant (emstand-V09-00-18)
 G4UrbanMscModel - change parameter tausmall to avoid lost of numerical
                   precision and NaN values
 
 20 November 07: V.Ivant (emstand-V09-00-17)
 G4eCoulombScatteringModel - fixed crash happens at initialisation when
                             several elements with the same Z are defined
 
 11 November 07: V.Ivant (emstand-V09-00-16)
 G4eCoulombScatteringModel - fixed computation of transport cross section
 
 09 November 07: V.Ivant (emstand-V09-00-15)
 - G4ionIonisation, G4ionGasIonisation, G4CoulombScatteringModel:
   fill NIEL energy deposit
 
 29 October 07: V.Ivant (emstand-V09-00-14)
 - G4UrbanMscModel (V.Ivanchenko) - fixed nan for heavy ions introduced
                              in previous tag
 
 27 October 07: V.Ivant (emstand-V09-00-13)
 - G4eCoulombScatteringModel, G4CoulombScatteringModel use precomputed
   Z^1/3 and log(A) values to speed up the code; revised nuclear size
   correction
 
 - G4UrbanMscModel (L.Urban):
          - changed initialisation for ions - parameters are protected
            from modification
          - use sampleScattering method instead of SampleSecondaries
          - use different correction to Highland formula for different
            particle type (electron, muons, others)
          - tuning ComputeGeomPathLength in order to get better low
            energy behavior for heavy particles (mu, hadrons)
          - small modification of theta0 in ComputeTheta0 (based on data)
          - some old inconsistency/bug has been cured in SampleCosineTheta
            now the variable prob is always in [0,1]
 
 08 October 07: V.Ivant (emstand-V09-00-12)
 - G4eCoulombScatteringModel, G4CoulombScatteringModel
   - add cut dependence for scattering off electrons
         - reorganized protected methods
 
 02 October 07: V.Ivant (emstand-V09-00-11)
 G4eplusAnnihilation - enable AtRest
 G4PAIModel - general cleanup, fixed memory leak
 G4PAIySection - a new class which substitutes G4PAIxSection,
                 this class is free of memory leak
 
 27 Septamber 07: V.Ivant (emstand-V09-00-10)
 G4IonFluctuations - added dependence on cut in the formula of width on cut,
   reduces cut dependence of Bragg peak width for ions; use Fermi energy
   from G4Material
 G4BohrFluctuations - minor cleanup
 
 26 Septamber 07: V.Ivant (emstand-V09-00-09)
 G4PAIphotonModel, G4PAIModel - fixed MaxSecondaryEnergy method for
   e- and e+ and use it for definition of max energy transfer;
   added control on all cout by fVerbose;
 
 28 August 07: V.Ivant (emstand-V09-00-08)
 - G4eCoulombScatteringModel - fixed compilation warning
 
 15 August 07: V.Ivant (emstand-V09-00-07)
 - G4eCoulombScatteringModel and G4CoulombScatteringModel - fixed bug in
   computation of screening parameters in SampleSecondary method;
   reorganized initialisation of kinematics and screening parameters;
   used Z(Z+1) factor to take into account scattering off e-
 
 13 August 07: V.Ivant (emstand-V09-00-06)
 - G4CoulombScatteringModel - fixed bug in kinematic of final state
 - G4ionIonisation - add protected methods BetheBlochEnergyThreshold()
                     and NuclearStoppingFlag()
 - G4ionGasIonisation - added complete implementation of the method
                        CorrectionsAlongStep() and do not call base class
 - G4UrbanMscModel - tail of angular distribution modified; compare (L.Urban)
                     safety with zero after lateral displacement (VI)
 
 02 August 07: V.Ivant (emstand-V09-00-05)
 -  G4UrbanMscModel - compare safety not with 0 but with tlimitminfix
 
 31 July 07: V.Ivant (emstand-V09-00-04)
 - G4CoulombScatteringModel - introduce energy threshold between models
    with and without nuclear recoil
 - G4eCoulombScatteringModel - add array to cash screen parameters
 - G4CoulombScatteringModel - fix bug in SamplingSecondaries
 
 30 July 07: V.Ivant (emstand-V09-00-03)
 30 July 07: L.Urban
 -  G4UrbanMscModel - new, simpler model functions to describe the angular
    distribution; theta0 of this distribution has been changed too (now
    the form of theta0 is the same as in the Highland formula, but the
    parameter values are different for e+/e- and the other (heavy) particles;
    the change for the UseDistanseToBoundary case: tlimitmin = 10 stepmin;
    some cosmetics in ComputeTruePathLengthLimit.
 
 28 July 07: V.Ivant (emstand-V09-00-02)
 - G4eCoulombScatteringModel - updated screen radius model
 - G4ionIonisation - remove obsolete method DefineMassCharge
 - G4ionGasIonisation - new ion ionisation process with descrete ion charge and
                        no equilibrium between ion and media
 - G4BraggModel, G4BraggIonModel - more safe computation of scattering angle
 
 16 July 07: V.Ivant (emstand-V09-00-01)
 - G4CoulombScattering - update InitialiseProcess and PrintInfo methods
   to ensure parameters of models change between runs and more clear cout
 - G4eCoulombScatteringModel, G4CoulombScatteringModel - added nuclear size
   effect; added separate simulation of scattering on atomic electrons taking
   into account cuts; fixed cross section for compounds.
 
 13 July 07: V.Ivant (emstand-V09-00-00)
 - G4UniversalFluctuation - added protection such that no sampling of
   fluctuations is done if mean energy loss at the step is below minimal
   excitation energy of the media. The fix is important for cases of
   low-dense gases and very small steps.
 
 19 June 07: V.Ivant (emstand-V08-03-10)
 - G4UrbanMscModel for skin > 0 use range instead of TrueStepLimit
   for computation of distance to boundary, this provides stable
   step limitation by GeomFactor (L.Urban)
 
 11 May 07: V.Ivant (emstand-V08-03-09)
 - G4MultipleScattering, G4hMultipleScattering - substitute name
   "G4v71" -> "Minimal"
 
 29 May 07:  V.Ivanchenko (emstand-V08-03-08)
 - G4MultipleScattering, G4hMultipleScattering - fix initialisation
   of lateral displacement (bug introduced in previuos tag)
 
 23 May 07:  V.Ivanchenko (emstand-V08-03-07)
 - In all processes inherit from G4VEnergyLossProcess or G4VEmProcess
   remove method SecondaryPostStep;
 - G4eBremsstrahlung - remove definition of gamma threshold from constructor,
   define this parameter at initialisation of the process from
   G4LossTableManager
 - G4eeToTwoGammaModel use fParticleChange inside SampleSecondaries
 
 22 May 07:  V.Ivanchenko (emstand-V08-03-06)
 - G4VEmModel - changed interface of SampleSecondary method, it become
   void, extra parameter std::vector<G4DynamicParticle*>*, all
   classes using or inhereting this interface are modified.
   About 5% speedup of EM shower simulation
 
 21 May 07:  V.Ivanchenko (emstand-V08-03-05)
 - G4ionIonisation - added InitialiseMassCharge method; remove
       GetMeanFreePath implementation
 
 20 May 07:  V.Ivanchenko (emstand-V08-03-04)
 - G4ionIonisation - added NuclearStopping flag
 
 18 May 07:  V.Ivanchenko (emstand-V08-03-03)
 - remove obsolete G4VeEnergyLoss and G4VhEnergyLoss
 
 18 May 07:  V.Ivanchenko (emstand-V08-03-02)
 - G4MultipleScattering, G4hMultipleScattering - reorganized methods
                                                 for setting msc
                                                 parameters
 - G4UrbanMscModel - reorganized initialisation; use G4MscStepLimitType
                     enumerator to choose step limit algorithm
 
 
 16 May 07:  V.Ivanchenko (emstand-V08-03-01)
 - Remove obsolete classes G4GammaConversion52,
   G4PhotoElectricEffect52, G4eBremsstrahlung52, G4eIonisation52,
   G4eplusAnnihilation52, G4hIonisation52, G4MultipleScattering52
 - G4ionIonisation - add data for stopping only for GenericIons
 
 11 May 07:  G.Cosmo (emstand-V08-03-00)
 - Use call to G4GeometryTolerance instead of kCarTolerance in PAI classes.
 - Requires tag "global-V08-03-00" and related tag set.
 
 10 May 07:  V.Ivanchenko (emstand-V08-02-16)
 - G4UrbanMscModel - Fix bug - restore performance of EMV PhysicsLists
 
 01 May 07:  V.Ivanchenko (emstand-V08-02-15)
 - G4UrbanMscModel - L.Urban: optimisation of step limitation for skin>0
                              (about 5% CPU save)
 
 24 April 07:  V.Ivanchenko (emstand-V08-02-14)
 - G4MultipleScattering - use by default skin=0, because the current
                    interface to G4SafetyHelper does not allow
                          it to provide a valid step in the case of
                          magnetic field
 
 23 April 07:  V.Ivanchenko (emstand-V08-02-13)
 - G4UrbanMscModel - L.Urban: stepping near to boundaries has been
                     changed back in order to have small steps
                     with single scattering before+after boundary
                     for skin > 1.
 
 12 April 07:  V.Ivanchenko
 - G4UrbanMscModel - use unique G4SafetyHelper; clean up logic in
                     ComputeTruePathLengthLimit.
 
 04 April 07: V.Ivanchenko (emstand-V08-02-12)
 - G4UniversalFluctuation - L.Urban:correction of the algorithm
                            in order to have better width.
                            The width of the energy loss distribution
                            agree rather well with the data.
 
 24 April 07:  V.Ivanchenko (emstand-V08-02-11a)
 - G4MultipleScattering   - set default skin=0 for 8.3
 
 22 March 07: V.Ivanchenko (emstand-V08-02-11)
 - G4MultipleScattering   - use skin parameter from the base class
 - G4UniversalFluctuation - L.Urban: minor optimisation
 
 20 March 07: V.Ivanchenko (emstand-V08-02-10)
 - G4hMultipleScattering - remove SetSkin method, which is implemented
                           in the base class - allowing skin>0
 
 - G4UniversalFluctuation- L.Urban: 'GLANDZ' part of the fluct. model
                       has been completely rewritten, there is no
                       separate very small loss regime any more.
                       The effect of this update is the far better
                       stability of the result against the changes
                       in the cut and changes in the stepsize.
 
 - G4eBremsstrahlungModel - add reinitialisation of LPM flag (VI)
 
 24 February 07: V.Ivanchenko (emstand-V08-02-09)
 - G4MultipleScattering - remove SetSkin method, which is implemented
                          in the base class - allowing skin>0
 
 03 March 07
 - G4UrbanMscModel - single scattering allowed near to boundaries only,
                     not everywhere
 
 24 February 07: V.Ivanchenko (emstand-V08-02-08)
 - G4UrbanMscModel - L.Urban step reduction before boundary for
               geomlimit<geombig only
 
 23 February 07: V.Ivanchenko (emstand-V08-02-07)
 - G4hIonisation - remove dependence on K+ and K- particles
 - G4BetheHeitlerModel - for any initial energy select atom of the material
                         on which conversion occur (needed for
                         polarisation library)
 - G4UrbanMscModel - use tPathLength inside ComputeStep instead of geombig
 
 15-Feb-07:
 - G4UrbanMscModel - L.Urban: small steps with single scattering before and
                     after boundary for skin > 1, for skin=0 and skin=1
                     it works as earlier
 
 15 February 07: mma (emstand-V08-02-06)
 - G4eBremsstrahlungModel: correct LPMconstant by factor 2, thanks to G. Depaola
 
 13 February 07: V.Ivanchenko (emstand-V08-02-05)
 12 February 07:
 - G4UrbanMscModel - L.Urban: stepping algorithm changed for skin=0,
                     now there are 3 stepping mode :
                     stepping a la 7.1
                     skin=0 designed for high energy simulations with
                            or without magnetic field
                     skin=1 designed for 'precision' simulations
                            without magnetic field (default)
 
 06 February 07: V.Ivanchenko (emstand-V08-02-04)
 - G4UrbanMscModel - L.Urban : fix in the single scattering code for heavy
                               particles, now the code can be used with
                               skin=1 e+/e- and for heavy particles as well.
 
 - G4MultipleScattering - allow reinicialisation of model parameters between runs
 - G4UrbanMscModel - V.Ivanchenko add extra protection inside SampleDisplacement
                                  move SetMscStepLimitation from header to source
                                  and add inside extra initialisation
                     L.Urban      add protection for case when energy loss
                                  inactivated; fix computation of skindepth value
 
 29 January 07: V.Ivanchenko (emstand-V08-02-03)
 - G4UrbanMscModel - V.Ivanchenko add protections agains NaN values
                     in two places: protection of lateral displacement,
                     sampling of theta when tau = 0;
                     add protection inside ComputeTrueStepLength for
                     the case very small (zero) geometry length
                     true length set equal to geometry length
 
 19 January 07: V.Ivanchenko (emstand-V08-02-02)
 - G4UrbanMscModel - L.Urban add protection inside lateral displacement
                     sampling against case TrueStepLength < GeomStepLength
 
 18 January 07: V.Ivanchenko (emstand-V08-02-01)
 - Fix crash in PrintInfo methods
 - G4UrbanMscModel - remove Locate call to navigator
 
 15 January 07: mma (emstand-V08-02-00)
 - use SetEmModel(index) add SetFluctModel() from G4VEnergyLossProcess
   in eIonisation, hIonisation, ionIonisation, eBremstrahlung
 
 04 Dec 06:  V.Ivanchenko (emstand-V08-01-16)
 - G4UrbanMscModel - fix in ComputeTruePathLengthLimit stepmin=1.e-6*mm
   (L.Urban)
 
 23 Nov 06:  V.Ivanchenko (emstand-V08-01-15)
 - G4MultipleScattering - set default skin=1 only for e+-,
   for all other particles default skin=0
 
 20 Nov 06: V.Ivanchenko (emstand-V08-01-14)
 20 Nov 06:
 - G4UrbanMscModel - fix in the single scattering part of SampleCosineTheta,
   now there is single scattering just before boundary crossings (and not
   inside a volume)
 
 15 Nov 06: V.Ivanchenko (emstand-V08-01-13)
 - G4UrbanMscModel - fix NaN inside SampleCosineTheta (L.Urban)
 
 10 Nov 06: V.Ivanchenko (emstand-V08-01-12)
 07 Nov 06:
 - G4UrbanMscModel - some optimization in ComputeTruePathLengthLimit,
   fixes in ComputeGeomPathLength, SampleCosineTheta (L.Urban)
 
 31 Oct 06: V.Ivanchenko (emstand-V08-01-11)
 - G4UrbanMscModel is changed to work with new approach of parallel
                   navigation (j.Apostolakis)
 
 26 Oct 06: V.Ivanchenko (emstand-V08-01-10)
 - G4hMultipleScattering - new class configured for hadrons
 - G4eCoulombScatteringModel - set cross section const below 1 keV
 
 23 Oct 06: V.Ivanchenko (emstand-V08-01-09)
 - G4BraggIonModel - reduce lowest energy for parameterisation to 0.25 keV
 23 Oct 06: L.Urban
 - G4MultipleScattering - parameter skin = 1 by default,
 - G4UrbanMscModel - more effective safety update in SampleSecondaries,
   + come cosmetics.
 
 20 Oct 06: V.Ivanchenko (emstand-V08-01-08)
 - G4CoulombScatteringModel inherit from G4eCoulombScatteringModel,
   screening parameter computation is done in inline function
 - G4eeToTwoGammaModel - introduce member theGamma
 
 20 Oct 06: L.Urban cleanup of msc
 - theta0 parameter for SampleCosineTheta is computed in a public
   function ComputeTheta0;
 - default value of skin = 0 (there is no small step with single scattering if
   skin <=0, and there are ~skin small steps if skin >0
 - no z sampling in ComputeGeomPathLength by default
 - correction in the single scattering part, allowing not only small angles now
 - PostStep ComputeSafety(pos) is used
 
 16 Oct 06: V.Ivanchenko (emstand-V08-01-07)
 - Add extra protection to G4eplusAnnihilation52
 - Add warning to all processes 52 and 71 type
 
 16 Oct 06: L.Urban
 - new msc version (G4MultipleScattering, G4UrbanMscModel):
   -  Stepping has been modified:
      -  min. steplimit in 8.1: tlimitmin = max(lambda/25, 5 nanometer)
                   now        : tlimitmin = max(lambda/25, 1.01*stepmin)
            where stepmin ~ lambda elastic
 
      - possibility to have extreme small step(s) before boundary crossing
        this feature is not active by default;
        it can be activated by setting the data member "skin" to a
        non-negative value, steplimit = stepmin, if the distance to the boundary
        (in the original direction) is smaller than skin*stepmin;
 
      - the step restriction is weaker for particles with higher energy,
        i.e. bigger effective facrange value is used in this case
        in 8.0/8.1 this 'scaling' depends on Tkin, new version :
        scaling depends on lambda, giving smaller material dependence
 
   - Angular distribution has been changed:
 
      - single/plural scattering for step <= stepmin
        (in this case t = z + no lateral displacement)
 
      - parameter theta0 has been (sligtly) modified
 
      - tail of the distribution has been modified, now the parameter
        describing the tail is material (i.e. Z) dependent
 
 14 Sept 06: mma (emstand-V08-01-06)
 - move the function SetModel() in G4VEmProcess
 
 09 Sept 06: mma (emstand-V08-01-05)
 - add/modify the function SetModel() in G4PhotoElectric, G4ComptonScattering,
   G4GammaConversion, G4eplusAnnihilation
 
 08 Sep 06: V.Ivanchenko (emstand-V08-01-04)
 - Bug fixed in PAI model concerning Tmax for electrons and positrons. Tmax
   is defined  now for each particle independently (V.Grichine)
 
 30 Aug 06: V.Ivanchenko (emstand-V08-01-03)
 - Provide changings required for new processes/models with  polarization:
   G4KleinNishinaCompton - make some members protected
   G4MollerBhabhaModel - make some members protected
   G4eBremsstrahlungModel - reorganize SelectRandomAom method and make
   some members protected
 
 29 Aug 06: V.Ivanchenko (emstand-V08-01-02)
 - Fix problem of positron zero incident energy in G4eeToTwoGammaModel
 - Add extra protection inside G4BetheBlochModel
 
 19 Aug 06: V.Ivanchenko (emstand-V08-01-01)
 - Fix energy non-conservation in G4PAIModel for positrons (V.Grichine)
 
 08 Aug 06: V.Ivanchenko (emstand-V08-01-00)
 - Fix problems and add comments in the classes prototype Coulomb
   elastic scattering:  G4CoulombScattering,  G4CoulombScatteringModel,
   G4eCoulombScatteringModel
 - Set default limit on scattering angle to zero
 
 22 May 06: V.Ivanchenko (emstand-V08-00-25)
 - G4eBremsstrahlung - use gammaThreshold from G4LossTableManager for
   more easier initialisation (CMS request)
 
 17 May 06: V.Ivanchenko (emstand-V08-00-24)
 - G4UrbanMscModel - L.Urban improve scattering in thin layers
 - G4ASTARStopping, G4PSTARStopping improve comments
 
 15 May 06: V.Ivanchenko (emstand-V08-00-23)
 - G4MollerBhabhaMOdel - fix MinEnergyCut
 
 13 May 06: V.Ivanchenko (emstand-V08-00-22)
 - G4WaterStopping - data for light ion stopping in water
 - G4ionIonisation - add possibility top use user data on stopping power
 
 11 May 06: L.Urban
 - G4MultipleScattering : values of data members tkinlimit, factail
   has been changed
 - G4MscUrbanModel : new data members, changes in ComputeTruePathLengthLimit
   and in SampleCosineTheta,
   name of data member safety has been changed to presafety.
 
 10 May 06: V.Ivanchenko (emstand-V08-00-21)
 - G4MultipleScattering and G4MscUrbanModel - provide a possibility of
   reinitialisation of facrange and steppingAlgorithm parameters
   between runs;
 - Fix compilation warning at SUN;
 
 04 May 06: V.Ivanchenko (emstand-V08-00-20)
 - G4BetheBlochModel - use different formula for muons and hadrons for tmax (VI)
 - G4UrbanMscModel - fix SUN compilation warning (VI)
 
 26 April 06: V.Ivanchenko (emstand-V08-00-19)
 - G4PSTARStopping and G4ASTARStopping - new classes with NIST data on stopping
   powers are used by G4BraggModel and G4BraggIonModel
 - G4hIonisation - spin/mass effect update
 
 05 April 06: V.Ivanchenko (emstand-V08-00-18)
 G4hIonisation - VI add mass and spin effects (important for pion ionisation)
 G4SynchrotronRadiation is moved to xrays and GNUmakefile is modified accordingly
 30 March 06 : V.Grichine
 G4SynchrotronRadiation - bug fixed for unit polarisation in PostStepDoIt
 
 28 March 06: V.Ivanchenko (emstand-V08-00-17)
 - G4eBremsstrahlungModel - fix problem of energy loss calculation below 10 MeV
 - G4KleinNishinaModel - remove upper energy limit to have a smooth cross section
 27 March 06 : V.Grichine, G4SynchrotronRadiation updated to set polarisation and
               new methods for angular distribution
 - G4PAImodel and G4PAIPhotonMOdel fixes important for very low energy hadrons (VG)
 
 23 March 06: V.Ivanchenko (emstand-V08-00-16)
 23 March 06: L.Urban
 - bugfix in the SampleCosineThete method in G4UrbanMscModel
 
 
 21 March 06 : V.Ivanchenko (emstand-V08-00-15)
 - G4eBremsstrahlungModel - fix problem of initialisation in the case when
   cuts are not defined (needed for Extrapolator and for unit tests)
 - add prototypes of elastic Coulomb scattering - only for testing
 
 13 March 06 : V.Ivanchenko (emstand-V08-00-14)
 - G4UrbanMscModel - fix problem of non-initialised variable
 
 09 March 06 : V.Ivanchenko (emstand-V08-00-13)
 - G4MultipleScattering - Make steppling alg be active for ions by default
 09 March 06 : V. Grichine
 - update of G4SynchrotronRadiation methods for calculation of
   integral number spectrum
 
 07 March 06 : V.Ivanchenko (emstand-V08-00-12)
 - Remove G4MscModel
 - Use G4UbbanModel for G4MultipleScattering
 
 07 March 06 : V.Ivanchenko (emstand-V08-00-11)
 - Fix bug in cross section in G4MscModel71 introduced in 08-00-10
 - Create G4UrbanMscModel and optimize interface for msc models
 04 March 06 : V. Grichine
 - update of G4SynchrotronRadiation to work in locally (in a volume)
   set magnetic field
 
 17 February 06 : V.Ivanchenko (emstand-V08-00-10)
 - G4MscModel and G4MscModel71 - compute really transport cross section,
   not mfp
 
 16 February 06 : L.Urban (emstand-V08-00-09)
 - G4MultipleScattering: set function for data member factail,
   z sampling by default
 - G4MscModel: data members b, xsi removed, code cleaning,
   revised 'z' sampling and samplez = true by default
 
 15 February 06 : mma (emstand-V08-00-08)
 - added functions G4BraggModel::ComputeCrossSectionPerElectron/Atom()
 - added functions G4BraggIonModel::ComputeCrossSectionPerElectron/Atom()
 - remove obsolete G4SCProcessorStand (V.Ivanchenko)
 
 11 February 06 : mma (emstand-V08-00-07)
 - added functions G4BetheBlochModel::ComputeCrossSectionPerElectron/Atom()
 - move G4LossTableManager::Instance()->EmCorrections() in constructor
 
 08 February 06 : mma (emstand-V08-00-06)
 - G4hIonisation52, G4eIonisation52, G4eBremsstrahlung52 : the functions
   ComputeCrossSectionPerAtom() and ComputeRestrictedMeandEdx() are made public.
 - added test programs : CrossSectionStd.cc and CrossSectionV52.cc
 
 07 February 06 : mma
 - added function  G4PEEffectModel::ComputeMeanFreePath()
 - added functions G4eeToTwoGammaModel::ComputeCrossSectionPerElectron/Atom()
 - added functions G4MollerBhabhaModel::ComputeCrossSectionPerElectron/Atom()
 - added function  G4eBremsstrahlungModel::ComputeCrossSectionPerAtom()
 
 02 February 06 : mma
 - G4BetheHeitlerModel : remove InitialiseCrossSectionPerAtom()
 
 31 January 06 : mma (emstand-V08-00-05)
 - emstand-V08-00-04 + emstand_p01-V08-00-00
 
 30 January 06 : mma (emstand_p01-V08-00-00)
 - build on top of geant4-08-00-ref-00
 - G4PolarizedComptonScattering : return G4ComptonScattering52::PostStepDoIt()
 
 26 January 05: V.Ivant (emstand-V08-00-04)
 26 January 06: V. Grichine
 - fix nan value for delta direction for the case of zero cut
 
 25 January 05: mma (emstand-V08-00-03)
 - G4eplusAnnihilation::AtRestDoIt() : remove cut dependance
 
 24 January 05: V.Ivant (emstand-V08-00-02)
 24 January 06: V. Grichine
 - fVerbose for G4PAIModel providing hiding of some technical messages
 
 20 January 05: V.Ivant (emstand-V08-00-01)
 19 January 06: L.Urban
 - G4MultipleScattering: value of facgeom changed (4 -> 3.5)
                         tlimitmin = facrange*50*micrometer
   G4MscModel: tail of angular distribution changed
 
 10 January 05: V.Ivant (emstand-V08-00-00)
 - substitute the method SetStepLimits by SetStepFunction
 - move initialisation of default values to the constructor
 
 12 December 05: L.Urban (emstand-V07-01-30)
 
 - G4MultipleScattering: data member rangecut removed, step limit
                         does not depend on cut any more
 
  8 December 05: mma (emstand-V07-01-29)
 - G4MultipleScattering: world is now: navigator->GetWorldVolume()
 
  7 December 05: mma (emstand-V07-01-28)
 - G4MultipleScattering: tlimitmin = facrange*rangecut(e-) for every particle
 - rangecut computed using index instead of particle name
 - volume name World removed
 
  5 December 05: mma (emstand-V07-01-27)
 - particleChange.SetProposedKineticEnergy(0.) for killed particle in
   G4PEEffectModel, G4BetheHeilterModel, G4eplusAnnihilation.
 
 
  1 December 05: V.Ivant (emstand-V07-01-26)
 - G4MultipleScattering - add control on verbosity inside SetStepLimitation
                          and extend PrintInfo output
 
 30 November 05: G.Cosmo (emstand-V07-01-25)
 - Trivial fixes to G4PAIModel and G4PAIPhotonModel for support of
   CLHEP 2.0.X series.
 
 29 November 05: V.Ivant (emstand-V07-01-24)
 - Do not use G4Alpha inside G4BraggIonModel to avoid clash with
   new particle design
 
 16 November 05: mma (emstand-V07-01-23)
 - replace RandBit() by G4UniformRand() in G4GammaConversion52 and
   G4BetheHeitlerModel
 
 16 November 05: V. Ivanchenko (emstand-V07-01-22)
 - G4eBremsstrahlungModel.cc: add electron deviation
 
 13 November 05: L.urban (emstand-V07-01-21)
 - G4MultipleScattering: some code cleaning, slightly better timing
   for sampling calorimeters (by 1 - 6 %, depending on cut and
   geometry)
 - additionnal printing in G4PAIModel
 
 05 November 05: L.Urban
 - G4MultipleScattering: minimum stepsize depends on cut in range
   tlimitmin = facrange*rangecut
 
 27 October 05: mma (emstand-V07-01-20)
 - G4MultipleScattering: stepLimitAlgorithm renamed to steppingAlgorithm;
   Function MscStepLimitation (G4bool algorithm, G4double facrange)
 
 25 October 05: L.Urban
 - G4MultipleScattering: data member prec renamed to stepLimitAlgorithm
   SetstepLimitAlgorithm(G4bool) triggers 'default' facrange
   values (true 0.02, false 0.2), but facrange can be set separately too.
 
 23 October 05: L.Urban
 - G4MultipleScattering: 'new' msc stepping + 7.1 like stepping
   together, one can choose between them using data members
   prec and facrange
 
 23 October 05: V.Ivant (emstand-V07-01-05b)
 - a tag included fixes in G4BraggModel.cc and  G4BraggIonModel.cc
   on top of emstand-V07-01-05a; assumed for the patch-01
 
 17 October 05: V.Ivant (emstand-V07-01-19)
 - fix in G4BraggModel.cc in chemical formula correction
 
 17 October 05: L.Urban (emstand-V07-01-18)
 - G4UniversalFluctuation.cc: correction for very small loss
   to avoid 0 energy loss
 - fix in G4BraggIonModel.cc in chemical formula correction
 
 13 October 05: mma (emstand-V07-01-17)
 - G4MultipleScattering.cc: remove SetFacrange(0.02) from InitialiseProcess
 
 12 October 05: L.Urban (emstand-V07-01-16)
 - G4MultipleScattering.cc: change in TruePathLengthLimit conditions,
   slightly better timing and much weaker cut dependence
 
 10 October 05: V.Ivant (emstand-07-01-15)
 - Fix non-initilised variable in G4MultipleScattering
 
 7 October 05: L.Urban (emstand-V07-01-14)
 - G4MultipleScattering.cc: bug fixed in TruePathLengthLimit.
   Must cowork with emutils-V07-01-05
 
 6 October 05: L.Urban (emstand-V07-01-13)
 - G4MultipleScattering: change in conditions limiting
   the step --> better timing with the same physics
 
 4 October 05: L.Urban (emstand-V07-01-12)
 - G4MultipleScattering: upper limit for facrange 0.2,
   facgeom =2 always, corr. in set function of facgeom
 
 4 October 05: V.Ivant (emstand-V07-01-11)
 - Move G4MultipleScattering80 and G4MscModel80 into
   G4MultipleScattering and G4MscModel
 
 3 October 05: L.Urban (emstand-V07-01-10)
 - G4MultipleScattering80 : weaker step limitation above
   Tkinlimit = 2 MeV for e+/e- (limit scaled with mass
   for other particles).Soft limit: facrange increases
   linearly with energy above Tkinlimit.
 - G4UniversalFluctuation : cut dependence of the en.loss
   distribution has been reduced
 
 2 October 05: mma (emstand-V07-01-09)
 - G4eIonisation, G4hIonisation : SetStepLimits (0.2, 1*mm) + integral on
 
 2 October 05: L.Urban
 - conditions for step limit now are considered 'final' in
   G4MultipleScattering80.cc + code cleaning
 - nuclear size correction has been removed from G4MscModel80,
   the correction is already included in the (theoretical)
   tabulated cross section values for Tkin > 10 MeV
 
 16 September 05: L.Urban
 - reordering of the conditions in TruePathLengthLimit of
   G4MultipleScattering80.cc (It gives the same result than
   preceding version, but it is faster)
 
 12 September 05: L.Urban
 - new version of  G4MultipleScattering80, now the true pathlength
   limit is determined by the physics (facrange) + geometry
 
 2 September 05: V.Ivant. (emstand-V07-01-08)
 - G4hIonisation : SetStepLimits (0.2, 0.1*mm) + integral off
 
 2 September 05: V.Ivant. (emstand-V07-01-07)
 - G4eIonisation : integral off
 
 2 September 05: V.Ivant. (emstand-V07-01-06)
 - G4eIonisation : SetStepLimits (0.2, 0.1*mm)
 - add G4MultipleScattering80 and G4MscModel80
 
 2 September 05: V.Ivant. (emstand-V07-01-05)
 - This tag is 7.1 + bug fixes
 - G4eIonisation : SetStepLimits (1, 1*mm)
 - G4hIonisation : SetStepLimits (0.2, 1*mm)
 
 12 August 05: mma (emstand-V07-01-04)
 - G4eIonisation and G4hIonisation : SetStepLimits (0.2, 0.1*mm)
 
 11 August 05: Laszlo + mma (emstand-V07-01-03)
 - add G4MultipleScattering80 and G4MscModel80
 
 03 August 05: V.Ivant (emstand-V07-01-02)
 - Fix initialisation G4eBremsstrahlungModel
 
 25 July 05: V.Ivant (emstand-V07-01-01)
 - Fix in G4MollerBhabhaModel: add protection in calculation of recoil direction
   for the case of complete energy transfer from e+ to e-
 
 30 June 05: V.Ivant (emstand-V07-01-00)
 24 May 05: V.Ivant (stand-V07-00-12)
 - Change G4BaggIonModel and G4BaggModel in order to have parameterization
   of chemical effect be independent on method of material definition (by
   number of atoms or by mass fractions);
 - Increase number of bins for internal table of G4BetheHeitlerModel
 - Add protection for (tmax < meanPot and pot0) in G4UniversalFluctuations
 
 30 May 05: V.Ivant (stand-V07-00-11)
 - Fix compilation warning at SUN in G4BaggIonModel;
 
 12 May 05: V.Ivant (stand-V07-00-10)
 - Move G4BaggIonModel to updated interfaces;
 - cleanup
 
 03 May 05: V.Ivant (stand-V07-00-09)
 - move v70 processes (model interface) to be default and old to be 52
   (Compton, GammaConversion, PhotoElectricEffect, eplusAnnihilation)
 
 03 May 05: mma (stand-V07-00-08)
 - last tag before permutation v70 -> stand ->v52 for photon processes
 - G4eplusAnnihilation70 : suppress Integral option
 - G4PEEffectModel::SampleSecondaries() : correct for shell selection
 - fabs -> std::abs
 
 03 May 05: L.Urban
 - G4UniversalFluctuation.cc : bugfix in the part of the Gaussian
   fluctuation + smearing for very small (~eV) loss
 
 21 April 05: V.Ivant (stand-V07-00-07)
 - Add G4PhotoElectricEffect70
 
 19 April 05: V.Ivant (stand-V07-00-06)
 - Add G4GammaConvertion70
 - Cash pointer to navigator for G4MscModel
 
 18 April 05: V.Ivant (stand-V07-00-05)
 - Gamma processes migrate to G4ParticleChangeForGamma
 - G4MultipleScattering and G4MscModel - optimise internal interfaces
 
 13 April 05: V.Ivant (stand-V07-00-04)
 - Remove PAIwithPhotonModel
 - Migrade to updated interfaces of utils
 - Use G4EmCorrections for hadrons/ions ionisation
 
 18 March 05: V.Ivant (stand-V07-00-03)
 - Add G4ComptonScattering70 and G4KleinNishinaModel (V.Ivanchenko)
 
 11 March 05: V.Ivant (stand-V07-00-02)
 - Add G4hIonisation70 and G4ionIonisation70 classes (V.Ivanchenko)
 
 10 Feb 05: V.Ivant (stand-V07-00-01)
 - Extra protection in G4PAIModel (V.Grichine)
 
 07 Feb 05: mma (stand-V07-00-00)
 - G4MultipleScattering.cc : make the Setsamplez function working
 - G4UniversalFluctuation.hh and .cc : define problim = 5.e-3
                                       set minLoss = 10 eV
 
 01 Dec 04: V.Ivant (stand-V06-02-14)
 - Migration to cmath
 
 01 Dec 04: V.Ivant (stand-V06-02-13)
 - Move in the classes with real models from utils
 
 30 Nov 04: V.Ivant (stand-V06-02-12)
 - Remove G4PAIonisation.icc
 
 29 Nov 04: V.Ivant (stand-V06-02-11)
 - Restructure of standard subdirectories
 - Cleanup GNUmakefile
 
 17 Nov 04: V.Ivant (stand-V06-02-10)
 - Fix problem of test27
 
 11 Nov 04: V.Ivant (stand-V06-02-09)
 - Migration to new algorithm to Store/Retrieve tables
 
 04 Nov 04: V.Ivant (stand-V06-02-08)
 - Add energy threshold for gamma of G4eBremsstrahlung, which will be used
   to kill e- and start new track in case of hard photon emmision
 - Modified fluctuation model for G4PAIPhotonModel
 
 25 Oct 04: V.Ivant (stand-V06-02-07)
 - Migrate to new interfaces for ParticleChange
 
 15 Oct 04: V.Ivant (stand-V06-02-06)
 - Fix in PAI models - remove cut dependence of results (V.Grichine)
 - Fix in G4ionIonisation - can use alpha tables
 
 14 Oct 04: V.Ivant (stand-V06-02-05)
 - Add new model for ion ionization G4BraggIonModel
 - Add process and model classes for e+ annihilation to pi+pi-
 
 30 Aug 04: V.Ivant (stand-V06-02-04)
 - Remove obsolete process G4IonisationByLogicalVolume and
   obsolete interfaces to particle cathegory
 
 20 Aug 04: V.Ivant (stand-V06-02-03)
 - Bug fix for e- ionisation in PAI model for small cuts (VG)
 
 13 Aug 04: mma (stand-V06-02-02)
 - in all discrete processes make ComputeCrossSection() public and virtual
 - suppress icc files
 
 12 Aug 04: V.Ivant (stand-V06-02-01)
 - G4ionIonisation - effective charge is taken from util class (VI)
 - G4eplusAnnihilation70 introduced (VI)
 
 05 Aug 04: mma
 - suppress G4eplusAnnihilation.icc, G4GammaConversionToMuons.icc
 
 29 Jun 04: mma (stand-V06-02-00)
 - G4ComptonScattering.cc : improve totalCrossSection parametrization below
   15 keV (Laszlo).
 
 07 Jun 04: G.Cosmo (stand-V06-01-03)
 - G4PAIxSection.cc: fix in constructor for compilation error in VC++ 6.0
 - Moved usage of statics in inline functions to non-inline to allow
   porting for DLLs on Windows. Modified files:
   G4PAIonisation[.icc.cc], G4SynchrotronRadiation[.hh.cc].
 
 27 May 04: V.Ivant (stand-V06-01-02)
 - Set integral regime to be default for G4ionIonisation and G4hIonisation
 - Exclude G4PAIwithPhotons and G4InitXscPAI classes previously included
   by mistake but still under development ...
 
 27 May 04: V.Ivant (stand-V06-01-01)
 - (V.Grichine) Updated and optimise PAI model
 - (L.Urban) Minor fix in G4eBremsstrahlung - units properly used
 
 04 May 04: V.Ivant (stand-V06-01-00)
 - (V.Grichine) Updated PAI model - use precise integrator,
   add photon emission, add G4PAIwithPhotons and G4PAIxSection classes
 
 15 Mar 04: mma (stand-V06-00-04)
 
 10 Mar 04: V.Ivant
 - constructor of all discrete processes: name, type
 
 17 Feb 04: V.Ivant (stand-V06-00-03)
 - merge the patch and development tag
 
 06 Feb 04: V.Ivant (stand-a-V06-00-00)
 - Tag for the patch include:
 - Fix in G4PAIModel.cc
 - Minor change in G4PAIonisation.cc
 
 03 Feb 04: V.Ivant (stand-V06-00-02)
 - Fix in G4PAIModel.cc
 
 30 Jan 04: V.Ivant (stand-V06-00-01)
 - Minor change in G4PAIonisation.cc
 
 22 Jan 04: V.Ivant (stand-V06-00-00)
 - Migrade to G4ParticleChangeForLoss
 
 11 Nov 03: V.Ivant (stand-V05-02-07)
 - Substitute G4VEnergyLossSTD by G4VEnergyLossProcess
 - For ions update ionisation
 
 03 Nov 03: V.Ivant (stand-V05-02-06)
 - Remove STD processes
 
 24 Oct 03: V.Ivant (stand-V05-02-05)
 -Update defults for processes
 -Add PAI model (V.Grichine)
 
 4 Oct 03: G.Cosmo (stand-V05-02-04)
 - Modified GNUmakefiles:
   o added dependency to new module "geometry/navigation".
 - Coworks with "geometry-V05-02-00" and "digits_hits-V05-02-00".
 
 20 Sept 03: V.Ivant (stand-V05-02-03)
 -Update energy intervals for ionisation models
 -Update GNUmakefile
 
 08 August 03: V.Ivant (stand-V05-02-02)
 -Substitute standerd by STD, freezing old standard as 52
 
 07 August 03: V.Ivant (stand-V05-02-01)
 - Change defaults for STD processes
 - Introduce Effective charge to G4ionIonisation
 
 24 July 03: V.Ivant (stand-V05-02-00)
 -Update model interface according utils-V05-02-00
 
 25 June 03: G.Cosmo (stand-V05-01-05)
 - G4PAIxSection.cc: trivial fixes on arguments to pow() for
   porting on .NET 7.1 compiler.
 
 16 June 03: V.Ivant (stand-V05-01-04)
 - ShortLived particles are not applicable for G4hIonisation
 
 04 June 03: V.Ivant (stand-V05-01-03)
 - Update STD initialisation
 
 26 May 03: V.Ivant (stand-V05-01-02)
 -Fix compilation warnings for pedantic compiler options
 
 23 May 03: V.Ivant (stand-V05-01-01)
 -Fix initialisation for STD: for integral Bohr fluctuations
 
 15 May 03: V.Ivant (stand-V05-01-00)
 - fix in SuprssionFunction in bremsstrahlung STD
 - fix in dedx for e- ionisation STD for E<1keV
 - set default number 120 bins for dedx table in G4eIonisation
 - updated PAI model: include high energy transfers
 
 29 Apr 03: V.Ivant (stand-V05-00-13)
 - fix leak in restore tables
 
 26 Apr 03: V.Ivant (stand-V05-00-12)
 - fix store/restore tables
 
 11 Apr 03: V.Ivant (stand-V05-00-11)
 - fix problem of hadronic tests
 
 11 Apr 03: V.Ivant (stand-V05-00-10)
 - fix problem of MFP for PAI
 
 08 Apr 03: V.Ivant (stand-V05-00-09)
 - finalRange is region aware
 
 07 Apr 03: V.Ivant (stand-V05-00-08)
 - G4VhEnergyLoss, G4hIonisation - fix problem of several runs with
   different cuts
 
 25 Mar 03: mma (stand-V05-00-07)
 - G4Ve(h)EnergyLoss : add finalRangeRequested
 
 10 mar 03: V.Ivant (stand-V05-00-06)
 - use SubType for ions in G4hIonisation
 - migrade to "cut per region" for G4PAIonisation
 
 18 feb 03: V.Ivant (stand-V05-00-05)
 - fix problems with lambda and range tables for STD hadrons/ions
 
 13 feb 03: V.Ivant
 - add names for all models
 - make the set of model per region available
 - make SubCutoff regime available per region
 
 12 feb 03: G.Cosmo (stand-V05-00-04)
 - Replaced call to RandPoisson::shoot() with G4Poisson(), more performant.
   Affected files: G4PAIonisation.cc, G4PAIxSection.cc.
 
 05 feb 03: V.Ivant (stand-V05-00-03)
 - Fix on warnings at SUN for STD classes
 - Add Initialise method to STD classes to calculate PartialSumSigma
 - Subsitute Material by MaterialCutsCouple for PostStep STD
 
 04 feb 03: mma
 - AnnihiToMuPair.hh and cc : first implementation from Helmut Burkhardt.
   Cosmetic simplifications (mma)
 
 24 jan 03: V.Ivant (stand-V05-00-02)
 - Migration to "cut per region"
 
 15 jan 03: mma
 - PhotoElectricEffect::ElecThetaDistribution : if gamma>5 --> costeta=1
 
 13 jan 03: V.Ivant (stand-V05-00-01)
 - Fix problem in cut control in G4PAIonisation.cc
 
 06 jan 03: V.Ivant (stand-V05-00-00)
 - Update interfaces to STD classes in order to be ready to migrade
   to "cut per region"
 
 04 dec 02: V.Ivant (stand-V04-01-07)
 - fix d-electron spectra for STD
 
 20 nov 02: G.Cosmo (stand-V04-01-06)
 - G4PAIonisation[.hh.icc.cc]: patched access to public static data.
   Added static accessor to be used in the kernel for inline functions
   to allow porting on Windows DLLs.
 
 12 nov 02: V.Ivant (stand-V04-01-05)
 - eBremsstrahlung::BuiltLossTable: fix of division by 0 (G4int nn)
 
 28 oct 02: V.Ivant (stand-V04-01-04)
 - fix compilation warnings for STD classes
 
 17 oct 02: V.Ivant (stand-V04-01-03)
 - few changes in all xSTD processes in connection with LossTableBuilder
 
 15 oct 02: V.Ivant (stand-V04-01-02)
 - redesign for a Model approach: files processNameSTD and processNameModel
 
 14 oct 02: mma (stand-V04-01-01)
 - G4PAIxSection and G4PAIonisation : put back on the HEAD the versions as they
   are in Geant4-04-01-ref-03, namely:
   G4PAIxSection  hh:1.7             cc:1.10
   G4PAIonisation hh:1.12  icc:1.10  cc:1.23
 
   G4PAIxSectionTest.cc:1.7   G4PAIdNdxTest.cc:1.1   GNUmakefile:1.1
 
 07 aug 02: mma (stand-V04-01-00)
 - GammaConversionToMuons::DoIt : missprint in OR conditions | instead of ||
 
 10 jun 02: mma (stand-V04-00-13)
 - bug fixed for stopping hadrons, V.Ivanchenko
 
 04 jun 02: mma (stand-V04-00-12)
 - suppress the G4PAIonisation stuff which crash in TestEm8
   (back to stand-V04-00-10)
 
 24 may 02: mma (stand-V04-00-11)
 - G4PAIonosation: production of delta-electrons > cut
 - a bug fixed in G4PAIxSection.cc for GenericIon
 - G4PAIxSection : new class members for transverse/longitudinal transfer
 
 06 may 02: mma (stand-V04-00-10)
 - compilation error in G4GammaConversionToMuons
 
 29 apr 02: mma (stand-V04-00-09)
 - G4PhotoElectric: Generate theta angle of the photoelectron from Sauter-Gravila
   distribution
 
 18 apr 02: mma (stand-V04-00-08)
 - new process: G4GammaConversionToMuons
 
 18 apr 02: mma (stand-V04-00-07)
 - G4ComptonScattering: LowestEnergyLimit=1*keV
 - G4PhotoElectric: Keep only Sandia crossSections. Remove BuildPhysicsTables.
   Simplify public interface.
 
 27 mar 02: V.Ivanchenko (stand-V04-00-06)
 - G4hIonisation: Bug fix in scaling of lambda tabledelta-electrons > cut
 
 26 mar 02: mma (stand-V04-00-05)
 - G4eIonisation: change access to cuts in BuildLossTables (V.Ivanchenko)
 
 22 mar 02: V. Grichine (stand-V04-00-04)
 - modifications in G4PAIxSection allowing to get additional information on
   transverse and longitudinal excitations at atomic frequences.
 
 21 mar 02: mma (stand-V04-00-03)
 - G4GammaConversion::DoIt() correction of e+e- angular distribution (bug 363)
 
 27 fev 02: mma (stand-V04-00-02)
 - V.Ivanchenko remove the fix for GenericIons in G4VhEnergyLoss, G4hIonisation;
 
 27 fev 02: mma (stand-V04-00-01)
 - V.Ivanchenko fix G4VhEnergyLoss, G4hIonisation for GenericIons;
 - G4VeEnergyLoss and G4VhEnergyLoss : error in TouchebleHandle - take from
   PreStepPoint
 
 10 fev 02: mma (stand-V04-00-00)
 - G4VeEnergyLoss and G4VhEnergyLoss : error in SetMindeltaCutInRange,
   was set in Energy !
 
 11 jan 02: mma
 - gammaConversion::ComputeCrossSection(): correction of extrapolation below
   EnergyLimit
 
 10 jan 02: mma
 - photoEffect: rearrangement in the inlined functions
 
 12 nov 01: mma (stand-V03-02-14)
 - ParticleMass and Charge : local variables
 - merge 11a + 13
 - some cleanup in G4hEnergyLoss.hh and .cc
 
 29 oct 01: mma (stand-V03-02-13)
 - all static functions no more inlined
 
 23 oct 01: mma (stand-V03-02-12)
 - cut per material: Ve(h)EnergyLoss, e(h)Ionisation, eBremsstrahlung,
   PAIEnergyLoss, PAIonisation, SynchrotronRadiation
 
 08 nov 01: G.Cosmo (stand-V03-02-11a)
 - Introduced changes to G4VeEnergyLoss.cc and G4VhEnergyLoss.cc for reference
   counted touchables (R.Chytracek). Not included in "stand-V03-02-12" and
   "stand-V03-02-13".
 
 23 oct 01: G.Cosmo (stand-V03-02-11)
 - Minor fix to G4PAIxSection.cc, added inclusion of G4Material.hh to cope
   with latest updates included in materials-V03-02-04.
 
 11 oct 01: mma (stand-V03-02-10)
 - activate buildDEDXTable() in G4hIonisation::retrievePhysicsTable()
 
 11 oct 01: G.Cosmo (stand-V03-02-09)
 - G4VPAIenergyLoss.hh: removed redundant inclusion of RW wrapper header.
 
 01 oct 01: mma (stand-V03-02-08)
 - Phot,Comp,Conv,Annil: come back to BuildPhysicsTable(particleDefinition)
   invoked from the process manager
 
 28 sep 01: mma (stand-V03-02-07)
 - StorePhysicsTable(): ParticleName included in fileName.
   Completion of Store/Retrieve functions
 
 21 sep 01: mma (stand-V03-02-06)
 - DoIt: fminimalEnergy = 1*eV in phot,comp,conv,anni
 
 19 sep 01: mma (stand-V03-02-05)
 - come back to the previous ProcessNames
 
 17 sep 01: mma (stand-V03-02-04)
 - modifs in almost all classes for the migration of Materials to pure STL,
   but backward compatible with g4rw
 
 13 sep 01: L.Urban (stand-V03-02-03)
 -G4VxEnergyLoss: min.delta cut is set as rcut/100 + some optimisation
 
 11 sep 01: L.Urban (stand-V03-02-02)
 - G4VhEnergyLoss+G4VeEnergyLoss: bugfix in subcutoff delta generation
 
 29 aug 01: mma (stand-V03-02-01)
 - G4hIonisation::PostStepDoIt grecj term for spin 1/2 (not 1)
 
 13 aug 01: mma
 - G4eIonisation: new function ComputeRestrictedMeandEdx()
 - G4hIonisation: new function ComputeRestrictedMeandEdx() + 'cleanup'
 
 10 aug 01: mma
 - store/retrieve PhysicsTables implemented in photelec, compton, gamaconv,
   annihil, eIonisa, eBrems, mulscat, hIonisa
 
 17 jul 01: mma (stand-V03-02-00)
 - suppression of the production threshold in phot,compt,conv,annih
 
 11 jul 01: mma
 - GammaConversion::PostStepDoIt : sample epsil->power (rndm,0.333333)
 
 29 may 01: V.Ivanchenko
 - clean up againist Linux ANSI strict compilation mode.
 
 27 mar 01 mma (stand-V03-00-05)
 - commented out the printing of subcutoff energies at initialization
 
 05 mar 01 mma (stand-V03-00-04)
 - new subdirectory: integral
   migration of all G4I.. processes from muons, standard, utils into integral
 
 22 feb 01: mma (stand-V03-00-03)
 - G4PhotoElectricEffect.  DoIt: removed protection against low energy gamma,
     after correction in SandiaTable (materials-V03-00-05)
 - G4EplusAnnihilation. PostStepDoIt: check with fStopButAlive instead of
    energy == 0.
 
 05 feb 01: G.Cosmo (stand-V03-00-02)
 - Migration to STL for G4DataVector and G4OrderedTable.
   Modified files: G4SynchrotronRadiation.hh, G4IeBremsstrahlung.cc,
                   G4eBremsstrahlung.cc.
 
 23 jan 01: mma (stand-V03-00-01)
 - corrections in e/hEnergyLoss.cc: AlongStepDoIt L.Urban 23-01-01
   PostStep information is not used any more in AlongStepDoIt
   when generating sub-cutoff delta rays. (bug found by Babar)
 
 16 jan 01: mma (stand-V03-00-00)
 - small corrections in e/hEnergyLoss.cc L.Urban 11-01-01
   to ensure consistency between cut in range and step limitation
   due to energy loss (finalRange data member <-> cut in range)
 - change in energy loss computation in eBrems.hh and .cc L.Urban 11-01-01
   parametrization of energy loss due to soft brems has been corrected,
   it was too big for big cut values.
 
 17 Nov 00 mma : stand-V02-00-04
 
 12 Nov 00 Corrections by Rui Curado da Silva (Polarized Compton)
 - Sampling of Phi
 - Depolarization probability
 
 08 Nov 00 mma (stand-V02-00-03)
 -  eBrem
    07/08/00  new cross section/en.loss parametrisation, LPM flag , L.Urban
    21/09/00  corrections in the LPM implementation, L.Urban
 -  30/10/00  signature in GetLossWithFluct changed L.Urban
 
 01 Nov 00 G.Cosmo (stand-V02-00-02)
 -  Removed useless dependencies from GNUmakefile.
 -  G4SynchrotronRadiation: added "const" qualifier to usage of
    const G4Field*. Co-works with tag "field-V02-00-00" and related ones
    from geometry.
 
 11 Aug 00 mma
    tag stand-V02-00-01
 
 10 Aug 00 V.Ivanchenko
 -  Change G4VhEnergyLoss.cc, G4VhEnergyLoss.hh, G4hIonisation.cc
    in order to simulate energy losses of ions; correction to
    cross section for particles with spin 1 is inserted as well.
    Class G4ionIonisation is removed.
 
 03 Aug 00 Gabriele Cosmo
 - Fixes for events' reproducibility:
   o G4GammaConversion.cc: changed usage of RandFlat::shootBit() to
     RandBit::shootBit().
   o G4VIeEnergyLoss.cc, G4VIhEnergyLoss.cc, G4PAIxSectionTest.cc:
     changed RandGauss to G4RandGauss.
 
 31 Jul 00 Gonzalo Gracia
 - G4IhIonisation.cc: initialisisation to zero of several  G4PhysicsTable*
   is included in constructor. Some tests were crashing
   on NT because of the missing initialisation
 
 18 jul 00: V.Ivanchenko (stand-V01-??)
 - fix in G4VhEnergyLoss and G4ionIonisation in AlongStepDoIt
   for particles with Charge^2 > 1; Reorganisation in
   GetConstrain for G4ionIonisation
 
 22 jun 00: mma (stand-V01-01-05)
 - stop very low energy photons in photo electric effect
 - ElossMessenger moved --> G4VEnergyLoss
 
 13 jun 00: mma (stand-V01-01-04)
 - static pointer MinDeltaEnergy removed from destructor of
   G4VeEnergyLoss and G4VhEnergyLoss
 
 07 jun 00: mma (stand-V01-01-03)
 - virtual destructor for G4VEnergyLoss
 
 24 may 00: mma (stand-V01-01-02)
 - merge 'Plus' processes into standard
 - minCut=10 KeV for brems
 - corrections in ionisation (Laszlo)
 
 
 27 apr 00 mma  (em-V01-01-01)
 - G4endl (dec/iso)
 
 26 apr 00 mma  (em-V01-01-00)
 - all EnergyLoss classes renamed G4V...
   Most classes in standard and muons affected.
 - G4Muls moved in utils
 - bugs fixe in MuPairProduction
 - cowork with geant4-01-01-ref-02
 
 02 mar 00 mma  (em-V01-00-00)
 - new G4VEnergyLoss class and related structure
 - cowork with geant4-01-00-ref-06
 
 10 nov 99 mma  (em-V00-01-03)
 - migration to STL: remove RWT hash dictionnary
 
 14th June 1999  John Allison (em-01-00-05b)
 - Muon corrections in G4MultipleScattering.cc, G4MuBremsstrahlung.cc
   and G4MuPairProduction.cc by Laszlo Urban, Pedro Arce.
   (Also in rocesses/photoleplon_hadron/src/G4MuNuclearInteraction.cc.)
 
 5th June 1999  John Allison
 - standard/GNUmakefile: Force non-optimised compliation of some
   files on HP with aCC: HP ANSI C++ B3910B A.01.15.
 
 May 29, 1999: John Allison
 - Added electromagnetic/lowenergy to GNUmakefile and
   electromagnetic/GNUmakefile..