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Geant4/processes/electromagnetic/standard/include/G4eplusAnnihilation.hh

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Differences between /processes/electromagnetic/standard/include/G4eplusAnnihilation.hh (Version 11.3.0) and /processes/electromagnetic/standard/include/G4eplusAnnihilation.hh (Version 3.0)


                                                   >>   1 // This code implementation is the intellectual property of
                                                   >>   2 // the GEANT4 collaboration.
  1 //                                                  3 //
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  4 // *                                           <<   6 // and all its terms.
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  6 // * the Geant4 Collaboration.  It is provided << 
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  8 // * LICENSE and available at  http://cern.ch/ << 
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 10 // *                                           << 
 11 // * Neither the authors of this software syst << 
 12 // * institutes,nor the agencies providing fin << 
 13 // * work  make  any representation or  warran << 
 14 // * regarding  this  software system or assum << 
 15 // * use.  Please see the license in the file  << 
 16 // * for the full disclaimer and the limitatio << 
 17 // *                                           << 
 18 // * This  code  implementation is the result  << 
 19 // * technical work of the GEANT4 collaboratio << 
 20 // * By using,  copying,  modifying or  distri << 
 21 // * any work based  on the software)  you  ag << 
 22 // * use  in  resulting  scientific  publicati << 
 23 // * acceptance of all terms of the Geant4 Sof << 
 24 // ******************************************* << 
 25 //                                             << 
 26 //                                             << 
 27 // ------------------------------------------- << 
 28 //                                             << 
 29 // GEANT4 Class header file                    << 
 30 //                                             << 
 31 //                                             << 
 32 // File name:     G4eplusAnnihilation          << 
 33 //                                             << 
 34 // Author:        Vladimir Ivanchenko on base  << 
 35 //                                             << 
 36 // Creation date: 02.08.2004                   << 
 37 //                                             << 
 38 // Modifications:                              << 
 39 // 08-11-04 Migration to new interface of Stor << 
 40 // 15-03-05 Update interface according to chan << 
 41 //           in G4VEmProcess (V.Ivanchenko)    << 
 42 // 08-04-05 Major optimisation of internal int << 
 43 // 04-05-05 Make class to be default (V.Ivanch << 
 44 // 04-12-05 SetProposedKineticEnergy(0.) for a << 
 45 // 09-08-06 add SetModel(G4VEmModel*) (mma)    << 
 46 // 12-09-06, move SetModel(G4VEmModel*) in G4V << 
 47 //                                             << 
 48 //                                             << 
 49 // Class Description:                          << 
 50 //                                             << 
 51 // This class manages the process of e+ annihi << 
 52 // It is possible to enable ApplyCuts and Enta << 
 53 // G4EmParameters class using UI commands or C << 
 54 // EM splitting or Russian roulette are allowe << 
 55 // are enabled.                                << 
 56 //                                                  7 //
 57 // ------------------------------------------- <<   8 // $Id: G4eplusAnnihilation.hh,v 1.3 1999/12/17 18:26:12 maire Exp $
                                                   >>   9 // GEANT4 tag $Name: geant4-03-00 $
 58 //                                                 10 //
                                                   >>  11 //      ------------ G4eplusAnnihilation process ------
                                                   >>  12 //                   by Michel Maire, 7 july 1996
                                                   >>  13 //
                                                   >>  14 // 10-01-97, crossection table + meanfreepath table, M.Maire
                                                   >>  15 // 17-03-97, merge 'in fly' and 'at rest', M.Maire
                                                   >>  16 // 31-08-98, new methods SetBining() and PrintInfo() 
                                                   >>  17 // ------------------------------------------------------------
 59                                                    18 
 60 #ifndef G4eplusAnnihilation_h                  <<  19 // class description
 61 #define G4eplusAnnihilation_h 1                <<  20 //
 62                                                <<  21 // e+ e- ---> gamma gamma
 63 #include "G4VEmProcess.hh"                     <<  22 // inherit from G4VRestDiscreteProcess
 64                                                <<  23 //
 65 class G4ParticleDefinition;                    << 
 66 class G4VPositronAtRestModel;                  << 
 67                                                << 
 68 class G4eplusAnnihilation : public G4VEmProces << 
 69 {                                              << 
 70                                                << 
 71 public:                                        << 
 72                                                << 
 73   explicit G4eplusAnnihilation(const G4String& << 
 74                                                << 
 75   ~G4eplusAnnihilation() override;             << 
 76                                                << 
 77   G4bool IsApplicable(const G4ParticleDefiniti << 
 78                                                << 
 79   G4VParticleChange* AtRestDoIt(               << 
 80                              const G4Track& tr << 
 81                              const G4Step& ste << 
 82                                                << 
 83   G4double AtRestGetPhysicalInteractionLength( << 
 84                              const G4Track& tr << 
 85                              G4ForceCondition* << 
 86                             ) override;        << 
 87                                                << 
 88   // print documentation in html format        << 
 89   void ProcessDescription(std::ostream&) const << 
 90                                                << 
 91   G4eplusAnnihilation & operator=(const G4eplu << 
 92   G4eplusAnnihilation(const G4eplusAnnihilatio << 
 93                                                    24 
 94 protected:                                     <<  25 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
                                                   >>  26 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 95                                                    27 
 96   void InitialiseProcess(const G4ParticleDefin <<  28 #ifndef G4eplusAnnihilation_h
                                                   >>  29 #define G4eplusAnnihilation_h 1
 97                                                    30 
 98   // Print out of the class parameters         <<  31 #include "G4ios.hh" 
 99   void StreamProcessInfo(std::ostream& outFile <<  32 #include "globals.hh"
                                                   >>  33 #include "Randomize.hh" 
                                                   >>  34 #include "G4VRestDiscreteProcess.hh"
                                                   >>  35 #include "G4PhysicsTable.hh"
                                                   >>  36 #include "G4PhysicsLogVector.hh" 
                                                   >>  37 #include "G4ElementTable.hh"
                                                   >>  38 #include "G4Gamma.hh"
                                                   >>  39 #include "G4Positron.hh"
                                                   >>  40 #include "G4Step.hh"
100                                                    41 
101 private:                                       <<  42 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
102                                                    43 
103   G4VPositronAtRestModel* f2GammaAtRestModel{n <<  44 class G4eplusAnnihilation : public G4VRestDiscreteProcess
104   G4VPositronAtRestModel* f3GammaAtRestModel{n <<  45  
105   G4int fEntanglementModelID;                  <<  46 {    
106   G4bool isInitialised{false};                 <<  47   public:  // with description
107   G4bool fEntangled{false};                    <<  48  
108   G4bool fApplyCuts{false};                    <<  49      G4eplusAnnihilation(const G4String& processName ="annihil");
                                                   >>  50  
                                                   >>  51     ~G4eplusAnnihilation();
                                                   >>  52 
                                                   >>  53      G4bool IsApplicable(const G4ParticleDefinition&);
                                                   >>  54        // true for positron only.
                                                   >>  55             
                                                   >>  56      void SetPhysicsTableBining(G4double lowE, G4double highE, G4int nBins);
                                                   >>  57        // Allows to define the binning of the PhysicsTables, 
                                                   >>  58        // before to build them.
                                                   >>  59             
                                                   >>  60      void BuildPhysicsTable(const G4ParticleDefinition& PositronType);
                                                   >>  61        // It builds the total CrossSectionPerAtom table, for e+,
                                                   >>  62        // and for every element contained in the elementTable.
                                                   >>  63        // It builds the MeanFreePath table, for e+,
                                                   >>  64        // and for every material contained in the materialTable.       
                                                   >>  65        // This function overloads a virtual function of the base class.
                                                   >>  66        // It is invoked by the G4ParticleWithCuts::SetCut() method. 
                                                   >>  67             
                                                   >>  68      void PrintInfoDefinition();
                                                   >>  69        // Print few lines of informations about the process: validity range,
                                                   >>  70        // origine ..etc..
                                                   >>  71        // Invoked by BuildPhysicsTable(). 
                                                   >>  72            
                                                   >>  73      G4double GetMeanFreePath(const G4Track& aTrack,
                                                   >>  74                               G4double previousStepSize,
                                                   >>  75                               G4ForceCondition* condition);
                                                   >>  76        // It returns the MeanFreePath of the process for the current track :
                                                   >>  77        // (energy, material)
                                                   >>  78        // The previousStepSize and G4ForceCondition* are not used.
                                                   >>  79        // This function overloads a virtual function of the base class.         
                                                   >>  80        // It is invoked by the ProcessManager of the Particle.
                                                   >>  81         
                                                   >>  82      G4double GetCrossSectionPerAtom(G4DynamicParticle* aDynamicPositron,
                                                   >>  83                                      G4Element*         anElement);     
                                                   >>  84        // It returns the total CrossSectionPerAtom of the process, 
                                                   >>  85        // for the current DynamicPositron (energy), in anElement.
                                                   >>  86 
                                                   >>  87      G4VParticleChange* PostStepDoIt(const G4Track& aTrack,
                                                   >>  88                                     const G4Step& aStep); 
                                                   >>  89        // It computes the final state of the process (at end of step),
                                                   >>  90        // returned as a ParticleChange object.          
                                                   >>  91        // This function overloads a virtual function of the base class.
                                                   >>  92        // It is invoked by the ProcessManager of the Particle.
                                                   >>  93 
                                                   >>  94      G4double GetMeanLifeTime(const G4Track& aTrack,
                                                   >>  95                               G4ForceCondition* condition);
                                                   >>  96        // It is invoked by the ProcessManager of the Positron if this
                                                   >>  97        // e+ has a kinetic energy null. Then it return 0 to force the
                                                   >>  98        // call of AtRestDoIt.
                                                   >>  99        // This function overloads a virtual function of the base class.
                                                   >> 100               
                                                   >> 101      G4VParticleChange* AtRestDoIt(const G4Track& aTrack,
                                                   >> 102                                    const G4Step& aStep); 
                                                   >> 103        // It computes the final state of the process:
                                                   >> 104        //          e+ (at rest) e- (at rest)  ---> gamma gamma,
                                                   >> 105        // returned as a ParticleChange object.          
                                                   >> 106        // This function overloads a virtual function of the base class.
                                                   >> 107        // It is invoked by the ProcessManager of the Particle.
                                                   >> 108 
                                                   >> 109   protected:
                                                   >> 110 
                                                   >> 111      virtual G4double ComputeCrossSectionPerAtom(G4double PositKinEnergy,
                                                   >> 112                                                      G4double AtomicNumber);
                                                   >> 113 
                                                   >> 114      virtual G4double ComputeMeanFreePath(G4double PositKinEnergy, 
                                                   >> 115                                           G4Material* aMaterial);
                                                   >> 116 
                                                   >> 117   private:
                                                   >> 118   
                                                   >> 119    // hide assignment operator as private 
                                                   >> 120    G4eplusAnnihilation& operator=(const G4eplusAnnihilation &right);
                                                   >> 121    G4eplusAnnihilation(const G4eplusAnnihilation& );
                                                   >> 122       
                                                   >> 123   private:
                                                   >> 124 
                                                   >> 125      G4PhysicsTable* theCrossSectionTable;    // table for crossection
                                                   >> 126      G4PhysicsTable* theMeanFreePathTable;
                                                   >> 127      
                                                   >> 128      G4double LowestEnergyLimit ;      // low  energy limit of the crossection formula
                                                   >> 129      G4double HighestEnergyLimit ;     // high energy limit of the crossection formula 
                                                   >> 130      G4int NumbBinTable ;              // number of bins in the crossection table
109 };                                                131 };
110                                                   132 
111 //....oooOO0OOooo........oooOO0OOooo........oo << 133 #include "G4eplusAnnihilation.icc"
112                                                << 134   
113 #endif                                            135 #endif
                                                   >> 136  
114                                                   137