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Geant4/processes/electromagnetic/highenergy/include/G4AnnihiToMuPair.hh

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Diff markup

Differences between /processes/electromagnetic/highenergy/include/G4AnnihiToMuPair.hh (Version 11.3.0) and /processes/electromagnetic/highenergy/include/G4AnnihiToMuPair.hh (Version 7.0)


  1 //                                                  1 //
  2 // *******************************************      2 // ********************************************************************
  3 // * License and Disclaimer                    <<   3 // * DISCLAIMER                                                       *
  4 // *                                                4 // *                                                                  *
  5 // * The  Geant4 software  is  copyright of th <<   5 // * The following disclaimer summarizes all the specific disclaimers *
  6 // * the Geant4 Collaboration.  It is provided <<   6 // * of contributors to this software. The specific disclaimers,which *
  7 // * conditions of the Geant4 Software License <<   7 // * govern, are listed with their locations in:                      *
  8 // * LICENSE and available at  http://cern.ch/ <<   8 // *   http://cern.ch/geant4/license                                  *
  9 // * include a list of copyright holders.      << 
 10 // *                                                9 // *                                                                  *
 11 // * Neither the authors of this software syst     10 // * Neither the authors of this software system, nor their employing *
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 14 // * regarding  this  software system or assum     13 // * regarding  this  software system or assume any liability for its *
 15 // * use.  Please see the license in the file  <<  14 // * use.                                                             *
 16 // * for the full disclaimer and the limitatio << 
 17 // *                                               15 // *                                                                  *
 18 // * This  code  implementation is the result  <<  16 // * This  code  implementation is the  intellectual property  of the *
 19 // * technical work of the GEANT4 collaboratio <<  17 // * GEANT4 collaboration.                                            *
 20 // * By using,  copying,  modifying or  distri <<  18 // * By copying,  distributing  or modifying the Program (or any work *
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 22 // * use  in  resulting  scientific  publicati <<  20 // * statement, and all its terms.                                    *
 23 // * acceptance of all terms of the Geant4 Sof << 
 24 // *******************************************     21 // ********************************************************************
 25 //                                                 22 //
 26 //                                                 23 //
                                                   >>  24 // $Id: G4AnnihiToMuPair.hh,v 1.1 2004/11/19 18:44:04 vnivanch Exp $
                                                   >>  25 // GEANT4 tag $Name: geant4-07-00-cand-01 $
 27 //                                                 26 //
 28 //         ------------ G4AnnihiToMuPair physi     27 //         ------------ G4AnnihiToMuPair physics process ------
 29 //         by H.Burkhardt, S. Kelner and R. Ko     28 //         by H.Burkhardt, S. Kelner and R. Kokoulin, November 2002
 30 // -------------------------------------------     29 // -----------------------------------------------------------------------------
 31                                                    30 
 32 // class description                               31 // class description
 33 //                                                 32 //
 34 // (high energy) e+ (atomic) e- ---> mu+ mu-       33 // (high energy) e+ (atomic) e- ---> mu+ mu-
 35 // inherit from G4VDiscreteProcess                 34 // inherit from G4VDiscreteProcess
 36 //                                                 35 //
 37 //....oooOO0OOooo........oooOO0OOooo........oo     36 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......//
 38 //                                                 37 //
 39 // 04.02.03 : cosmetic simplifications (mma)       38 // 04.02.03 : cosmetic simplifications (mma)
 40 // 27.01.03 : first implementation (hbu)           39 // 27.01.03 : first implementation (hbu)
 41 //                                                 40 //
 42 //....oooOO0OOooo........oooOO0OOooo........oo     41 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 43                                                    42 
 44 #ifndef G4AnnihiToMuPair_h                         43 #ifndef G4AnnihiToMuPair_h
 45 #define G4AnnihiToMuPair_h 1                       44 #define G4AnnihiToMuPair_h 1
 46                                                    45 
 47 #include "G4VDiscreteProcess.hh"                   46 #include "G4VDiscreteProcess.hh"
 48 #include "globals.hh"                              47 #include "globals.hh"
 49                                                    48 
 50 class G4LossTableManager;                      << 
 51 class G4ParticleDefinition;                        49 class G4ParticleDefinition;
 52 class G4Track;                                     50 class G4Track;
 53 class G4Step;                                      51 class G4Step;
 54                                                    52 
 55 //....oooOO0OOooo........oooOO0OOooo........oo     53 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 56                                                    54 
 57 class G4AnnihiToMuPair : public G4VDiscretePro     55 class G4AnnihiToMuPair : public G4VDiscreteProcess
 58 {                                                  56 {
 59 public:  // with description                   <<  57   public:  // with description
 60                                                    58 
 61   explicit G4AnnihiToMuPair(const G4String& pr <<  59      G4AnnihiToMuPair(const G4String& processName ="AnnihiToMuPair",
 62           G4ProcessType type = fElectromagneti <<  60                 G4ProcessType type = fElectromagnetic);
 63                                                    61 
 64   ~G4AnnihiToMuPair() override;                <<  62     ~G4AnnihiToMuPair();
 65                                                    63 
 66   G4bool IsApplicable(const G4ParticleDefiniti <<  64      G4bool IsApplicable(const G4ParticleDefinition&);
 67   // true for positron only.                   <<  65        // true for positron only.
 68                                                <<  66 
 69   void BuildPhysicsTable(const G4ParticleDefin <<  67      void BuildPhysicsTable(const G4ParticleDefinition&);
 70   // here dummy, just calling PrintInfoDefinit <<  68        // here dummy, just calling PrintInfoDefinition
 71   // the total cross section is calculated ana <<  69        // the total cross section is calculated analytically
 72                                                <<  70 
 73   void PrintInfoDefinition();                  <<  71      void PrintInfoDefinition();
 74   // Print few lines of informations about the <<  72        // Print few lines of informations about the process: validity range,
 75   // origine ..etc..                           <<  73        // origine ..etc..
 76   // Invoked by BuildPhysicsTable().           <<  74        // Invoked by BuildPhysicsTable().
 77                                                <<  75 
 78   void SetCrossSecFactor(G4double fac);        <<  76      void SetCrossSecFactor(G4double fac);
 79   // Set the factor to artificially increase t <<  77        // Set the factor to artificially increase the crossSection (default 1)
 80                                                <<  78 
 81   G4double GetCrossSecFactor() {return fCrossS <<  79      G4double GetCrossSecFactor() {return CrossSecFactor;};
 82   // Get the factor to artificially increase t <<  80        // Get the factor to artificially increase the cross section
 83                                                <<  81 
 84   G4double CrossSectionPerVolume(G4double posi <<  82      virtual       
 85                                                <<  83      G4double ComputeCrossSectionPerAtom(G4double PositronEnergy,
 86   G4double ComputeCrossSectionPerElectron(cons <<  84                                          G4double AtomicZ);
 87                                                <<  85        // Compute total cross section          
 88   G4double ComputeCrossSectionPerAtom(const G4 <<  86 
 89                                                <<  87      G4double GetMeanFreePath(const G4Track& aTrack,
 90   G4double GetMeanFreePath(const G4Track& aTra <<  88                               G4double previousStepSize,
 91          G4double previousStepSize,            <<  89                               G4ForceCondition* );
 92          G4ForceCondition* ) override;         <<  90        // It returns the MeanFreePath of the process for the current track :
 93   // It returns the MeanFreePath of the proces <<  91        // (energy, material)
 94   // (energy, material)                        <<  92        // The previousStepSize and G4ForceCondition* are not used.
 95   // The previousStepSize and G4ForceCondition <<  93        // This function overloads a virtual function of the base class.
 96   // This function overloads a virtual functio <<  94        // It is invoked by the ProcessManager of the Particle.
 97   // It is invoked by the ProcessManager of th <<  95 
 98                                                <<  96      G4VParticleChange* PostStepDoIt(const G4Track& aTrack,
 99   G4VParticleChange* PostStepDoIt(const G4Trac <<  97                                     const G4Step& aStep);
100           const G4Step& aStep) override;       <<  98        // It computes the final state of the process (at end of step),
101   // It computes the final state of the proces <<  99        // returned as a ParticleChange object.
102   // returned as a ParticleChange object.      << 100        // This function overloads a virtual function of the base class.
103   // This function overloads a virtual functio << 101        // It is invoked by the ProcessManager of the Particle.
104   // It is invoked by the ProcessManager of th << 102 
105                                                << 103   private:
106   // hide assignment operator as private       << 104 
107   G4AnnihiToMuPair& operator=(const G4AnnihiTo << 105      // hide assignment operator as private
108   G4AnnihiToMuPair(const G4AnnihiToMuPair& ) = << 106      G4AnnihiToMuPair& operator=(const G4AnnihiToMuPair &right);
109                                                << 107      G4AnnihiToMuPair(const G4AnnihiToMuPair& );
110 private:                                       << 108 
111                                                << 109   private:
112   G4LossTableManager* fManager;                << 110 
113   const G4ParticleDefinition* part1;           << 111      G4double LowestEnergyLimit;     // Energy threshold of e+
114   const G4ParticleDefinition* part2;           << 112      G4double HighestEnergyLimit;    // Limit of validity of the model
115   G4double fMass;                              << 113 
116                                                << 114      G4double CrossSecFactor;        // factor to artificially increase 
117   G4double fLowEnergyLimit;  // Energy thresho << 115                                      // the cross section, static to make sure
118   G4double fHighEnergyLimit; // Limit of valid << 116              // to have single value
119   G4double fCurrentSigma;    // the last value << 
120   G4double fCrossSecFactor;  // factor to incr << 
121   G4String fInfo = "e+e->mu+mu-";              << 
122 };                                                117 };
123                                                   118 
124 //....oooOO0OOooo........oooOO0OOooo........oo    119 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
125                                                   120 
126 #endif                                            121 #endif
127                                                   122 
128                                                   123