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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 * 21 // * any work based on the software) you ag << 19 // * based on the Program) you indicate your acceptance of this * 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: G4GammaConversionToMuons.hh,v 1.1 2004/11/19 18:44:04 vnivanch Exp $ >> 25 // GEANT4 tag $Name: geant4-07-00-patch-01 $ >> 26 // 27 // ------------ G4GammaConversionToMuo 27 // ------------ G4GammaConversionToMuons physics process ------ 28 // by H.Burkhardt, S. Kelner and R. Ko 28 // by H.Burkhardt, S. Kelner and R. Kokoulin, April 2002 29 // ------------------------------------------- 29 // ----------------------------------------------------------------------------- 30 // 30 // 31 // 05-08-04: suppression of .icc file (mma) 31 // 05-08-04: suppression of .icc file (mma) 32 // 13-08-04, public ComputeCrossSectionPerAtom << 32 // 13-08-04, public ComputeCrossSectionPerAtom() and ComputeMeanFreePath() (mma) 33 // 33 // 34 // class description 34 // class description 35 // 35 // 36 // gamma ---> mu+ mu- 36 // gamma ---> mu+ mu- 37 // inherit from G4VDiscreteProcess 37 // inherit from G4VDiscreteProcess 38 // 38 // 39 39 40 //....oooOO0OOooo........oooOO0OOooo........oo 40 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 41 41 42 #ifndef G4GammaConversionToMuons_h 42 #ifndef G4GammaConversionToMuons_h 43 #define G4GammaConversionToMuons_h 1 43 #define G4GammaConversionToMuons_h 1 44 44 45 #include "G4ios.hh" 45 #include "G4ios.hh" 46 #include "globals.hh" 46 #include "globals.hh" 47 #include "Randomize.hh" 47 #include "Randomize.hh" 48 #include "G4VDiscreteProcess.hh" 48 #include "G4VDiscreteProcess.hh" 49 #include "G4PhysicsTable.hh" 49 #include "G4PhysicsTable.hh" 50 #include "G4PhysicsLogVector.hh" 50 #include "G4PhysicsLogVector.hh" 51 #include "G4ParticleDefinition.hh" << 52 #include "G4Element.hh" 51 #include "G4Element.hh" >> 52 #include "G4Gamma.hh" >> 53 #include "G4Electron.hh" >> 54 #include "G4Positron.hh" 53 #include "G4Step.hh" 55 #include "G4Step.hh" 54 #include <vector> << 55 56 56 //....oooOO0OOooo........oooOO0OOooo........oo 57 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 57 58 58 class G4LossTableManager; << 59 class G4BetheHeitler5DModel; << 60 << 61 class G4GammaConversionToMuons : public G4VDis 59 class G4GammaConversionToMuons : public G4VDiscreteProcess >> 60 62 { 61 { 63 public: // with description << 62 public: // with description 64 63 65 explicit G4GammaConversionToMuons( << 64 G4GammaConversionToMuons(const G4String& processName ="GammaToMuPair", 66 const G4String& proces << 65 G4ProcessType type = fElectromagnetic); 67 G4ProcessType type = f << 68 66 69 ~G4GammaConversionToMuons() override; << 67 ~G4GammaConversionToMuons(); 70 68 71 G4bool IsApplicable(const G4ParticleDefiniti << 69 G4bool IsApplicable(const G4ParticleDefinition&); 72 // true for Gamma only. 70 // true for Gamma only. 73 71 74 void BuildPhysicsTable(const G4ParticleDefin << 72 void BuildPhysicsTable(const G4ParticleDefinition&); 75 // here dummy, the total cross section 73 // here dummy, the total cross section parametrization is used rather 76 // than tables, just calling PrintInfo 74 // than tables, just calling PrintInfoDefinition 77 75 78 void PrintInfoDefinition(); << 76 void PrintInfoDefinition(); 79 // Print few lines of informations abou 77 // Print few lines of informations about the process: validity range, 80 // origine ..etc.. 78 // origine ..etc.. 81 // Invoked by BuildThePhysicsTable(). 79 // Invoked by BuildThePhysicsTable(). 82 80 83 void SetCrossSecFactor(G4double fac); << 81 void SetCrossSecFactor(G4double fac); 84 // Set the factor to artificially incre 82 // Set the factor to artificially increase the crossSection (default 1) 85 83 86 inline G4double GetCrossSecFactor() const { << 84 G4double GetCrossSecFactor() { return CrossSecFactor;} 87 // Get the factor to artificially incre 85 // Get the factor to artificially increase the cross section 88 86 89 G4double GetMeanFreePath(const G4Track& aTra << 87 G4double GetMeanFreePath(const G4Track& aTrack, 90 G4double previousSt << 88 G4double previousStepSize, 91 G4ForceCondition* c << 89 G4ForceCondition* condition); 92 // It returns the MeanFreePath of the p 90 // It returns the MeanFreePath of the process for the current track : 93 // (energy, material) 91 // (energy, material) 94 // The previousStepSize and G4ForceCond 92 // The previousStepSize and G4ForceCondition* are not used. 95 // This function overloads a virtual fu 93 // This function overloads a virtual function of the base class. 96 // It is invoked by the ProcessManager 94 // It is invoked by the ProcessManager of the Particle. 97 95 98 G4double GetCrossSectionPerAtom(const G4Dyna << 96 G4double GetCrossSectionPerAtom(const G4DynamicParticle* aDynamicGamma, 99 const G4Elem << 97 G4Element* anElement); 100 // It returns the total CrossSectionPer 98 // It returns the total CrossSectionPerAtom of the process, 101 // for the current DynamicGamma (energy 99 // for the current DynamicGamma (energy), in anElement. 102 100 103 G4VParticleChange* PostStepDoIt(const G4Trac << 101 G4VParticleChange* PostStepDoIt(const G4Track& aTrack, 104 const G4Step& aStep) override; << 102 const G4Step& aStep); 105 // It computes the final state of the p 103 // It computes the final state of the process (at end of step), 106 // returned as a ParticleChange object. 104 // returned as a ParticleChange object. 107 // This function overloads a virtual fu 105 // This function overloads a virtual function of the base class. 108 // It is invoked by the ProcessManager 106 // It is invoked by the ProcessManager of the Particle. 109 107 110 G4double ComputeCrossSectionPerAtom(G4double << 108 virtual >> 109 G4double ComputeCrossSectionPerAtom(G4double GammaEnergy, >> 110 G4double AtomicZ,G4double AtomicA); >> 111 >> 112 G4double ComputeMeanFreePath (G4double GammaEnergy, >> 113 G4Material* aMaterial); >> 114 >> 115 private: >> 116 >> 117 G4Element* SelectRandomAtom(const G4DynamicParticle* aDynamicGamma, >> 118 G4Material* aMaterial); >> 119 >> 120 private: >> 121 >> 122 // hide assignment operator as private >> 123 G4GammaConversionToMuons& operator=(const G4GammaConversionToMuons &right); >> 124 G4GammaConversionToMuons(const G4GammaConversionToMuons& ); >> 125 >> 126 private: >> 127 >> 128 G4double LowestEnergyLimit ; // low energy limit of the tables >> 129 G4double HighestEnergyLimit ; // high energy limit of the tables >> 130 >> 131 G4double fminimalEnergy; // minimalEnergy of produced particles 111 132 112 G4double ComputeMeanFreePath (G4double Gamma << 133 G4double MeanFreePath; // actual MeanFreePath (current medium) 113 const G4Materi << 134 G4double CrossSecFactor; // factor to artificially increase >> 135 // the cross section 114 136 115 // hide assignment operator as private << 116 G4GammaConversionToMuons& << 117 operator=(const G4GammaConversionToMuons &ri << 118 G4GammaConversionToMuons(const G4GammaConver << 119 << 120 private: << 121 << 122 const G4Element* SelectRandomAtom(const G4Dy << 123 const G4Ma << 124 << 125 G4double Mmuon; << 126 G4double Rc; << 127 G4double LimitEnergy; // energy lim << 128 G4double LowestEnergyLimit; // low energ << 129 G4double HighestEnergyLimit; // high energ << 130 G4double Energy5DLimit = 0.0; // high energ << 131 << 132 G4double MeanFreePath = DBL_MAX;// actual Me << 133 G4double CrossSecFactor = 1.0; // factor to << 134 // the cross << 135 << 136 G4LossTableManager* fManager; << 137 G4BetheHeitler5DModel* f5Dmodel = nullptr; << 138 const G4ParticleDefinition* theGamma; << 139 const G4ParticleDefinition* theMuonPlus; << 140 const G4ParticleDefinition* theMuonMinus; << 141 std::vector<G4double> temp; << 142 }; 137 }; 143 138 144 //....oooOO0OOooo........oooOO0OOooo........oo 139 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 145 140 146 #endif 141 #endif 147 142 148 143