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Please see the license in the file LICENSE and URL above * 16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. * 17 // * 17 // * * 18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and * 19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. * 20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or * 21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its * 22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your * 23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. * 24 // ******************************************* 24 // ******************************************************************** 25 // 25 // 26 // 26 // 27 // ------------------------------------------- 27 // ------------------------------------------------------------------- 28 // 28 // 29 // GEANT4 Class header file 29 // GEANT4 Class header file 30 // 30 // 31 // 31 // 32 // File name: G4BetheBlochModel 32 // File name: G4BetheBlochModel 33 // 33 // 34 // Author: Vladimir Ivanchenko on base 34 // Author: Vladimir Ivanchenko on base of Laszlo Urban code 35 // 35 // 36 // Creation date: 03.01.2002 36 // Creation date: 03.01.2002 37 // 37 // 38 // Modifications: 38 // Modifications: 39 // 39 // 40 // Modified by Michel Maire and Vladimir Ivanc 40 // Modified by Michel Maire and Vladimir Ivanchenko 41 // 41 // 42 // Class Description: 42 // Class Description: 43 // 43 // 44 // Implementation of Bethe-Bloch model of ener 44 // Implementation of Bethe-Bloch model of energy loss and 45 // delta-electron production by heavy charged 45 // delta-electron production by heavy charged particles 46 46 47 // ------------------------------------------- 47 // ------------------------------------------------------------------- 48 // 48 // 49 49 50 #ifndef G4BetheBlochModel_h 50 #ifndef G4BetheBlochModel_h 51 #define G4BetheBlochModel_h 1 51 #define G4BetheBlochModel_h 1 52 52 53 #include "G4VEmModel.hh" 53 #include "G4VEmModel.hh" 54 54 55 class G4EmCorrections; 55 class G4EmCorrections; 56 class G4ParticleChangeForLoss; 56 class G4ParticleChangeForLoss; 57 class G4ICRU90StoppingData; 57 class G4ICRU90StoppingData; 58 class G4NistManager; 58 class G4NistManager; 59 59 60 class G4BetheBlochModel : public G4VEmModel 60 class G4BetheBlochModel : public G4VEmModel 61 { 61 { 62 62 63 public: 63 public: 64 64 65 explicit G4BetheBlochModel(const G4ParticleD 65 explicit G4BetheBlochModel(const G4ParticleDefinition* p = nullptr, 66 const G4String& nam = "BetheBloch") 66 const G4String& nam = "BetheBloch"); 67 67 68 ~G4BetheBlochModel() override; 68 ~G4BetheBlochModel() override; 69 69 70 void Initialise(const G4ParticleDefinition*, 70 void Initialise(const G4ParticleDefinition*, const G4DataVector&) override; 71 71 72 G4double MinEnergyCut(const G4ParticleDefini 72 G4double MinEnergyCut(const G4ParticleDefinition*, 73 const G4MaterialCutsCouple* couple) over 73 const G4MaterialCutsCouple* couple) override; 74 74 75 virtual G4double ComputeCrossSectionPerElect 75 virtual G4double ComputeCrossSectionPerElectron( 76 const G4ParticleDefinition*, 76 const G4ParticleDefinition*, 77 G4double kineticEnergy, 77 G4double kineticEnergy, 78 G4double cutEnergy, 78 G4double cutEnergy, 79 G4double maxEnergy); 79 G4double maxEnergy); 80 80 81 G4double ComputeCrossSectionPerAtom( 81 G4double ComputeCrossSectionPerAtom( 82 const G4ParticleDefinition*, 82 const G4ParticleDefinition*, 83 G4double kineticEnergy, 83 G4double kineticEnergy, 84 G4double Z, G4double A, 84 G4double Z, G4double A, 85 G4double cutEnergy, 85 G4double cutEnergy, 86 G4double maxEnergy) override; 86 G4double maxEnergy) override; 87 87 88 G4double CrossSectionPerVolume(const G4Mater 88 G4double CrossSectionPerVolume(const G4Material*, 89 const G4ParticleDefinition*, 89 const G4ParticleDefinition*, 90 G4double kineticEnergy, 90 G4double kineticEnergy, 91 G4double cutEnergy, 91 G4double cutEnergy, 92 G4double maxEnergy) override; 92 G4double maxEnergy) override; 93 93 94 G4double ComputeDEDXPerVolume(const G4Materi 94 G4double ComputeDEDXPerVolume(const G4Material*, 95 const G4ParticleDefinition*, 95 const G4ParticleDefinition*, 96 G4double kineticEnergy, 96 G4double kineticEnergy, 97 G4double cutEnergy) override; 97 G4double cutEnergy) override; 98 98 99 G4double GetChargeSquareRatio(const G4Partic 99 G4double GetChargeSquareRatio(const G4ParticleDefinition* p, 100 const G4Material* mat, 100 const G4Material* mat, 101 G4double kineticEnergy) override; 101 G4double kineticEnergy) override; 102 102 103 G4double GetParticleCharge(const G4ParticleD 103 G4double GetParticleCharge(const G4ParticleDefinition* p, 104 const G4Material* mat, 104 const G4Material* mat, 105 G4double kineticEnergy) override; 105 G4double kineticEnergy) override; 106 106 107 void CorrectionsAlongStep(const G4MaterialCu 107 void CorrectionsAlongStep(const G4MaterialCutsCouple* couple, 108 const G4DynamicParticle* dp, 108 const G4DynamicParticle* dp, 109 const G4double& length, 109 const G4double& length, 110 G4double& eloss) override; 110 G4double& eloss) override; 111 111 112 void SampleSecondaries(std::vector<G4Dynamic 112 void SampleSecondaries(std::vector<G4DynamicParticle*>*, 113 const G4MaterialCutsCouple*, 113 const G4MaterialCutsCouple*, 114 const G4DynamicParticle*, 114 const G4DynamicParticle*, 115 G4double tmin, 115 G4double tmin, 116 G4double maxEnergy) override; 116 G4double maxEnergy) override; 117 117 118 // hide assignment operator 118 // hide assignment operator 119 G4BetheBlochModel & operator=(const G4BetheB 119 G4BetheBlochModel & operator=(const G4BetheBlochModel &right) = delete; 120 G4BetheBlochModel(const G4BetheBlochModel&) 120 G4BetheBlochModel(const G4BetheBlochModel&) = delete; 121 121 122 protected: 122 protected: 123 123 124 G4double MaxSecondaryEnergy(const G4Particle 124 G4double MaxSecondaryEnergy(const G4ParticleDefinition*, 125 G4double kinEnergy) override; 125 G4double kinEnergy) override; 126 126 127 inline G4double GetChargeSquareRatio() const 127 inline G4double GetChargeSquareRatio() const; 128 128 129 inline void SetChargeSquareRatio(G4double va 129 inline void SetChargeSquareRatio(G4double val); 130 130 131 private: 131 private: 132 132 133 void SetupParameters(const G4ParticleDefinit 133 void SetupParameters(const G4ParticleDefinition* p); 134 134 135 const G4ParticleDefinition* particle = nullp 135 const G4ParticleDefinition* particle = nullptr; 136 const G4ParticleDefinition* theElectron; 136 const G4ParticleDefinition* theElectron; 137 G4EmCorrections* corr; 137 G4EmCorrections* corr; 138 G4ParticleChangeForLoss* fParticleChange 138 G4ParticleChangeForLoss* fParticleChange = nullptr; 139 G4NistManager* nist; 139 G4NistManager* nist; 140 G4ICRU90StoppingData* fICRU90 = nullpt 140 G4ICRU90StoppingData* fICRU90 = nullptr; 141 const G4Material* currentMaterial 141 const G4Material* currentMaterial = nullptr; 142 const G4Material* baseMaterial = n 142 const G4Material* baseMaterial = nullptr; 143 143 144 G4double mass = 0.0; 144 G4double mass = 0.0; 145 G4double tlimit = DBL_MAX; 145 G4double tlimit = DBL_MAX; 146 G4double spin = 0.0; 146 G4double spin = 0.0; 147 G4double magMoment2 = 0.0; 147 G4double magMoment2 = 0.0; 148 G4double chargeSquare = 1.0; 148 G4double chargeSquare = 1.0; 149 G4double ratio = 1.0; 149 G4double ratio = 1.0; 150 G4double formfact = 0.0; 150 G4double formfact = 0.0; 151 G4double twoln10; 151 G4double twoln10; 152 G4double fAlphaTlimit; 152 G4double fAlphaTlimit; 153 G4double fProtonTlimit; 153 G4double fProtonTlimit; 154 154 155 G4int iICRU90 = -1; 155 G4int iICRU90 = -1; 156 G4bool isIon = false; 156 G4bool isIon = false; 157 G4bool isAlpha = false; 157 G4bool isAlpha = false; 158 }; 158 }; 159 159 160 //....oooOO0OOooo........oooOO0OOooo........oo 160 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 161 161 162 inline G4double G4BetheBlochModel::GetChargeSq 162 inline G4double G4BetheBlochModel::GetChargeSquareRatio() const 163 { 163 { 164 return chargeSquare; 164 return chargeSquare; 165 } 165 } 166 166 167 //....oooOO0OOooo........oooOO0OOooo........oo 167 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 168 168 169 inline void G4BetheBlochModel::SetChargeSquare 169 inline void G4BetheBlochModel::SetChargeSquareRatio(G4double val) 170 { 170 { 171 chargeSquare = val; 171 chargeSquare = val; 172 } 172 } 173 173 174 //....oooOO0OOooo........oooOO0OOooo........oo 174 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 175 175 176 #endif 176 #endif 177 177