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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: G4eCoulombScatteringModel 32 // File name: G4eCoulombScatteringModel 33 // 33 // 34 // Author: Vladimir Ivanchenko 34 // Author: Vladimir Ivanchenko 35 // 35 // 36 // Creation date: 19.02.2006 36 // Creation date: 19.02.2006 37 // 37 // 38 // Modifications: 38 // Modifications: 39 // 01.08.06 V.Ivanchenko extend upper limit of 39 // 01.08.06 V.Ivanchenko extend upper limit of table to TeV and review the 40 // logic of building - only elements 40 // logic of building - only elements from G4ElementTable 41 // 08.08.06 V.Ivanchenko build internal table 41 // 08.08.06 V.Ivanchenko build internal table in ekin scale, introduce faclim 42 // 19.08.06 V.Ivanchenko add inline function S 42 // 19.08.06 V.Ivanchenko add inline function ScreeningParameter and 43 // make some members pro 43 // make some members protected 44 // 09.10.07 V.Ivanchenko reorganized methods, 44 // 09.10.07 V.Ivanchenko reorganized methods, add cut dependence in scattering off e- 45 // 09.06.08 V.Ivanchenko add SelectIsotope and 45 // 09.06.08 V.Ivanchenko add SelectIsotope and sampling of the recoil ion 46 // 17.06.09 C.Consoalndi modified SetupTarget 46 // 17.06.09 C.Consoalndi modified SetupTarget method - remove kinFactor 47 // 27.05.10 V.Ivanchenko added G4WentzelOKandV 47 // 27.05.10 V.Ivanchenko added G4WentzelOKandVIxSection class to 48 // compute cross sections and sam 48 // compute cross sections and sample scattering angle 49 // 49 // 50 // 50 // 51 // Class Description: 51 // Class Description: 52 // 52 // 53 // Implementation of eCoulombScattering of a c 53 // Implementation of eCoulombScattering of a charge particle 54 // on Atomic Nucleus for interval of scatterin 54 // on Atomic Nucleus for interval of scattering anles in Lab system 55 // thetaMin - ThetaMax. 55 // thetaMin - ThetaMax. 56 // The model based on analysis of J.M.Fernan 56 // The model based on analysis of J.M.Fernandez-Varea et al. 57 // NIM B73(1993)447 originated from G.Wentzel 57 // NIM B73(1993)447 originated from G.Wentzel Z.Phys. 40(1927)590 with 58 // screening parameter from H.A.Bethe Phys. Re 58 // screening parameter from H.A.Bethe Phys. Rev. 89 (1953) 1256. 59 // 59 // 60 60 61 // ------------------------------------------- 61 // ------------------------------------------------------------------- 62 // 62 // 63 63 64 #ifndef G4eCoulombScatteringModel_h 64 #ifndef G4eCoulombScatteringModel_h 65 #define G4eCoulombScatteringModel_h 1 65 #define G4eCoulombScatteringModel_h 1 66 66 67 #include "G4VEmModel.hh" 67 #include "G4VEmModel.hh" 68 #include "globals.hh" 68 #include "globals.hh" 69 #include "G4MaterialCutsCouple.hh" 69 #include "G4MaterialCutsCouple.hh" 70 #include "G4WentzelOKandVIxSection.hh" 70 #include "G4WentzelOKandVIxSection.hh" 71 71 72 class G4ParticleChangeForGamma; 72 class G4ParticleChangeForGamma; 73 class G4ParticleDefinition; 73 class G4ParticleDefinition; 74 class G4IonTable; 74 class G4IonTable; 75 class G4NistManager; 75 class G4NistManager; 76 76 77 class G4eCoulombScatteringModel : public G4VEm 77 class G4eCoulombScatteringModel : public G4VEmModel 78 { 78 { 79 79 80 public: 80 public: 81 81 82 explicit G4eCoulombScatteringModel(G4bool co 82 explicit G4eCoulombScatteringModel(G4bool combined = true); 83 83 84 ~G4eCoulombScatteringModel() override; << 84 virtual ~G4eCoulombScatteringModel(); 85 85 86 void Initialise(const G4ParticleDefinition*, << 86 virtual void Initialise(const G4ParticleDefinition*, >> 87 const G4DataVector&) override; 87 88 88 void InitialiseLocal(const G4ParticleDefinit << 89 virtual void InitialiseLocal(const G4ParticleDefinition*, 89 G4VEmModel* masterModel << 90 G4VEmModel* masterModel) override; 90 91 91 G4double ComputeCrossSectionPerAtom( << 92 virtual G4double ComputeCrossSectionPerAtom( 92 const G4Partic 93 const G4ParticleDefinition*, 93 G4double kinEnergy, 94 G4double kinEnergy, 94 G4double Z, 95 G4double Z, 95 G4double A, 96 G4double A, 96 G4double cut, 97 G4double cut, 97 G4double emax) override; 98 G4double emax) override; 98 99 99 void SampleSecondaries(std::vector<G4Dynamic << 100 virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*, 100 const G4MaterialCutsCouple*, << 101 const G4MaterialCutsCouple*, 101 const G4DynamicParticle*, << 102 const G4DynamicParticle*, 102 G4double tmin, << 103 G4double tmin, 103 G4double maxEnergy) override; << 104 G4double maxEnergy) override; 104 << 105 105 G4double MinPrimaryEnergy(const G4Material*, << 106 virtual G4double MinPrimaryEnergy(const G4Material*, 106 G4double) final; << 107 const G4ParticleDefinition*, >> 108 G4double) final; 107 109 108 // defines low energy limit of the model 110 // defines low energy limit of the model 109 inline void SetLowEnergyThreshold(G4double v 111 inline void SetLowEnergyThreshold(G4double val); 110 112 111 // user definition of low-energy threshold o 113 // user definition of low-energy threshold of recoil 112 inline void SetRecoilThreshold(G4double eth) 114 inline void SetRecoilThreshold(G4double eth); 113 115 114 // defines low energy limit on energy transf 116 // defines low energy limit on energy transfer to atomic electron 115 inline void SetFixedCut(G4double); 117 inline void SetFixedCut(G4double); 116 118 117 // low energy limit on energy transfer to at 119 // low energy limit on energy transfer to atomic electron 118 inline G4double GetFixedCut() const; 120 inline G4double GetFixedCut() const; 119 121 120 // hide assignment operator << 121 G4eCoulombScatteringModel & operator= << 122 (const G4eCoulombScatteringModel &right) = d << 123 G4eCoulombScatteringModel(const G4eCoulombS << 124 << 125 protected: 122 protected: 126 123 127 inline void DefineMaterial(const G4MaterialC 124 inline void DefineMaterial(const G4MaterialCutsCouple*); 128 125 129 inline void SetupParticle(const G4ParticleDe 126 inline void SetupParticle(const G4ParticleDefinition*); 130 127 131 private: 128 private: 132 129 133 G4IonTable* theIonTable; << 130 // hide assignment operator 134 G4ParticleChangeForGamma* fParticleChange = << 131 G4eCoulombScatteringModel & operator= >> 132 (const G4eCoulombScatteringModel &right) = delete; >> 133 G4eCoulombScatteringModel(const G4eCoulombScatteringModel&) = delete; >> 134 >> 135 //protected: >> 136 >> 137 G4IonTable* theIonTable; >> 138 G4ParticleChangeForGamma* fParticleChange; 135 G4WentzelOKandVIxSection* wokvi; 139 G4WentzelOKandVIxSection* wokvi; 136 G4NistManager* fNistManager; << 140 G4NistManager* fNistManager; 137 141 138 const std::vector<G4double>* pCuts = nullptr << 142 const std::vector<G4double>* pCuts; 139 143 140 const G4ParticleDefinition* particle = nullp << 144 const G4MaterialCutsCouple* currentCouple; 141 const G4ParticleDefinition* theProton; << 145 const G4Material* currentMaterial; >> 146 G4int currentMaterialIndex; 142 147 143 const G4MaterialCutsCouple* currentCouple = << 148 G4double cosThetaMin; 144 const G4Material* currentMaterial = nullptr; << 149 G4double cosThetaMax; 145 G4int currentMaterialIndex = 0; << 150 G4double recoilThreshold; 146 << 151 G4double elecRatio; 147 G4double cosThetaMin = 1.0; << 152 G4double mass; 148 G4double cosThetaMax = -1.0; << 153 149 G4double recoilThreshold = 0.0; << 154 G4double fixedCut; 150 G4double elecRatio = 0.0; << 155 151 G4double fixedCut = -1.0; << 156 // projectile 152 G4double mass; << 157 const G4ParticleDefinition* particle; >> 158 const G4ParticleDefinition* theProton; 153 159 154 G4bool isCombined; << 160 G4bool isCombined; 155 }; 161 }; 156 162 157 //....oooOO0OOooo........oooOO0OOooo........oo 163 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 158 164 159 inline 165 inline 160 void G4eCoulombScatteringModel::DefineMaterial 166 void G4eCoulombScatteringModel::DefineMaterial(const G4MaterialCutsCouple* cup) 161 { 167 { 162 if(cup != currentCouple) { 168 if(cup != currentCouple) { 163 currentCouple = cup; 169 currentCouple = cup; 164 currentMaterial = cup->GetMaterial(); 170 currentMaterial = cup->GetMaterial(); 165 currentMaterialIndex = currentCouple->GetI 171 currentMaterialIndex = currentCouple->GetIndex(); 166 } 172 } 167 } 173 } 168 174 169 //....oooOO0OOooo........oooOO0OOooo........oo 175 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 170 176 171 inline 177 inline 172 void G4eCoulombScatteringModel::SetupParticle( 178 void G4eCoulombScatteringModel::SetupParticle(const G4ParticleDefinition* p) 173 { 179 { 174 // Initialise mass and charge 180 // Initialise mass and charge 175 if(p != particle) { 181 if(p != particle) { 176 particle = p; 182 particle = p; 177 mass = particle->GetPDGMass(); 183 mass = particle->GetPDGMass(); 178 wokvi->SetupParticle(p); 184 wokvi->SetupParticle(p); 179 } 185 } 180 } 186 } 181 187 182 //....oooOO0OOooo........oooOO0OOooo........oo 188 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 183 189 184 inline void G4eCoulombScatteringModel::SetReco 190 inline void G4eCoulombScatteringModel::SetRecoilThreshold(G4double eth) 185 { 191 { 186 recoilThreshold = eth; 192 recoilThreshold = eth; 187 } 193 } 188 194 189 //....oooOO0OOooo........oooOO0OOooo........oo 195 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 190 196 191 inline void G4eCoulombScatteringModel::SetFixe 197 inline void G4eCoulombScatteringModel::SetFixedCut(G4double val) 192 { 198 { 193 fixedCut = val; 199 fixedCut = val; 194 } 200 } 195 201 196 //....oooOO0OOooo........oooOO0OOooo........oo 202 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 197 203 198 inline G4double G4eCoulombScatteringModel::Get 204 inline G4double G4eCoulombScatteringModel::GetFixedCut() const 199 { 205 { 200 return fixedCut; 206 return fixedCut; 201 } 207 } 202 208 203 //....oooOO0OOooo........oooOO0OOooo........oo 209 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 204 210 205 #endif 211 #endif 206 212