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58 class G4ParticleDefinition; 62 class G4Material; 59 class G4Material; 63 class G4MaterialCutsCouple; 60 class G4MaterialCutsCouple; >> 61 class G4ProductionCuts; 64 62 65 //....oooOO0OOooo........oooOO0OOooo........oo 63 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 66 64 67 class G4EnergyLossForExtrapolator 65 class G4EnergyLossForExtrapolator 68 { 66 { 69 public: 67 public: 70 << 68 G4EnergyLossForExtrapolator(G4int verb = 1); 71 explicit G4EnergyLossForExtrapolator(G4int v << 72 69 73 ~G4EnergyLossForExtrapolator(); 70 ~G4EnergyLossForExtrapolator(); 74 71 75 void Initialisation(); << 72 G4double ComputeDEDX(G4double kinEnergy, const G4ParticleDefinition*); 76 << 77 G4double ComputeDEDX(G4double kinEnergy, con << 78 const G4Material*); << 79 73 80 G4double ComputeRange(G4double kinEnergy, co << 74 G4double ComputeRange(G4double kinEnergy, const G4ParticleDefinition*); 81 const G4Material*); << 82 75 83 G4double ComputeEnergy(G4double range, const << 76 G4double ComputeEnergy(G4double range, const G4ParticleDefinition*); 84 const G4Material*); << 85 77 86 G4double EnergyAfterStep(G4double kinEnergy, 78 G4double EnergyAfterStep(G4double kinEnergy, G4double step, 87 const G4Material*, const G4ParticleDe 79 const G4Material*, const G4ParticleDefinition*); 88 80 89 G4double EnergyBeforeStep(G4double kinEnergy 81 G4double EnergyBeforeStep(G4double kinEnergy, G4double step, 90 const G4Material*, const G4Par << 82 const G4Material*, const G4ParticleDefinition*); 91 << 92 G4double TrueStepLength(G4double kinEnergy, << 93 const G4Material*, const G4ParticleDef << 94 83 95 inline G4double EnergyAfterStep(G4double kin 84 inline G4double EnergyAfterStep(G4double kinEnergy, G4double step, 96 const G4Material*, << 85 const G4Material*, const G4String& particleName); 97 const G4Stri << 98 86 99 inline G4double EnergyBeforeStep(G4double ki 87 inline G4double EnergyBeforeStep(G4double kinEnergy, G4double step, 100 const G4Material*, << 88 const G4Material*, const G4String& particleName); 101 const G4Str << 102 89 103 G4double AverageScatteringAngle(G4double kin << 90 inline G4double AverageScatteringAngle(G4double kinEnergy, G4double step, 104 const G4Material*, << 91 const G4Material*, const G4ParticleDefinition* part); 105 const G4ParticleDefinition* part); << 106 92 107 inline G4double AverageScatteringAngle(G4dou 93 inline G4double AverageScatteringAngle(G4double kinEnergy, G4double step, 108 const G4Material*, << 94 const G4Material*, const G4String& particleName); 109 const G4String& particleName); << 110 95 111 inline G4double ComputeTrueStep(const G4Mate << 96 inline G4double EnergyDispersion(G4double kinEnergy, G4double step, 112 const G4ParticleDefinition* part, << 97 const G4Material*, const G4ParticleDefinition*); 113 G4double kinEnergy, G4double stepLen << 114 << 115 G4double EnergyDispersion(G4double kinEnergy << 116 const G4Material*, << 117 const G4ParticleDefinition*); << 118 98 119 inline G4double EnergyDispersion(G4double ki 99 inline G4double EnergyDispersion(G4double kinEnergy, G4double step, 120 const G4Material*, << 100 const G4Material*, const G4String& particleName); 121 const G4Str << 122 101 123 inline void SetVerbose(G4int val); 102 inline void SetVerbose(G4int val); 124 103 125 inline void SetMinKinEnergy(G4double); 104 inline void SetMinKinEnergy(G4double); 126 105 127 inline void SetMaxKinEnergy(G4double); 106 inline void SetMaxKinEnergy(G4double); 128 << 129 inline void SetMaxEnergyTransfer(G4double); << 130 << 131 // hide assignment operator << 132 G4EnergyLossForExtrapolator & operator= << 133 (const G4EnergyLossForExtrapolator &right) = << 134 G4EnergyLossForExtrapolator(const G4EnergyLo << 135 107 136 private: 108 private: 137 109 138 G4bool SetupKinematics(const G4ParticleDefin << 110 void Initialisation(); 139 G4double kinEnergy); << 111 >> 112 G4PhysicsTable* PrepareTable(); 140 113 141 const G4ParticleDefinition* FindParticle(con 114 const G4ParticleDefinition* FindParticle(const G4String& name); 142 115 143 inline G4double ComputeValue(G4double x, con << 116 void ComputeElectronDEDX(const G4ParticleDefinition* part, G4PhysicsTable* table); 144 size_t idxMat); << 145 117 146 inline const G4PhysicsTable* GetPhysicsTable << 118 void ComputeMuonDEDX(const G4ParticleDefinition* part, G4PhysicsTable* table); 147 119 148 #ifdef G4MULTITHREADED << 120 void ComputeProtonDEDX(const G4ParticleDefinition* part, G4PhysicsTable* table); 149 static G4Mutex extrMutex; << 150 #endif << 151 static G4TablesForExtrapolator* tables; << 152 << 153 const G4ParticleDefinition* currentParticle << 154 const G4ParticleDefinition* electron = nullp << 155 const G4ParticleDefinition* positron = nullp << 156 const G4ParticleDefinition* muonPlus = nullp << 157 const G4ParticleDefinition* muonMinus= nullp << 158 const G4ParticleDefinition* proton = nullptr << 159 const G4Material* currentMaterial = nullptr; << 160 << 161 G4double electronDensity = 0.0; << 162 G4double radLength = 0.0; << 163 G4double charge2 = 0.0; << 164 G4double kineticEnergy = 0.0; << 165 G4double gam = 1.0; << 166 G4double bg2 = 0.0; << 167 G4double beta2 = 0.0; << 168 G4double tmax = 0.0; << 169 << 170 G4double linLossLimit = 0.01; << 171 G4double emin = 0.0; << 172 G4double emax = 0.0; << 173 G4double maxEnergyTransfer = 0.0; << 174 << 175 size_t index = 0; << 176 size_t nmat = 0; << 177 G4int nbins = 80; << 178 G4int verbose = 0; << 179 121 180 G4bool isMaster = false; << 122 G4double ComputeTrueStep(const G4Material*, const G4ParticleDefinition* part, 181 }; << 123 G4double kinEnergy, G4double stepLength); 182 124 183 //....oooOO0OOooo........oooOO0OOooo........oo << 125 inline G4double ComputeValue(G4double x, const G4PhysicsTable* table); 184 126 185 inline const G4PhysicsTable* << 127 inline G4double ComputeScatteringAngle(G4double x); 186 G4EnergyLossForExtrapolator::GetPhysicsTable(E << 128 187 { << 129 // hide assignment operator 188 return tables->GetPhysicsTable(type); << 130 G4EnergyLossForExtrapolator & operator=(const G4EnergyLossForExtrapolator &right); 189 } << 131 G4EnergyLossForExtrapolator(const G4EnergyLossForExtrapolator&); >> 132 >> 133 const G4ParticleDefinition* currentParticle; >> 134 const G4ParticleDefinition* electron; >> 135 const G4ParticleDefinition* positron; >> 136 const G4ParticleDefinition* muonPlus; >> 137 const G4ParticleDefinition* muonMinus; >> 138 const G4ParticleDefinition* proton; >> 139 >> 140 G4ProductionCuts* cuts; >> 141 std::vector<const G4MaterialCutsCouple*> couples; >> 142 >> 143 G4String currentParticleName; >> 144 >> 145 G4PhysicsTable* dedxElectron; >> 146 G4PhysicsTable* dedxPositron; >> 147 G4PhysicsTable* dedxMuon; >> 148 G4PhysicsTable* dedxProton; >> 149 G4PhysicsTable* rangeElectron; >> 150 G4PhysicsTable* rangePositron; >> 151 G4PhysicsTable* rangeMuon; >> 152 G4PhysicsTable* rangeProton; >> 153 G4PhysicsTable* invRangeElectron; >> 154 G4PhysicsTable* invRangePositron; >> 155 G4PhysicsTable* invRangeMuon; >> 156 G4PhysicsTable* invRangeProton; >> 157 >> 158 const G4Material* currentMaterial; >> 159 G4int index; >> 160 G4double electronDensity; >> 161 G4double radLength; >> 162 G4double mass; >> 163 G4double charge2; >> 164 G4double kineticEnergy; >> 165 G4double gam; >> 166 G4double bg2; >> 167 G4double beta2; >> 168 G4double tmax; >> 169 >> 170 G4double linLossLimit; >> 171 G4double emin; >> 172 G4double emax; >> 173 G4int nbins; >> 174 G4int nmat; >> 175 G4int verbose; >> 176 G4bool isInitialised; >> 177 }; 190 178 191 //....oooOO0OOooo........oooOO0OOooo........oo 179 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 192 180 193 inline G4double << 181 inline G4double G4EnergyLossForExtrapolator::EnergyAfterStep(G4double kinEnergy, 194 G4EnergyLossForExtrapolator::EnergyAfterStep(G << 182 G4double step, 195 G4double step, << 183 const G4Material* mat, 196 const G4Material* mat, << 184 const G4String& name) 197 const G4String& name) << 198 { 185 { 199 return EnergyAfterStep(kinEnergy,step,mat,Fi 186 return EnergyAfterStep(kinEnergy,step,mat,FindParticle(name)); 200 } 187 } 201 188 202 //....oooOO0OOooo........oooOO0OOooo........oo 189 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 203 190 204 inline G4double << 191 inline G4double G4EnergyLossForExtrapolator::EnergyBeforeStep(G4double kinEnergy, 205 G4EnergyLossForExtrapolator::EnergyBeforeStep( << 192 G4double step, 206 G4double step, << 193 const G4Material* mat, 207 const G4Material* mat, << 194 const G4String& name) 208 const G4String& name) << 209 { 195 { 210 return EnergyBeforeStep(kinEnergy,step,mat,F 196 return EnergyBeforeStep(kinEnergy,step,mat,FindParticle(name)); 211 } 197 } 212 198 213 //....oooOO0OOooo........oooOO0OOooo........oo 199 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 214 200 215 inline G4double << 201 inline G4double G4EnergyLossForExtrapolator::AverageScatteringAngle(G4double kinEnergy, 216 G4EnergyLossForExtrapolator::AverageScattering << 202 G4double step, 217 G4double step, << 203 const G4Material* mat, 218 const G4Material* mat, << 204 const G4String& name) 219 const G4String& name) << 220 { 205 { 221 return AverageScatteringAngle(kinEnergy,step 206 return AverageScatteringAngle(kinEnergy,step,mat,FindParticle(name)); 222 } 207 } 223 208 224 //....oooOO0OOooo........oooOO0OOooo........oo 209 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 225 210 226 inline G4double << 211 inline G4double G4EnergyLossForExtrapolator::EnergyDispersion(G4double kinEnergy, 227 G4EnergyLossForExtrapolator::EnergyDispersion( << 212 G4double step, 228 G4double step, << 213 const G4Material* mat, 229 const G4Material* mat, << 214 const G4String& name) 230 const G4String& name) << 231 { 215 { 232 return EnergyDispersion(kinEnergy,step,mat,F 216 return EnergyDispersion(kinEnergy,step,mat,FindParticle(name)); 233 } 217 } 234 218 235 //....oooOO0OOooo........oooOO0OOooo........oo 219 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 236 220 237 inline G4double << 221 inline G4double G4EnergyLossForExtrapolator::AverageScatteringAngle(G4double kinEnergy, 238 G4EnergyLossForExtrapolator::ComputeTrueStep(c << 222 G4double stepLength, 239 const G4ParticleDefinition* par << 223 const G4Material* mat, 240 G4double kinEnergy, << 224 const G4ParticleDefinition* part) 241 G4double stepLength) << 225 { >> 226 if(!isInitialised) Initialisation(); >> 227 G4double theta = 0.0; >> 228 if(mat && part && kinEnergy > 0.0) { >> 229 G4double step = ComputeTrueStep(mat,part,kinEnergy,stepLength); >> 230 if(step > 0.001*radLength) theta = ComputeScatteringAngle(stepLength); >> 231 } >> 232 return theta; >> 233 } >> 234 >> 235 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... >> 236 >> 237 inline G4double G4EnergyLossForExtrapolator::ComputeScatteringAngle(G4double x) 242 { 238 { 243 G4double theta = AverageScatteringAngle(kinE << 239 G4double t = x/radLength; 244 return stepLength*std::sqrt(1.0 + 0.625*thet << 240 return 19.23*MeV*std::sqrt(charge2*t)*(1.0 + 0.038*std::log(t))/(beta2*gam*mass); 245 } << 241 } >> 242 >> 243 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... >> 244 >> 245 inline G4double G4EnergyLossForExtrapolator::EnergyDispersion(G4double kinEnergy, >> 246 G4double stepLength, >> 247 const G4Material* mat, >> 248 const G4ParticleDefinition* part) >> 249 { >> 250 if(!isInitialised) Initialisation(); >> 251 G4double sig2 = 0.0; >> 252 if(mat && part ) { >> 253 G4double step = ComputeTrueStep(mat,part,kinEnergy,stepLength); >> 254 sig2 = (1.0/beta2 - 0.5)* twopi_mc2_rcl2 * tmax*step * electronDensity * charge2; >> 255 } >> 256 return sig2; >> 257 } 246 258 247 //....oooOO0OOooo........oooOO0OOooo........oo 259 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 248 260 249 inline G4double << 261 inline G4double G4EnergyLossForExtrapolator::ComputeValue(G4double x, 250 G4EnergyLossForExtrapolator::ComputeValue(G4do << 262 const G4PhysicsTable* table) 251 const G4PhysicsTable* table, << 252 size_t idxMat) << 253 { 263 { 254 return (nullptr != table) ? ((*table)[idxMat << 264 G4double res = 0.0; >> 265 bool b; >> 266 res = ((*table)[index])->GetValue(x, b); >> 267 return res; 255 } 268 } 256 269 257 //....oooOO0OOooo........oooOO0OOooo........oo 270 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 258 271 259 inline void G4EnergyLossForExtrapolator::SetVe 272 inline void G4EnergyLossForExtrapolator::SetVerbose(G4int val) 260 { 273 { 261 verbose = val; 274 verbose = val; 262 } 275 } 263 276 264 //....oooOO0OOooo........oooOO0OOooo........oo 277 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 265 278 266 inline void G4EnergyLossForExtrapolator::SetMi 279 inline void G4EnergyLossForExtrapolator::SetMinKinEnergy(G4double val) 267 { 280 { 268 emin = val; 281 emin = val; 269 } 282 } 270 283 271 //....oooOO0OOooo........oooOO0OOooo........oo 284 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 272 285 273 inline void G4EnergyLossForExtrapolator::SetMa 286 inline void G4EnergyLossForExtrapolator::SetMaxKinEnergy(G4double val) 274 { 287 { 275 emax = val; 288 emax = val; 276 } << 277 << 278 //....oooOO0OOooo........oooOO0OOooo........oo << 279 << 280 inline void G4EnergyLossForExtrapolator::SetMa << 281 { << 282 maxEnergyTransfer = val; << 283 } 289 } 284 290 285 //....oooOO0OOooo........oooOO0OOooo........oo 291 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 286 292 287 #endif 293 #endif 288 294 289 295