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59 class G4ParticleDefinition; 62 class G4Material; 60 class G4Material; 63 class G4MaterialCutsCouple; 61 class G4MaterialCutsCouple; >> 62 class G4ProductionCuts; 64 63 65 //....oooOO0OOooo........oooOO0OOooo........oo 64 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 66 65 67 class G4EnergyLossForExtrapolator 66 class G4EnergyLossForExtrapolator 68 { 67 { 69 public: 68 public: 70 << 69 G4EnergyLossForExtrapolator(G4int verb = 1); 71 explicit G4EnergyLossForExtrapolator(G4int v << 72 70 73 ~G4EnergyLossForExtrapolator(); 71 ~G4EnergyLossForExtrapolator(); 74 72 75 void Initialisation(); << 73 G4double ComputeDEDX(G4double kinEnergy, const G4ParticleDefinition*); 76 << 77 G4double ComputeDEDX(G4double kinEnergy, con << 78 const G4Material*); << 79 74 80 G4double ComputeRange(G4double kinEnergy, co << 75 G4double ComputeRange(G4double kinEnergy, const G4ParticleDefinition*); 81 const G4Material*); << 82 76 83 G4double ComputeEnergy(G4double range, const << 77 G4double ComputeEnergy(G4double range, const G4ParticleDefinition*); 84 const G4Material*); << 85 78 86 G4double EnergyAfterStep(G4double kinEnergy, 79 G4double EnergyAfterStep(G4double kinEnergy, G4double step, 87 const G4Material*, const G4ParticleDe 80 const G4Material*, const G4ParticleDefinition*); 88 81 89 G4double EnergyBeforeStep(G4double kinEnergy 82 G4double EnergyBeforeStep(G4double kinEnergy, G4double step, 90 const G4Material*, const G4Par 83 const G4Material*, const G4ParticleDefinition*); 91 84 92 G4double TrueStepLength(G4double kinEnergy, 85 G4double TrueStepLength(G4double kinEnergy, G4double step, 93 const G4Material*, const G4ParticleDef 86 const G4Material*, const G4ParticleDefinition* part); 94 87 95 inline G4double EnergyAfterStep(G4double kin 88 inline G4double EnergyAfterStep(G4double kinEnergy, G4double step, 96 const G4Material*, << 89 const G4Material*, const G4String& particleName); 97 const G4Stri << 98 90 99 inline G4double EnergyBeforeStep(G4double ki 91 inline G4double EnergyBeforeStep(G4double kinEnergy, G4double step, 100 const G4Material*, << 92 const G4Material*, const G4String& particleName); 101 const G4Str << 102 93 103 G4double AverageScatteringAngle(G4double kin << 94 inline G4double AverageScatteringAngle(G4double kinEnergy, G4double step, 104 const G4Material*, << 95 const G4Material*, 105 const G4ParticleDefinition* part); << 96 const G4ParticleDefinition* part); 106 97 107 inline G4double AverageScatteringAngle(G4dou 98 inline G4double AverageScatteringAngle(G4double kinEnergy, G4double step, 108 const G4Material*, 99 const G4Material*, 109 const G4String& particleName); 100 const G4String& particleName); 110 101 111 inline G4double ComputeTrueStep(const G4Mate << 102 inline G4double ComputeTrueStep(const G4Material*, const G4ParticleDefinition* part, 112 const G4ParticleDefinition* part, << 113 G4double kinEnergy, G4double stepLen 103 G4double kinEnergy, G4double stepLength); 114 104 115 G4double EnergyDispersion(G4double kinEnergy << 105 inline G4double EnergyDispersion(G4double kinEnergy, G4double step, 116 const G4Material*, << 106 const G4Material*, const G4ParticleDefinition*); 117 const G4ParticleDefinition*); << 118 107 119 inline G4double EnergyDispersion(G4double ki 108 inline G4double EnergyDispersion(G4double kinEnergy, G4double step, 120 const G4Material*, << 109 const G4Material*, const G4String& particleName); 121 const G4Str << 122 110 123 inline void SetVerbose(G4int val); 111 inline void SetVerbose(G4int val); 124 112 125 inline void SetMinKinEnergy(G4double); 113 inline void SetMinKinEnergy(G4double); 126 114 127 inline void SetMaxKinEnergy(G4double); 115 inline void SetMaxKinEnergy(G4double); 128 116 129 inline void SetMaxEnergyTransfer(G4double); 117 inline void SetMaxEnergyTransfer(G4double); 130 << 131 // hide assignment operator << 132 G4EnergyLossForExtrapolator & operator= << 133 (const G4EnergyLossForExtrapolator &right) = << 134 G4EnergyLossForExtrapolator(const G4EnergyLo << 135 118 136 private: 119 private: 137 120 >> 121 void Initialisation(); >> 122 138 G4bool SetupKinematics(const G4ParticleDefin 123 G4bool SetupKinematics(const G4ParticleDefinition*, const G4Material*, 139 G4double kinEnergy); 124 G4double kinEnergy); 140 125 >> 126 G4PhysicsTable* PrepareTable(); >> 127 141 const G4ParticleDefinition* FindParticle(con 128 const G4ParticleDefinition* FindParticle(const G4String& name); 142 129 143 inline G4double ComputeValue(G4double x, con << 130 void ComputeElectronDEDX(const G4ParticleDefinition* part, G4PhysicsTable* table); 144 size_t idxMat); << 145 131 146 inline const G4PhysicsTable* GetPhysicsTable << 132 void ComputeMuonDEDX(const G4ParticleDefinition* part, G4PhysicsTable* table); 147 133 148 #ifdef G4MULTITHREADED << 134 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; << 179 135 180 G4bool isMaster = false; << 136 void ComputeTrasportXS(const G4ParticleDefinition* part, G4PhysicsTable* table); 181 }; << 182 137 183 //....oooOO0OOooo........oooOO0OOooo........oo << 138 inline G4double ComputeValue(G4double x, const G4PhysicsTable* table); 184 139 185 inline const G4PhysicsTable* << 140 // hide assignment operator 186 G4EnergyLossForExtrapolator::GetPhysicsTable(E << 141 G4EnergyLossForExtrapolator & operator=(const G4EnergyLossForExtrapolator &right); 187 { << 142 G4EnergyLossForExtrapolator(const G4EnergyLossForExtrapolator&); 188 return tables->GetPhysicsTable(type); << 143 189 } << 144 const G4ParticleDefinition* currentParticle; >> 145 const G4ParticleDefinition* electron; >> 146 const G4ParticleDefinition* positron; >> 147 const G4ParticleDefinition* muonPlus; >> 148 const G4ParticleDefinition* muonMinus; >> 149 const G4ParticleDefinition* proton; >> 150 >> 151 G4ProductionCuts* cuts; >> 152 std::vector<const G4MaterialCutsCouple*> couples; >> 153 >> 154 G4String currentParticleName; >> 155 >> 156 G4PhysicsTable* dedxElectron; >> 157 G4PhysicsTable* dedxPositron; >> 158 G4PhysicsTable* dedxMuon; >> 159 G4PhysicsTable* dedxProton; >> 160 G4PhysicsTable* rangeElectron; >> 161 G4PhysicsTable* rangePositron; >> 162 G4PhysicsTable* rangeMuon; >> 163 G4PhysicsTable* rangeProton; >> 164 G4PhysicsTable* invRangeElectron; >> 165 G4PhysicsTable* invRangePositron; >> 166 G4PhysicsTable* invRangeMuon; >> 167 G4PhysicsTable* invRangeProton; >> 168 G4PhysicsTable* mscElectron; >> 169 >> 170 const G4Material* currentMaterial; >> 171 G4int index; >> 172 G4double electronDensity; >> 173 G4double radLength; >> 174 G4double mass; >> 175 G4double charge2; >> 176 G4double kineticEnergy; >> 177 G4double gam; >> 178 G4double bg2; >> 179 G4double beta2; >> 180 G4double tmax; >> 181 >> 182 G4double linLossLimit; >> 183 G4double emin; >> 184 G4double emax; >> 185 G4double maxEnergyTransfer; >> 186 >> 187 G4int nbins; >> 188 G4int nmat; >> 189 G4int verbose; >> 190 G4bool isInitialised; >> 191 }; 190 192 191 //....oooOO0OOooo........oooOO0OOooo........oo 193 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 192 194 193 inline G4double << 195 inline G4double G4EnergyLossForExtrapolator::EnergyAfterStep(G4double kinEnergy, 194 G4EnergyLossForExtrapolator::EnergyAfterStep(G << 196 G4double step, 195 G4double step, << 197 const G4Material* mat, 196 const G4Material* mat, << 198 const G4String& name) 197 const G4String& name) << 198 { 199 { 199 return EnergyAfterStep(kinEnergy,step,mat,Fi 200 return EnergyAfterStep(kinEnergy,step,mat,FindParticle(name)); 200 } 201 } 201 202 202 //....oooOO0OOooo........oooOO0OOooo........oo 203 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 203 204 204 inline G4double << 205 inline G4double G4EnergyLossForExtrapolator::EnergyBeforeStep(G4double kinEnergy, 205 G4EnergyLossForExtrapolator::EnergyBeforeStep( << 206 G4double step, 206 G4double step, << 207 const G4Material* mat, 207 const G4Material* mat, << 208 const G4String& name) 208 const G4String& name) << 209 { 209 { 210 return EnergyBeforeStep(kinEnergy,step,mat,F 210 return EnergyBeforeStep(kinEnergy,step,mat,FindParticle(name)); 211 } 211 } 212 212 213 //....oooOO0OOooo........oooOO0OOooo........oo 213 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 214 214 215 inline G4double << 215 inline G4double G4EnergyLossForExtrapolator::AverageScatteringAngle(G4double kinEnergy, 216 G4EnergyLossForExtrapolator::AverageScattering << 216 G4double step, 217 G4double step, << 217 const G4Material* mat, 218 const G4Material* mat, << 218 const G4String& name) 219 const G4String& name) << 220 { 219 { 221 return AverageScatteringAngle(kinEnergy,step 220 return AverageScatteringAngle(kinEnergy,step,mat,FindParticle(name)); 222 } 221 } 223 222 224 //....oooOO0OOooo........oooOO0OOooo........oo 223 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 225 224 226 inline G4double 225 inline G4double 227 G4EnergyLossForExtrapolator::EnergyDispersion( 226 G4EnergyLossForExtrapolator::EnergyDispersion(G4double kinEnergy, 228 G4double step, 227 G4double step, 229 const G4Material* mat, 228 const G4Material* mat, 230 const G4String& name) 229 const G4String& name) 231 { 230 { 232 return EnergyDispersion(kinEnergy,step,mat,F 231 return EnergyDispersion(kinEnergy,step,mat,FindParticle(name)); 233 } 232 } 234 233 235 //....oooOO0OOooo........oooOO0OOooo........oo 234 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 236 235 237 inline G4double 236 inline G4double >> 237 G4EnergyLossForExtrapolator::AverageScatteringAngle(G4double kinEnergy, >> 238 G4double stepLength, >> 239 const G4Material* mat, >> 240 const G4ParticleDefinition* part) >> 241 { >> 242 G4double theta = 0.0; >> 243 if(SetupKinematics(part, mat, kinEnergy)) { >> 244 G4double t = stepLength/radLength; >> 245 G4double y = std::max(0.001, t); >> 246 theta = 19.23*MeV*std::sqrt(charge2*t)*(1.0 + 0.038*std::log(y))/(beta2*gam*mass); >> 247 } >> 248 return theta; >> 249 } >> 250 >> 251 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... >> 252 >> 253 inline G4double 238 G4EnergyLossForExtrapolator::ComputeTrueStep(c 254 G4EnergyLossForExtrapolator::ComputeTrueStep(const G4Material* mat, 239 const G4ParticleDefinition* par 255 const G4ParticleDefinition* part, 240 G4double kinEnergy, 256 G4double kinEnergy, 241 G4double stepLength) 257 G4double stepLength) 242 { 258 { 243 G4double theta = AverageScatteringAngle(kinE 259 G4double theta = AverageScatteringAngle(kinEnergy,stepLength,mat,part); 244 return stepLength*std::sqrt(1.0 + 0.625*thet 260 return stepLength*std::sqrt(1.0 + 0.625*theta*theta); 245 } 261 } 246 262 247 //....oooOO0OOooo........oooOO0OOooo........oo 263 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... >> 264 >> 265 inline >> 266 G4double G4EnergyLossForExtrapolator::EnergyDispersion(G4double kinEnergy, >> 267 G4double stepLength, >> 268 const G4Material* mat, >> 269 const G4ParticleDefinition* part) >> 270 { >> 271 G4double sig2 = 0.0; >> 272 if(SetupKinematics(part, mat, kinEnergy)) { >> 273 G4double step = ComputeTrueStep(mat,part,kinEnergy,stepLength); >> 274 sig2 = (1.0/beta2 - 0.5)*twopi_mc2_rcl2*tmax*step*electronDensity*charge2; >> 275 } >> 276 return sig2; >> 277 } 248 278 249 inline G4double << 279 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 250 G4EnergyLossForExtrapolator::ComputeValue(G4do << 280 251 const G4PhysicsTable* table, << 281 inline G4double G4EnergyLossForExtrapolator::ComputeValue(G4double x, 252 size_t idxMat) << 282 const G4PhysicsTable* table) 253 { 283 { 254 return (nullptr != table) ? ((*table)[idxMat << 284 G4double res = 0.0; >> 285 G4bool b; >> 286 if(table) res = ((*table)[index])->GetValue(x, b); >> 287 return res; 255 } 288 } 256 289 257 //....oooOO0OOooo........oooOO0OOooo........oo 290 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 258 291 259 inline void G4EnergyLossForExtrapolator::SetVe 292 inline void G4EnergyLossForExtrapolator::SetVerbose(G4int val) 260 { 293 { 261 verbose = val; 294 verbose = val; 262 } 295 } 263 296 264 //....oooOO0OOooo........oooOO0OOooo........oo 297 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 265 298 266 inline void G4EnergyLossForExtrapolator::SetMi 299 inline void G4EnergyLossForExtrapolator::SetMinKinEnergy(G4double val) 267 { 300 { 268 emin = val; 301 emin = val; 269 } 302 } 270 303 271 //....oooOO0OOooo........oooOO0OOooo........oo 304 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 272 305 273 inline void G4EnergyLossForExtrapolator::SetMa 306 inline void G4EnergyLossForExtrapolator::SetMaxKinEnergy(G4double val) 274 { 307 { 275 emax = val; 308 emax = val; 276 } 309 } 277 310 278 //....oooOO0OOooo........oooOO0OOooo........oo 311 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 279 312 280 inline void G4EnergyLossForExtrapolator::SetMa 313 inline void G4EnergyLossForExtrapolator::SetMaxEnergyTransfer(G4double val) 281 { 314 { 282 maxEnergyTransfer = val; 315 maxEnergyTransfer = val; 283 } 316 } 284 317 285 //....oooOO0OOooo........oooOO0OOooo........oo 318 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo.... 286 319 287 #endif 320 #endif 288 321 289 322