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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 // $Id: G4VEmModel.cc,v 1.6 2006/06/29 19:55:17 gunter Exp $ >> 27 // GEANT4 tag $Name: geant4-08-03-patch-01 $ >> 28 // 26 // ------------------------------------------- 29 // ------------------------------------------------------------------- 27 // 30 // 28 // GEANT4 Class file 31 // GEANT4 Class file 29 // 32 // 30 // 33 // 31 // File name: G4VEmModel 34 // File name: G4VEmModel 32 // 35 // 33 // Author: Vladimir Ivanchenko 36 // Author: Vladimir Ivanchenko 34 // 37 // 35 // Creation date: 25.07.2005 38 // Creation date: 25.07.2005 36 // 39 // 37 // Modifications: 40 // Modifications: 38 // 25.10.2005 Set default highLimit=100.TeV (V 41 // 25.10.2005 Set default highLimit=100.TeV (V.Ivanchenko) 39 // 06.02.2006 add method ComputeMeanFreePath() 42 // 06.02.2006 add method ComputeMeanFreePath() (mma) 40 // 16.02.2009 Move implementations of virtual << 41 // 43 // 42 // 44 // 43 // Class Description: 45 // Class Description: 44 // 46 // 45 // Abstract interface to energy loss models 47 // Abstract interface to energy loss models 46 48 47 // ------------------------------------------- 49 // ------------------------------------------------------------------- 48 // 50 // 49 51 50 #include "G4VEmModel.hh" 52 #include "G4VEmModel.hh" 51 #include "G4ElementData.hh" << 52 #include "G4LossTableManager.hh" << 53 #include "G4LossTableBuilder.hh" << 54 #include "G4ProductionCutsTable.hh" << 55 #include "G4ParticleChangeForLoss.hh" << 56 #include "G4ParticleChangeForGamma.hh" << 57 #include "G4EmParameters.hh" << 58 #include "G4SystemOfUnits.hh" << 59 #include "G4EmUtility.hh" << 60 #include "G4Log.hh" << 61 #include "Randomize.hh" << 62 #include <iostream> << 63 53 64 //....oooOO0OOooo........oooOO0OOooo........oo 54 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 65 //....oooOO0OOooo........oooOO0OOooo........oo 55 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 66 56 67 G4VEmModel::G4VEmModel(const G4String& nam): 57 G4VEmModel::G4VEmModel(const G4String& nam): 68 inveplus(1.0/CLHEP::eplus), << 58 lowLimit(0.1*keV), highLimit(100.0*TeV), fluc(0), name(nam), pParticleChange(0) 69 lowLimit(0.1*CLHEP::keV), << 70 highLimit(100.0*CLHEP::TeV), << 71 polarAngleLimit(CLHEP::pi), << 72 name(nam) << 73 { << 74 xsec.resize(nsec); << 75 fEmManager = G4LossTableManager::Instance(); << 76 fEmManager->Register(this); << 77 isMaster = fEmManager->IsMaster(); << 78 << 79 G4LossTableBuilder* bld = fEmManager->GetTab << 80 theDensityFactor = bld->GetDensityFactors(); << 81 theDensityIdx = bld->GetCoupleIndexes(); << 82 } << 83 << 84 //....oooOO0OOooo........oooOO0OOooo........oo << 85 << 86 G4VEmModel::~G4VEmModel() << 87 { << 88 if(localElmSelectors) { << 89 for(G4int i=0; i<nSelectors; ++i) { << 90 delete (*elmSelectors)[i]; << 91 } << 92 delete elmSelectors; << 93 } << 94 delete anglModel; << 95 << 96 if(localTable && xSectionTable != nullptr) { << 97 xSectionTable->clearAndDestroy(); << 98 delete xSectionTable; << 99 xSectionTable = nullptr; << 100 } << 101 fEmManager->DeRegister(this); << 102 } << 103 << 104 //....oooOO0OOooo........oooOO0OOooo........oo << 105 << 106 G4ParticleChangeForLoss* G4VEmModel::GetPartic << 107 { << 108 G4ParticleChangeForLoss* p = nullptr; << 109 if (pParticleChange != nullptr) { << 110 p = static_cast<G4ParticleChangeForLoss*>( << 111 } else { << 112 p = new G4ParticleChangeForLoss(); << 113 pParticleChange = p; << 114 } << 115 if(fTripletModel != nullptr) { fTripletModel << 116 return p; << 117 } << 118 << 119 //....oooOO0OOooo........oooOO0OOooo........oo << 120 << 121 G4ParticleChangeForGamma* G4VEmModel::GetParti << 122 { << 123 G4ParticleChangeForGamma* p = nullptr; << 124 if (pParticleChange != nullptr) { << 125 p = static_cast<G4ParticleChangeForGamma*> << 126 } else { << 127 p = new G4ParticleChangeForGamma(); << 128 pParticleChange = p; << 129 } << 130 if(fTripletModel != nullptr) { fTripletModel << 131 return p; << 132 } << 133 << 134 //....oooOO0OOooo........oooOO0OOooo........oo << 135 << 136 void G4VEmModel::InitialiseElementSelectors(co << 137 co << 138 { << 139 if(highLimit <= lowLimit) { return; } << 140 G4EmUtility::InitialiseElementSelectors(this << 141 localElmSelectors = true; << 142 } << 143 << 144 //....oooOO0OOooo........oooOO0OOooo........oo << 145 << 146 void G4VEmModel::InitialiseLocal(const G4Parti << 147 {} 59 {} 148 60 149 //....oooOO0OOooo........oooOO0OOooo........oo 61 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 150 62 151 void G4VEmModel::InitialiseForMaterial(const G << 63 G4VEmModel::~G4VEmModel() 152 const G << 153 { << 154 if(material != nullptr) { << 155 G4int n = (G4int)material->GetNumberOfElem << 156 for(G4int i=0; i<n; ++i) { << 157 G4int Z = material->GetElement(i)->GetZa << 158 InitialiseForElement(part, Z); << 159 } << 160 } << 161 } << 162 << 163 //....oooOO0OOooo........oooOO0OOooo........oo << 164 << 165 void G4VEmModel::InitialiseForElement(const G4 << 166 {} 64 {} 167 65 168 //....oooOO0OOooo........oooOO0OOooo........oo 66 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 169 67 170 G4double G4VEmModel::ComputeDEDXPerVolume(cons << 68 G4double G4VEmModel::CrossSectionPerVolume(const G4Material* material, 171 cons << 69 const G4ParticleDefinition* p, 172 G4do << 70 G4double ekin, >> 71 G4double emin, >> 72 G4double emax) 173 { 73 { 174 return 0.0; << 175 } << 176 << 177 //....oooOO0OOooo........oooOO0OOooo........oo << 178 << 179 G4double G4VEmModel::CrossSectionPerVolume(con << 180 con << 181 G4d << 182 G4d << 183 G4d << 184 { << 185 SetupForMaterial(p, mat, ekin); << 186 const G4double* theAtomNumDensityVector = ma << 187 G4int nelm = (G4int)mat->GetNumberOfElements << 188 if(nelm > nsec) { << 189 xsec.resize(nelm); << 190 nsec = nelm; << 191 } << 192 G4double cross = 0.0; 74 G4double cross = 0.0; 193 for (G4int i=0; i<nelm; ++i) { << 75 const G4ElementVector* theElementVector = material->GetElementVector(); >> 76 const G4double* theAtomNumDensityVector = material->GetVecNbOfAtomsPerVolume(); >> 77 size_t nelm = material->GetNumberOfElements(); >> 78 for (size_t i=0; i<nelm; i++) { >> 79 const G4Element* elm = (*theElementVector)[i]; 194 cross += theAtomNumDensityVector[i]* 80 cross += theAtomNumDensityVector[i]* 195 ComputeCrossSectionPerAtom(p,mat->GetEle << 81 ComputeCrossSectionPerAtom(p,ekin,elm->GetZ(),elm->GetN(),emin,emax); 196 xsec[i] = cross; 82 xsec[i] = cross; 197 } 83 } 198 return cross; 84 return cross; 199 } 85 } 200 86 201 //....oooOO0OOooo........oooOO0OOooo........oo 87 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 202 88 203 G4double G4VEmModel::GetPartialCrossSection(co << 89 G4double G4VEmModel::ComputeMeanFreePath(const G4ParticleDefinition* p, 204 co << 90 G4double ekin, 205 G4 << 91 const G4Material* material, 206 { << 92 G4double emin, 207 return 0.0; << 93 G4double emax) >> 94 { >> 95 G4double mfp = DBL_MAX; >> 96 G4double cross = CrossSectionPerVolume(material,p,ekin,emin,emax); >> 97 if (cross >0.) mfp = 1./cross; >> 98 return mfp; 208 } 99 } 209 100 210 //....oooOO0OOooo........oooOO0OOooo........oo 101 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 211 102 212 void G4VEmModel::StartTracking(G4Track*) << 213 {} << 214 << 215 //....oooOO0OOooo........oooOO0OOooo........oo << 216 << 217 const G4Element* G4VEmModel::SelectRandomAtom( << 218 << 219 << 220 << 221 << 222 { << 223 G4int n = (G4int)mat->GetNumberOfElements(); << 224 fCurrentElement = mat->GetElement(0); << 225 if (n > 1) { << 226 const G4double x = G4UniformRand()* << 227 G4VEmModel::CrossSectionPerVolume(mat,pd << 228 for(G4int i=0; i<n; ++i) { << 229 if (x <= xsec[i]) { << 230 fCurrentElement = mat->GetElement(i); << 231 break; << 232 } << 233 } << 234 } << 235 return fCurrentElement; << 236 } << 237 << 238 //....oooOO0OOooo........oooOO0OOooo........oo << 239 << 240 const G4Element* G4VEmModel::GetCurrentElement << 241 { << 242 const G4Element* elm = fCurrentElement; << 243 if(nullptr == elm && nullptr != mat) { << 244 elm = G4EmUtility::SampleRandomElement(mat << 245 } << 246 return elm; << 247 } << 248 << 249 //....oooOO0OOooo........oooOO0OOooo........oo << 250 << 251 G4int G4VEmModel::SelectRandomAtomNumber(const << 252 { << 253 const G4Element* elm = GetCurrentElement(mat << 254 return (nullptr == elm) ? 0 : elm->GetZasInt << 255 } << 256 103 257 //....oooOO0OOooo........oooOO0OOooo........oo << 258 << 259 const G4Isotope* G4VEmModel::GetCurrentIsotope << 260 { << 261 const G4Isotope* iso = nullptr; << 262 const G4Element* el = elm; << 263 if(nullptr == el && nullptr != fCurrentCoupl << 264 el = GetCurrentElement(fCurrentCouple->Get << 265 } << 266 if(nullptr != el) { << 267 iso = G4EmUtility::SampleRandomIsotope(el) << 268 } << 269 return iso; << 270 } << 271 << 272 //....oooOO0OOooo........oooOO0OOooo........oo << 273 << 274 G4int G4VEmModel::SelectIsotopeNumber(const G4 << 275 { << 276 auto iso = GetCurrentIsotope(elm); << 277 return (nullptr != iso) ? iso->GetN() : 0; << 278 } << 279 << 280 //....oooOO0OOooo........oooOO0OOooo........oo << 281 << 282 G4double G4VEmModel::ComputeCrossSectionPerAto << 283 << 284 << 285 { << 286 return 0.0; << 287 } << 288 << 289 //....oooOO0OOooo........oooOO0OOooo........oo << 290 << 291 G4double << 292 G4VEmModel::ComputeCrossSectionPerShell(const << 293 G4int, << 294 G4doub << 295 { << 296 return 0.0; << 297 } << 298 << 299 //....oooOO0OOooo........oooOO0OOooo........oo << 300 << 301 void G4VEmModel::DefineForRegion(const G4Regio << 302 {} << 303 << 304 //....oooOO0OOooo........oooOO0OOooo........oo << 305 << 306 void G4VEmModel::FillNumberOfSecondaries(G4int << 307 G4int << 308 { << 309 numberOfTriplets = 0; << 310 numberOfRecoil = 0; << 311 } << 312 << 313 //....oooOO0OOooo........oooOO0OOooo........oo << 314 << 315 G4double G4VEmModel::ChargeSquareRatio(const G << 316 { << 317 return GetChargeSquareRatio(track.GetParticl << 318 track.GetMateria << 319 } << 320 << 321 //....oooOO0OOooo........oooOO0OOooo........oo << 322 << 323 G4double G4VEmModel::GetChargeSquareRatio(cons << 324 cons << 325 { << 326 const G4double q = p->GetPDGCharge()*inveplu << 327 return q*q; << 328 } << 329 << 330 //....oooOO0OOooo........oooOO0OOooo........oo << 331 << 332 G4double G4VEmModel::GetParticleCharge(const G << 333 const G << 334 { << 335 return p->GetPDGCharge(); << 336 } << 337 << 338 //....oooOO0OOooo........oooOO0OOooo........oo << 339 << 340 void G4VEmModel::CorrectionsAlongStep(const G4 << 341 const G4 << 342 const G4 << 343 {} << 344 << 345 //....oooOO0OOooo........oooOO0OOooo........oo << 346 << 347 G4double G4VEmModel::Value(const G4MaterialCut << 348 const G4ParticleDef << 349 { << 350 SetCurrentCouple(couple); << 351 return pFactor*e*e*CrossSectionPerVolume(pBa << 352 } << 353 << 354 //....oooOO0OOooo........oooOO0OOooo........oo << 355 << 356 G4double G4VEmModel::MinPrimaryEnergy(const G4 << 357 const G4 << 358 G4double << 359 { << 360 return 0.0; << 361 } << 362 << 363 //....oooOO0OOooo........oooOO0OOooo........oo << 364 << 365 G4double G4VEmModel::MinEnergyCut(const G4Part << 366 const G4Mate << 367 { << 368 return 0.0; << 369 } << 370 << 371 //....oooOO0OOooo........oooOO0OOooo........oo << 372 << 373 G4double G4VEmModel::MaxSecondaryEnergy(const << 374 G4doub << 375 { << 376 return kineticEnergy; << 377 } << 378 << 379 //....oooOO0OOooo........oooOO0OOooo........oo << 380 << 381 void G4VEmModel::SetupForMaterial(const G4Part << 382 const G4Mate << 383 { << 384 GetChargeSquareRatio(p, mat, ekin); << 385 } << 386 << 387 //....oooOO0OOooo........oooOO0OOooo........oo << 388 << 389 void << 390 G4VEmModel::SetParticleChange(G4VParticleChang << 391 { << 392 if(p != nullptr && pParticleChange != p) { p << 393 if(flucModel != f) { flucModel = f; } << 394 } << 395 << 396 //....oooOO0OOooo........oooOO0OOooo........oo << 397 << 398 void G4VEmModel::SetCrossSectionTable(G4Physic << 399 { << 400 xSectionTable = p; << 401 localTable = isLocal; << 402 } << 403 << 404 //....oooOO0OOooo........oooOO0OOooo........oo << 405 << 406 void G4VEmModel::SetLPMFlag(G4bool) << 407 { << 408 if (G4EmParameters::Instance()->Verbose() > << 409 G4ExceptionDescription ed; << 410 ed << "The obsolete method SetLPMFlag(..) << 411 << " is called. Please, use G4EmParamet << 412 << " instead"; << 413 G4Exception("G4VEmModel::SetLPMFlag", "em0 << 414 } << 415 } << 416 << 417 //....oooOO0OOooo........oooOO0OOooo........oo << 418 << 419 void G4VEmModel::SetMasterThread(G4bool) << 420 {} << 421 << 422 //....oooOO0OOooo........oooOO0OOooo........oo << 423 << 424 void G4VEmModel::ModelDescription(std::ostrea << 425 { << 426 outFile << "The description for this model h << 427 } << 428 << 429 //....oooOO0OOooo........oooOO0OOooo........oo << 430 104