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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 file 29 // GEANT4 Class file 30 // 30 // 31 // 31 // 32 // File name: G4VMscModel 32 // File name: G4VMscModel 33 // 33 // 34 // Author: Vladimir Ivanchenko 34 // Author: Vladimir Ivanchenko 35 // 35 // 36 // Creation date: 07.03.2008 36 // Creation date: 07.03.2008 37 // 37 // 38 // Modifications: 38 // Modifications: 39 // 39 // 40 // 40 // 41 // Class Description: 41 // Class Description: 42 // 42 // 43 // General interface to msc models 43 // General interface to msc models 44 44 45 // ------------------------------------------- 45 // ------------------------------------------------------------------- 46 // 46 // 47 47 48 #include "G4VMscModel.hh" 48 #include "G4VMscModel.hh" 49 #include "G4SystemOfUnits.hh" 49 #include "G4SystemOfUnits.hh" 50 #include "G4ParticleChangeForMSC.hh" 50 #include "G4ParticleChangeForMSC.hh" 51 #include "G4TransportationManager.hh" 51 #include "G4TransportationManager.hh" 52 #include "G4LossTableManager.hh" 52 #include "G4LossTableManager.hh" 53 #include "G4LossTableBuilder.hh" 53 #include "G4LossTableBuilder.hh" 54 #include "G4EmParameters.hh" 54 #include "G4EmParameters.hh" 55 55 56 //....oooOO0OOooo........oooOO0OOooo........oo 56 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 57 //....oooOO0OOooo........oooOO0OOooo........oo 57 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 58 58 59 G4VMscModel::G4VMscModel(const G4String& nam): 59 G4VMscModel::G4VMscModel(const G4String& nam): 60 G4VEmModel(nam), 60 G4VEmModel(nam), 61 lambdalimit(1.*CLHEP::mm), << 61 safetyHelper(nullptr), >> 62 ionisation(nullptr), >> 63 facrange(0.04), >> 64 facgeom(2.5), >> 65 facsafety(0.3), >> 66 skin(1.0), >> 67 dtrl(0.05), >> 68 lambdalimit(mm), 62 geomMin(1.e-6*CLHEP::mm), 69 geomMin(1.e-6*CLHEP::mm), 63 geomMax(1.e50*CLHEP::mm), 70 geomMax(1.e50*CLHEP::mm), 64 fDisplacement(0.,0.,0.), 71 fDisplacement(0.,0.,0.), 65 steppingAlgorithm(fUseSafety) << 72 steppingAlgorithm(fUseSafety), >> 73 samplez(false), >> 74 latDisplasment(true) 66 { 75 { 67 dedx = 2.0*CLHEP::MeV*CLHEP::cm2/CLHEP::g; << 76 dedx = 2.0*CLHEP::MeV*CLHEP::cm2/CLHEP::g; >> 77 localrange = DBL_MAX; >> 78 localtkin = 0.0; >> 79 currentPart = nullptr; 68 } 80 } 69 81 70 //....oooOO0OOooo........oooOO0OOooo........oo 82 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 71 83 72 G4VMscModel::~G4VMscModel() = default; << 84 G4VMscModel::~G4VMscModel() >> 85 {} 73 86 74 //....oooOO0OOooo........oooOO0OOooo........oo 87 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 75 88 76 G4ParticleChangeForMSC* 89 G4ParticleChangeForMSC* 77 G4VMscModel::GetParticleChangeForMSC(const G4P << 90 G4VMscModel::GetParticleChangeForMSC(const G4ParticleDefinition* p) 78 { 91 { 79 // recomputed for each new run 92 // recomputed for each new run 80 if(nullptr == safetyHelper) { << 93 if(!safetyHelper) { 81 safetyHelper = G4TransportationManager::Ge 94 safetyHelper = G4TransportationManager::GetTransportationManager() 82 ->GetSafetyHelper(); 95 ->GetSafetyHelper(); 83 safetyHelper->InitialiseHelper(); 96 safetyHelper->InitialiseHelper(); 84 } 97 } 85 G4ParticleChangeForMSC* change = nullptr; 98 G4ParticleChangeForMSC* change = nullptr; 86 if (nullptr != pParticleChange) { << 99 if (pParticleChange) { 87 change = static_cast<G4ParticleChangeForMS 100 change = static_cast<G4ParticleChangeForMSC*>(pParticleChange); 88 } else { 101 } else { 89 change = new G4ParticleChangeForMSC(); 102 change = new G4ParticleChangeForMSC(); 90 } 103 } 91 return change; << 104 if(p) { 92 } << 93 << 94 //....oooOO0OOooo........oooOO0OOooo........oo << 95 105 96 void G4VMscModel::InitialiseParameters(const G << 106 // table is never built for GenericIon 97 { << 107 if(p->GetParticleName() == "GenericIon") { 98 if(IsLocked()) { return; } << 108 if(xSectionTable) { 99 G4EmParameters* param = G4EmParameters::Inst << 109 xSectionTable->clearAndDestroy(); 100 if(std::abs(part->GetPDGEncoding()) == 11) { << 110 delete xSectionTable; 101 steppingAlgorithm = param->MscStepLimitTyp << 111 xSectionTable = nullptr; 102 facrange = param->MscRangeFactor(); << 112 } 103 latDisplasment = param->LateralDisplacemen << 113 104 } else { << 114 // table is always built for low mass particles 105 steppingAlgorithm = param->MscMuHadStepLim << 115 } else if(p->GetPDGMass() < 4.5*GeV || ForceBuildTableFlag()) { 106 facrange = param->MscMuHadRangeFactor(); << 116 107 latDisplasment = param->MuHadLateralDispla << 117 G4EmParameters* param = G4EmParameters::Instance(); >> 118 idxTable = 0; >> 119 G4LossTableBuilder* builder = >> 120 G4LossTableManager::Instance()->GetTableBuilder(); >> 121 if(IsMaster()) { >> 122 G4double emin = std::max(LowEnergyLimit(), LowEnergyActivationLimit()); >> 123 G4double emax = std::min(HighEnergyLimit(), HighEnergyActivationLimit()); >> 124 emin = std::max(emin, param->MinKinEnergy()); >> 125 emax = std::min(emax, param->MaxKinEnergy()); >> 126 if(emin < emax) { >> 127 xSectionTable = builder->BuildTableForModel(xSectionTable, this, p, >> 128 emin, emax, true); >> 129 } >> 130 } >> 131 theDensityFactor = builder->GetDensityFactors(); >> 132 theDensityIdx = builder->GetCoupleIndexes(); >> 133 } 108 } 134 } 109 skin = param->MscSkin(); << 135 return change; 110 facgeom = param->MscGeomFactor(); << 111 facsafety = param->MscSafetyFactor(); << 112 lambdalimit = param->MscLambdaLimit(); << 113 } << 114 << 115 //....oooOO0OOooo........oooOO0OOooo........oo << 116 << 117 void G4VMscModel::DumpParameters(std::ostream& << 118 { << 119 G4String alg = "UseSafety"; << 120 if (steppingAlgorithm == fUseDistanceToBound << 121 else if (steppingAlgorithm == fMinimal) alg << 122 else if (steppingAlgorithm == fUseSafetyPlus << 123 << 124 out << std::setw(18) << "StepLim=" << alg << << 125 << " Gfact=" << facgeom << " Sfact=" << << 126 << " Skin=" << skin << " Llim=" << lambd << 127 } 136 } 128 137 129 //....oooOO0OOooo........oooOO0OOooo........oo 138 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 130 139 131 void G4VMscModel::SampleSecondaries(std::vecto << 140 G4ThreeVector& 132 const G4Ma << 141 G4VMscModel::SampleScattering(const G4ThreeVector&, G4double) 133 const G4Dy << 134 G4double, << 135 {} << 136 << 137 //....oooOO0OOooo........oooOO0OOooo........oo << 138 << 139 G4double G4VMscModel::GetDEDX(const G4Particle << 140 const G4Material << 141 { 142 { 142 G4double x; << 143 return fDisplacement; 143 if (nullptr != ionisation) { << 144 x = ionisation->GetDEDX(kinEnergy, couple) << 145 } else { << 146 const G4double q = part->GetPDGCharge()*in << 147 x = dedx*q*q; << 148 } << 149 return x; << 150 } 144 } 151 145 152 //....oooOO0OOooo........oooOO0OOooo........oo 146 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 153 147 154 G4double G4VMscModel::GetDEDX(const G4Particle << 148 G4double G4VMscModel::ComputeTruePathLengthLimit(const G4Track&, G4double&) 155 const G4Material << 156 { 149 { 157 G4double x; << 150 return DBL_MAX; 158 if (nullptr != ionisation) { << 159 x = ionisation->GetDEDX(kinEnergy, couple, << 160 } else { << 161 const G4double q = part->GetPDGCharge()*in << 162 x = dedx*q*q; << 163 } << 164 return x; << 165 } 151 } 166 152 167 //....oooOO0OOooo........oooOO0OOooo........oo 153 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 168 154 169 G4double G4VMscModel::GetRange(const G4Particl << 155 G4double G4VMscModel::ComputeGeomPathLength(G4double truePathLength) 170 const G4Materia << 171 { 156 { 172 // << ionisation << " " << part->GetPartic << 157 return truePathLength; 173 localtkin = kinEnergy; << 174 if (nullptr != ionisation) { << 175 localrange = ionisation->GetRange(kinEnerg << 176 } else { << 177 const G4double q = part->GetPDGCharge()*in << 178 localrange = kinEnergy/(dedx*q*q*couple->G << 179 } << 180 //G4cout << "R(mm)= " << localrange << " " << 181 return localrange; << 182 } 158 } 183 159 184 //....oooOO0OOooo........oooOO0OOooo........oo 160 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 185 161 186 G4double G4VMscModel::GetRange(const G4Particl << 162 G4double G4VMscModel::ComputeTrueStepLength(G4double geomPathLength) 187 const G4Materia << 188 { 163 { 189 //G4cout << "G4VMscModel::GetRange E(MeV)= " << 164 return geomPathLength; 190 // << ionisation << " " << part->GetPartic << 191 localtkin = kinEnergy; << 192 if (nullptr != ionisation) { << 193 localrange = ionisation->GetRange(kinEnerg << 194 } else { << 195 const G4double q = part->GetPDGCharge()*in << 196 localrange = kinEnergy/(dedx*q*q*couple->G << 197 } << 198 //G4cout << "R(mm)= " << localrange << " " << 199 return localrange; << 200 } 165 } 201 166 202 //....oooOO0OOooo........oooOO0OOooo........oo 167 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 203 168 204 G4double G4VMscModel::GetEnergy(const G4Partic << 169 void G4VMscModel::SampleSecondaries(std::vector<G4DynamicParticle*>*, 205 G4double range << 170 const G4MaterialCutsCouple*, 206 { << 171 const G4DynamicParticle*, 207 G4double e; << 172 G4double, G4double) 208 //G4cout << "G4VMscModel::GetEnergy R(mm)= " << 173 {} 209 // << " Rlocal(mm)= " << localrange << << 210 if(nullptr != ionisation) { e = ionisation-> << 211 else { << 212 e = localtkin; << 213 if(localrange > range) { << 214 G4double q = part->GetPDGCharge()*invepl << 215 e -= (localrange - range)*dedx*q*q*coupl << 216 } << 217 } << 218 return e; << 219 } << 220 174 221 //....oooOO0OOooo........oooOO0OOooo........oo 175 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... 222 176