Geant4 Cross Reference

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Geant4/processes/electromagnetic/utils/src/G4VMscModel.cc

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Diff markup

Differences between /processes/electromagnetic/utils/src/G4VMscModel.cc (Version 11.3.0) and /processes/electromagnetic/utils/src/G4VMscModel.cc (Version 11.1.2)


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 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   lambdalimit(1.*CLHEP::mm),
 62   geomMin(1.e-6*CLHEP::mm),                        62   geomMin(1.e-6*CLHEP::mm),
 63   geomMax(1.e50*CLHEP::mm),                        63   geomMax(1.e50*CLHEP::mm),
 64   fDisplacement(0.,0.,0.),                         64   fDisplacement(0.,0.,0.),
 65   steppingAlgorithm(fUseSafety)                    65   steppingAlgorithm(fUseSafety)
 66 {                                                  66 {
 67   dedx = 2.0*CLHEP::MeV*CLHEP::cm2/CLHEP::g;       67   dedx = 2.0*CLHEP::MeV*CLHEP::cm2/CLHEP::g;
 68 }                                                  68 }
 69                                                    69 
 70 //....oooOO0OOooo........oooOO0OOooo........oo     70 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 71                                                    71 
 72 G4VMscModel::~G4VMscModel() = default;             72 G4VMscModel::~G4VMscModel() = default;
 73                                                    73 
 74 //....oooOO0OOooo........oooOO0OOooo........oo     74 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 75                                                    75 
 76 G4ParticleChangeForMSC*                            76 G4ParticleChangeForMSC* 
 77 G4VMscModel::GetParticleChangeForMSC(const G4P <<  77 G4VMscModel::GetParticleChangeForMSC(const G4ParticleDefinition* p)
 78 {                                                  78 {
 79   // recomputed for each new run                   79   // recomputed for each new run
 80   if(nullptr == safetyHelper) {                    80   if(nullptr == safetyHelper) {
 81     safetyHelper = G4TransportationManager::Ge     81     safetyHelper = G4TransportationManager::GetTransportationManager()
 82       ->GetSafetyHelper();                         82       ->GetSafetyHelper();
 83     safetyHelper->InitialiseHelper();              83     safetyHelper->InitialiseHelper();
 84   }                                                84   }
 85   G4ParticleChangeForMSC* change = nullptr;        85   G4ParticleChangeForMSC* change = nullptr;
 86   if (nullptr != pParticleChange) {                86   if (nullptr != pParticleChange) {
 87     change = static_cast<G4ParticleChangeForMS     87     change = static_cast<G4ParticleChangeForMSC*>(pParticleChange);
 88   } else {                                         88   } else {
 89     change = new G4ParticleChangeForMSC();         89     change = new G4ParticleChangeForMSC();
 90   }                                                90   }
                                                   >>  91   if(IsMaster() && nullptr != p) {
                                                   >>  92 
                                                   >>  93     // table is always built for low mass particles 
                                                   >>  94     if(p->GetParticleName() != "GenericIon" &&
                                                   >>  95        (p->GetPDGMass() < CLHEP::GeV || ForceBuildTableFlag()) ) {
                                                   >>  96 
                                                   >>  97       G4EmParameters* param = G4EmParameters::Instance();
                                                   >>  98       G4LossTableBuilder* builder = 
                                                   >>  99   G4LossTableManager::Instance()->GetTableBuilder();
                                                   >> 100       G4double emin = std::max(LowEnergyLimit(), LowEnergyActivationLimit());
                                                   >> 101       G4double emax = std::min(HighEnergyLimit(), HighEnergyActivationLimit());
                                                   >> 102       emin = std::max(emin, param->MinKinEnergy());
                                                   >> 103       emax = std::min(emax, param->MaxKinEnergy());
                                                   >> 104       if(emin < emax) {
                                                   >> 105   xSectionTable = builder->BuildTableForModel(xSectionTable, this, p, 
                                                   >> 106                 emin, emax, useSpline);
                                                   >> 107       }
                                                   >> 108     }
                                                   >> 109   }
 91   return change;                                  110   return change;
 92 }                                                 111 }
 93                                                   112 
 94 //....oooOO0OOooo........oooOO0OOooo........oo    113 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 95                                                   114 
 96 void G4VMscModel::InitialiseParameters(const G    115 void G4VMscModel::InitialiseParameters(const G4ParticleDefinition* part)
 97 {                                                 116 {
 98   if(IsLocked()) { return; }                      117   if(IsLocked()) { return; }
 99   G4EmParameters* param = G4EmParameters::Inst    118   G4EmParameters* param = G4EmParameters::Instance();
100   if(std::abs(part->GetPDGEncoding()) == 11) {    119   if(std::abs(part->GetPDGEncoding()) == 11) {
101     steppingAlgorithm = param->MscStepLimitTyp    120     steppingAlgorithm = param->MscStepLimitType(); 
102     facrange = param->MscRangeFactor();           121     facrange = param->MscRangeFactor(); 
103     latDisplasment = param->LateralDisplacemen    122     latDisplasment = param->LateralDisplacement();
104   } else {                                        123   } else {
105     steppingAlgorithm = param->MscMuHadStepLim    124     steppingAlgorithm = param->MscMuHadStepLimitType(); 
106     facrange = param->MscMuHadRangeFactor();      125     facrange = param->MscMuHadRangeFactor(); 
107     latDisplasment = param->MuHadLateralDispla    126     latDisplasment = param->MuHadLateralDisplacement();
108   }                                               127   }
109   skin = param->MscSkin();                        128   skin = param->MscSkin();
110   facgeom = param->MscGeomFactor();               129   facgeom = param->MscGeomFactor();
111   facsafety = param->MscSafetyFactor();           130   facsafety = param->MscSafetyFactor();
112   lambdalimit = param->MscLambdaLimit();          131   lambdalimit = param->MscLambdaLimit();
113 }                                                 132 }
114                                                   133 
115 //....oooOO0OOooo........oooOO0OOooo........oo    134 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
116                                                   135 
117 void G4VMscModel::DumpParameters(std::ostream&    136 void G4VMscModel::DumpParameters(std::ostream& out) const
118 {                                                 137 {
119   G4String alg = "UseSafety";                     138   G4String alg = "UseSafety";
120   if (steppingAlgorithm == fUseDistanceToBound    139   if (steppingAlgorithm == fUseDistanceToBoundary) alg = "DistanceToBoundary";
121   else if (steppingAlgorithm == fMinimal) alg     140   else if (steppingAlgorithm == fMinimal) alg = "Minimal";
122   else if (steppingAlgorithm == fUseSafetyPlus    141   else if (steppingAlgorithm == fUseSafetyPlus) alg = "SafetyPlus";
123                                                   142 
124   out << std::setw(18) << "StepLim=" << alg <<    143   out << std::setw(18) << "StepLim=" << alg << " Rfact=" << facrange 
125       << " Gfact=" << facgeom << " Sfact=" <<     144       << " Gfact=" << facgeom << " Sfact=" << facsafety << " DispFlag:" << latDisplasment
126       << " Skin=" << skin << " Llim=" << lambd    145       << " Skin=" << skin << " Llim=" << lambdalimit/CLHEP::mm << " mm" << G4endl;
127 }                                                 146 }
128                                                   147 
129 //....oooOO0OOooo........oooOO0OOooo........oo    148 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
130                                                   149 
131 void G4VMscModel::SampleSecondaries(std::vecto    150 void G4VMscModel::SampleSecondaries(std::vector<G4DynamicParticle*>*,
132                                     const G4Ma    151                                     const G4MaterialCutsCouple*,
133                                     const G4Dy    152                                     const G4DynamicParticle*,
134                                     G4double,     153                                     G4double, G4double)
135 {}                                                154 {}
136                                                   155 
137 //....oooOO0OOooo........oooOO0OOooo........oo << 156 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......                                                                                                                                  
138                                                   157 
139 G4double G4VMscModel::GetDEDX(const G4Particle    158 G4double G4VMscModel::GetDEDX(const G4ParticleDefinition* part, G4double kinEnergy,
140                               const G4Material    159                               const G4MaterialCutsCouple* couple)
141 {                                                 160 {
142   G4double x;                                     161   G4double x;
143   if (nullptr != ionisation) {                    162   if (nullptr != ionisation) {
144     x = ionisation->GetDEDX(kinEnergy, couple)    163     x = ionisation->GetDEDX(kinEnergy, couple);
145   } else {                                        164   } else {
146     const G4double q = part->GetPDGCharge()*in    165     const G4double q = part->GetPDGCharge()*inveplus;
147     x = dedx*q*q;                                 166     x = dedx*q*q;
148   }                                               167   }
149   return x;                                       168   return x;
150 }                                              << 169 }                                                                                                                                                                                                                 
151                                                   170 
152 //....oooOO0OOooo........oooOO0OOooo........oo << 171 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......                                                                                                                                  
153                                                   172 
154 G4double G4VMscModel::GetDEDX(const G4Particle    173 G4double G4VMscModel::GetDEDX(const G4ParticleDefinition* part, G4double kinEnergy,
155                               const G4Material    174                               const G4MaterialCutsCouple* couple, G4double logKinEnergy)
156 {                                                 175 {
157   G4double x;                                     176   G4double x;
158   if (nullptr != ionisation) {                    177   if (nullptr != ionisation) {
159     x = ionisation->GetDEDX(kinEnergy, couple,    178     x = ionisation->GetDEDX(kinEnergy, couple, logKinEnergy);
160   } else {                                        179   } else {
161     const G4double q = part->GetPDGCharge()*in    180     const G4double q = part->GetPDGCharge()*inveplus;
162     x = dedx*q*q;                                 181     x = dedx*q*q;
163   }                                               182   }
164   return x;                                       183   return x;
165 }                                                 184 }
166                                                   185 
167 //....oooOO0OOooo........oooOO0OOooo........oo    186 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
168                                                   187 
169 G4double G4VMscModel::GetRange(const G4Particl    188 G4double G4VMscModel::GetRange(const G4ParticleDefinition* part, G4double kinEnergy,
170                                const G4Materia    189                                const G4MaterialCutsCouple* couple)
171 {                                                 190 {
172   //  << ionisation << "  " << part->GetPartic    191   //  << ionisation << "  " << part->GetParticleName() << G4endl;
173   localtkin = kinEnergy;                          192   localtkin = kinEnergy;
174   if (nullptr != ionisation) {                    193   if (nullptr != ionisation) {
175     localrange = ionisation->GetRange(kinEnerg    194     localrange = ionisation->GetRange(kinEnergy, couple);
176   } else {                                        195   } else {
177     const G4double q = part->GetPDGCharge()*in    196     const G4double q = part->GetPDGCharge()*inveplus;
178     localrange = kinEnergy/(dedx*q*q*couple->G    197     localrange = kinEnergy/(dedx*q*q*couple->GetMaterial()->GetDensity());
179   }                                               198   }
180   //G4cout << "R(mm)= " << localrange << "  "     199   //G4cout << "R(mm)= " << localrange << "  "  << ionisation << G4endl;
181   return localrange;                              200   return localrange;
182 }                                              << 201 }                                                                                                                                                                                                                 
183                                                   202 
184 //....oooOO0OOooo........oooOO0OOooo........oo << 203 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......                                                                                                                                  
185                                                   204 
186 G4double G4VMscModel::GetRange(const G4Particl    205 G4double G4VMscModel::GetRange(const G4ParticleDefinition* part,G4double kinEnergy,
187                                const G4Materia    206                                const G4MaterialCutsCouple* couple, G4double logKinEnergy)
188 {                                                 207 {
189   //G4cout << "G4VMscModel::GetRange E(MeV)= "    208   //G4cout << "G4VMscModel::GetRange E(MeV)= " << kinEnergy << "  "
190   //  << ionisation << "  " << part->GetPartic    209   //  << ionisation << "  " << part->GetParticleName() << G4endl;
191   localtkin = kinEnergy;                          210   localtkin = kinEnergy;
192   if (nullptr != ionisation) {                    211   if (nullptr != ionisation) {
193     localrange = ionisation->GetRange(kinEnerg    212     localrange = ionisation->GetRange(kinEnergy, couple, logKinEnergy);
194   } else {                                        213   } else {
195     const G4double q = part->GetPDGCharge()*in    214     const G4double q = part->GetPDGCharge()*inveplus;
196     localrange = kinEnergy/(dedx*q*q*couple->G    215     localrange = kinEnergy/(dedx*q*q*couple->GetMaterial()->GetDensity());
197   }                                               216   }
198   //G4cout << "R(mm)= " << localrange << "  "     217   //G4cout << "R(mm)= " << localrange << "  "  << ionisation << G4endl;
199   return localrange;                              218   return localrange;
200 }                                              << 219 }                                                                                                                                                                                                                 
201                                                   220 
202 //....oooOO0OOooo........oooOO0OOooo........oo    221 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
203                                                   222 
204 G4double G4VMscModel::GetEnergy(const G4Partic    223 G4double G4VMscModel::GetEnergy(const G4ParticleDefinition* part,
205                                 G4double range    224                                 G4double range, const G4MaterialCutsCouple* couple)
206 {                                                 225 {
207   G4double e;                                     226   G4double e;
208   //G4cout << "G4VMscModel::GetEnergy R(mm)= "    227   //G4cout << "G4VMscModel::GetEnergy R(mm)= " << range << "  " << ionisation
209   //     << "  Rlocal(mm)= " << localrange <<     228   //     << "  Rlocal(mm)= " << localrange << "  Elocal(MeV)= " << localtkin << G4endl;
210   if(nullptr != ionisation) { e = ionisation->    229   if(nullptr != ionisation) { e = ionisation->GetKineticEnergy(range, couple); }
211   else {                                          230   else {
212     e = localtkin;                                231     e = localtkin;
213     if(localrange > range) {                      232     if(localrange > range) {
214       G4double q = part->GetPDGCharge()*invepl    233       G4double q = part->GetPDGCharge()*inveplus;
215       e -= (localrange - range)*dedx*q*q*coupl    234       e -= (localrange - range)*dedx*q*q*couple->GetMaterial()->GetDensity();
216     }                                             235     }
217   }                                               236   }
218   return e;                                       237   return e;
219 }                                                 238 }
220                                                   239 
221 //....oooOO0OOooo........oooOO0OOooo........oo    240 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
222                                                   241