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>> 26 // $Id: G4VMscModel.cc 96115 2016-03-16 18:53:00Z gcosmo $
26 // 27 //
27 // ------------------------------------------- 28 // -------------------------------------------------------------------
28 // 29 //
29 // GEANT4 Class file 30 // GEANT4 Class file
30 // 31 //
31 // 32 //
32 // File name: G4VMscModel 33 // File name: G4VMscModel
33 // 34 //
34 // Author: Vladimir Ivanchenko 35 // Author: Vladimir Ivanchenko
35 // 36 //
36 // Creation date: 07.03.2008 37 // Creation date: 07.03.2008
37 // 38 //
38 // Modifications: 39 // Modifications:
39 // 40 //
40 // 41 //
41 // Class Description: 42 // Class Description:
42 // 43 //
43 // General interface to msc models 44 // General interface to msc models
44 45
45 // ------------------------------------------- 46 // -------------------------------------------------------------------
46 // 47 //
47 48
48 #include "G4VMscModel.hh" 49 #include "G4VMscModel.hh"
49 #include "G4SystemOfUnits.hh" 50 #include "G4SystemOfUnits.hh"
50 #include "G4ParticleChangeForMSC.hh" 51 #include "G4ParticleChangeForMSC.hh"
51 #include "G4TransportationManager.hh" 52 #include "G4TransportationManager.hh"
52 #include "G4LossTableManager.hh" 53 #include "G4LossTableManager.hh"
53 #include "G4LossTableBuilder.hh" 54 #include "G4LossTableBuilder.hh"
54 #include "G4EmParameters.hh" 55 #include "G4EmParameters.hh"
55 56
56 //....oooOO0OOooo........oooOO0OOooo........oo 57 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
57 //....oooOO0OOooo........oooOO0OOooo........oo 58 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
58 59
59 G4VMscModel::G4VMscModel(const G4String& nam): 60 G4VMscModel::G4VMscModel(const G4String& nam):
60 G4VEmModel(nam), 61 G4VEmModel(nam),
61 lambdalimit(1.*CLHEP::mm), << 62 safetyHelper(nullptr),
>> 63 ionisation(nullptr),
>> 64 facrange(0.04),
>> 65 facgeom(2.5),
>> 66 facsafety(0.3),
>> 67 skin(1.0),
>> 68 dtrl(0.05),
>> 69 lambdalimit(mm),
62 geomMin(1.e-6*CLHEP::mm), 70 geomMin(1.e-6*CLHEP::mm),
63 geomMax(1.e50*CLHEP::mm), 71 geomMax(1.e50*CLHEP::mm),
64 fDisplacement(0.,0.,0.), 72 fDisplacement(0.,0.,0.),
65 steppingAlgorithm(fUseSafety) << 73 steppingAlgorithm(fUseSafety),
>> 74 samplez(false),
>> 75 latDisplasment(true)
66 { 76 {
67 dedx = 2.0*CLHEP::MeV*CLHEP::cm2/CLHEP::g; << 77 dedx = 2.0*CLHEP::MeV*CLHEP::cm2/CLHEP::g;
>> 78 localrange = DBL_MAX;
>> 79 localtkin = 0.0;
>> 80 currentPart = 0;
68 } 81 }
69 82
70 //....oooOO0OOooo........oooOO0OOooo........oo 83 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
71 84
72 G4VMscModel::~G4VMscModel() = default; << 85 G4VMscModel::~G4VMscModel()
>> 86 {}
73 87
74 //....oooOO0OOooo........oooOO0OOooo........oo 88 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
75 89
76 G4ParticleChangeForMSC* 90 G4ParticleChangeForMSC*
77 G4VMscModel::GetParticleChangeForMSC(const G4P << 91 G4VMscModel::GetParticleChangeForMSC(const G4ParticleDefinition* p)
78 { 92 {
79 // recomputed for each new run 93 // recomputed for each new run
80 if(nullptr == safetyHelper) { << 94 if(!safetyHelper) {
81 safetyHelper = G4TransportationManager::Ge 95 safetyHelper = G4TransportationManager::GetTransportationManager()
82 ->GetSafetyHelper(); 96 ->GetSafetyHelper();
83 safetyHelper->InitialiseHelper(); 97 safetyHelper->InitialiseHelper();
84 } 98 }
85 G4ParticleChangeForMSC* change = nullptr; 99 G4ParticleChangeForMSC* change = nullptr;
86 if (nullptr != pParticleChange) { << 100 if (pParticleChange) {
87 change = static_cast<G4ParticleChangeForMS 101 change = static_cast<G4ParticleChangeForMSC*>(pParticleChange);
88 } else { 102 } else {
89 change = new G4ParticleChangeForMSC(); 103 change = new G4ParticleChangeForMSC();
90 } 104 }
91 return change; << 105 if(p) {
92 } <<
93 <<
94 //....oooOO0OOooo........oooOO0OOooo........oo <<
95 106
96 void G4VMscModel::InitialiseParameters(const G << 107 // table is never built for GenericIon
97 { << 108 if(p->GetParticleName() == "GenericIon") {
98 if(IsLocked()) { return; } << 109 if(xSectionTable) {
99 G4EmParameters* param = G4EmParameters::Inst << 110 xSectionTable->clearAndDestroy();
100 if(std::abs(part->GetPDGEncoding()) == 11) { << 111 delete xSectionTable;
101 steppingAlgorithm = param->MscStepLimitTyp << 112 xSectionTable = nullptr;
102 facrange = param->MscRangeFactor(); << 113 }
103 latDisplasment = param->LateralDisplacemen << 114
104 } else { << 115 // table is always built for low mass particles
105 steppingAlgorithm = param->MscMuHadStepLim << 116 } else if(p->GetPDGMass() < 4.5*GeV || ForceBuildTableFlag()) {
106 facrange = param->MscMuHadRangeFactor(); << 117
107 latDisplasment = param->MuHadLateralDispla << 118 G4EmParameters* param = G4EmParameters::Instance();
>> 119 idxTable = 0;
>> 120 G4LossTableBuilder* builder =
>> 121 G4LossTableManager::Instance()->GetTableBuilder();
>> 122 if(IsMaster()) {
>> 123 G4double emin = std::max(LowEnergyLimit(), LowEnergyActivationLimit());
>> 124 G4double emax = std::min(HighEnergyLimit(), HighEnergyActivationLimit());
>> 125 emin = std::max(emin, param->MinKinEnergy());
>> 126 emax = std::min(emax, param->MaxKinEnergy());
>> 127 if(emin < emax) {
>> 128 xSectionTable = builder->BuildTableForModel(xSectionTable, this, p,
>> 129 emin, emax, true);
>> 130 }
>> 131 }
>> 132 theDensityFactor = builder->GetDensityFactors();
>> 133 theDensityIdx = builder->GetCoupleIndexes();
>> 134 }
108 } 135 }
109 skin = param->MscSkin(); << 136 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 } 137 }
128 138
129 //....oooOO0OOooo........oooOO0OOooo........oo 139 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
130 140
131 void G4VMscModel::SampleSecondaries(std::vecto << 141 G4ThreeVector&
132 const G4Ma << 142 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 { 143 {
142 G4double x; << 144 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 } 145 }
151 146
152 //....oooOO0OOooo........oooOO0OOooo........oo 147 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
153 148
154 G4double G4VMscModel::GetDEDX(const G4Particle << 149 G4double G4VMscModel::ComputeTruePathLengthLimit(const G4Track&, G4double&)
155 const G4Material <<
156 { 150 {
157 G4double x; << 151 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 } 152 }
166 153
167 //....oooOO0OOooo........oooOO0OOooo........oo 154 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
168 155
169 G4double G4VMscModel::GetRange(const G4Particl << 156 G4double G4VMscModel::ComputeGeomPathLength(G4double truePathLength)
170 const G4Materia <<
171 { 157 {
172 // << ionisation << " " << part->GetPartic << 158 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 } 159 }
183 160
184 //....oooOO0OOooo........oooOO0OOooo........oo 161 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
185 162
186 G4double G4VMscModel::GetRange(const G4Particl << 163 G4double G4VMscModel::ComputeTrueStepLength(G4double geomPathLength)
187 const G4Materia <<
188 { 164 {
189 //G4cout << "G4VMscModel::GetRange E(MeV)= " << 165 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 } 166 }
201 167
202 //....oooOO0OOooo........oooOO0OOooo........oo 168 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
203 169
204 G4double G4VMscModel::GetEnergy(const G4Partic << 170 void G4VMscModel::SampleSecondaries(std::vector<G4DynamicParticle*>*,
205 G4double range << 171 const G4MaterialCutsCouple*,
206 { << 172 const G4DynamicParticle*,
207 G4double e; << 173 G4double, G4double)
208 //G4cout << "G4VMscModel::GetEnergy R(mm)= " << 174 {}
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 } <<
220 175
221 //....oooOO0OOooo........oooOO0OOooo........oo 176 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
222 177