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>> 26 // $Id: G4VMscModel.cc 66590 2012-12-23 09:31:50Z vnivanch $
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 "G4LossTableBuilder.hh" 53 #include "G4LossTableBuilder.hh"
54 #include "G4EmParameters.hh" <<
55 54
56 //....oooOO0OOooo........oooOO0OOooo........oo 55 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
57 //....oooOO0OOooo........oooOO0OOooo........oo 56 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
58 57
59 G4VMscModel::G4VMscModel(const G4String& nam): 58 G4VMscModel::G4VMscModel(const G4String& nam):
60 G4VEmModel(nam), 59 G4VEmModel(nam),
61 lambdalimit(1.*CLHEP::mm), << 60 safetyHelper(0),
>> 61 ionisation(0),
>> 62 facrange(0.04),
>> 63 facgeom(2.5),
>> 64 facsafety(0.3),
>> 65 skin(1.0),
>> 66 dtrl(0.05),
>> 67 lambdalimit(mm),
62 geomMin(1.e-6*CLHEP::mm), 68 geomMin(1.e-6*CLHEP::mm),
63 geomMax(1.e50*CLHEP::mm), 69 geomMax(1.e50*CLHEP::mm),
64 fDisplacement(0.,0.,0.), << 70 steppingAlgorithm(fUseSafety),
65 steppingAlgorithm(fUseSafety) << 71 samplez(false),
>> 72 latDisplasment(true)
66 { 73 {
67 dedx = 2.0*CLHEP::MeV*CLHEP::cm2/CLHEP::g; << 74 dedx = 2.0*CLHEP::MeV*CLHEP::cm2/CLHEP::g;
>> 75 localrange = DBL_MAX;
>> 76 localtkin = 0.0;
>> 77 man = G4LossTableManager::Instance();
>> 78 currentPart = 0;
68 } 79 }
69 80
70 //....oooOO0OOooo........oooOO0OOooo........oo 81 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
71 82
72 G4VMscModel::~G4VMscModel() = default; << 83 G4VMscModel::~G4VMscModel()
>> 84 {}
73 85
74 //....oooOO0OOooo........oooOO0OOooo........oo 86 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
75 87
76 G4ParticleChangeForMSC* 88 G4ParticleChangeForMSC*
77 G4VMscModel::GetParticleChangeForMSC(const G4P << 89 G4VMscModel::GetParticleChangeForMSC(const G4ParticleDefinition* p)
78 { 90 {
79 // recomputed for each new run << 91 if(!safetyHelper) {
80 if(nullptr == safetyHelper) { <<
81 safetyHelper = G4TransportationManager::Ge 92 safetyHelper = G4TransportationManager::GetTransportationManager()
82 ->GetSafetyHelper(); 93 ->GetSafetyHelper();
83 safetyHelper->InitialiseHelper(); 94 safetyHelper->InitialiseHelper();
84 } 95 }
85 G4ParticleChangeForMSC* change = nullptr; << 96 G4ParticleChangeForMSC* change = 0;
86 if (nullptr != pParticleChange) { << 97 if (pParticleChange) {
87 change = static_cast<G4ParticleChangeForMS 98 change = static_cast<G4ParticleChangeForMSC*>(pParticleChange);
88 } else { 99 } else {
89 change = new G4ParticleChangeForMSC(); 100 change = new G4ParticleChangeForMSC();
90 } 101 }
91 return change; << 102 if(p) {
92 } <<
93 <<
94 //....oooOO0OOooo........oooOO0OOooo........oo <<
95 103
96 void G4VMscModel::InitialiseParameters(const G << 104 // table is never built for GenericIon
97 { << 105 if(p->GetParticleName() == "GenericIon") {
98 if(IsLocked()) { return; } << 106 if(xSectionTable) {
99 G4EmParameters* param = G4EmParameters::Inst << 107 xSectionTable->clearAndDestroy();
100 if(std::abs(part->GetPDGEncoding()) == 11) { << 108 delete xSectionTable;
101 steppingAlgorithm = param->MscStepLimitTyp << 109 xSectionTable = 0;
102 facrange = param->MscRangeFactor(); << 110 }
103 latDisplasment = param->LateralDisplacemen << 111
104 } else { << 112 // table is always built for low mass particles
105 steppingAlgorithm = param->MscMuHadStepLim << 113 } else if(p->GetPDGMass() < 4.5*GeV || ForceBuildTableFlag()) {
106 facrange = param->MscMuHadRangeFactor(); << 114 G4double emin = std::max(LowEnergyLimit(), LowEnergyActivationLimit());
107 latDisplasment = param->MuHadLateralDispla << 115 G4double emax = std::min(HighEnergyLimit(), HighEnergyActivationLimit());
>> 116 emin = std::max(emin, man->MinKinEnergy());
>> 117 emax = std::min(emax, man->MaxKinEnergy());
>> 118 G4LossTableBuilder* builder = man->GetTableBuilder();
>> 119 xSectionTable = builder->BuildTableForModel(xSectionTable, this, p,
>> 120 emin, emax, true);
>> 121 theDensityFactor = builder->GetDensityFactors();
>> 122 theDensityIdx = builder->GetCoupleIndexes();
>> 123 }
108 } 124 }
109 skin = param->MscSkin(); << 125 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 } 126 }
128 127
129 //....oooOO0OOooo........oooOO0OOooo........oo 128 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
130 129
131 void G4VMscModel::SampleSecondaries(std::vecto << 130 G4ThreeVector&
132 const G4Ma << 131 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 { 132 {
142 G4double x; << 133 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 } 134 }
151 135
152 //....oooOO0OOooo........oooOO0OOooo........oo 136 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
153 137
154 G4double G4VMscModel::GetDEDX(const G4Particle << 138 G4double G4VMscModel::ComputeTruePathLengthLimit(const G4Track&, G4double&)
155 const G4Material <<
156 { 139 {
157 G4double x; << 140 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 } 141 }
166 142
167 //....oooOO0OOooo........oooOO0OOooo........oo 143 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
168 144
169 G4double G4VMscModel::GetRange(const G4Particl << 145 G4double G4VMscModel::ComputeGeomPathLength(G4double truePathLength)
170 const G4Materia <<
171 { 146 {
172 // << ionisation << " " << part->GetPartic << 147 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 } 148 }
183 149
184 //....oooOO0OOooo........oooOO0OOooo........oo 150 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
185 151
186 G4double G4VMscModel::GetRange(const G4Particl << 152 G4double G4VMscModel::ComputeTrueStepLength(G4double geomPathLength)
187 const G4Materia <<
188 { 153 {
189 //G4cout << "G4VMscModel::GetRange E(MeV)= " << 154 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 } 155 }
201 156
202 //....oooOO0OOooo........oooOO0OOooo........oo 157 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
203 158
204 G4double G4VMscModel::GetEnergy(const G4Partic << 159 void G4VMscModel::SampleSecondaries(std::vector<G4DynamicParticle*>*,
205 G4double range << 160 const G4MaterialCutsCouple*,
206 { << 161 const G4DynamicParticle*,
207 G4double e; << 162 G4double, G4double)
208 //G4cout << "G4VMscModel::GetEnergy R(mm)= " << 163 {}
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 } <<
220 164
221 //....oooOO0OOooo........oooOO0OOooo........oo 165 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
222 166