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>> 26 // $Id: G4VMscModel.cc,v 1.4 2008/03/10 18:39:45 vnivanch Exp $
>> 27 // GEANT4 tag $Name: geant4-09-02-patch-04 $
26 // 28 //
27 // ------------------------------------------- 29 // -------------------------------------------------------------------
28 // 30 //
29 // GEANT4 Class file 31 // GEANT4 Class file
30 // 32 //
31 // 33 //
32 // File name: G4VMscModel 34 // File name: G4VMscModel
33 // 35 //
34 // Author: Vladimir Ivanchenko 36 // Author: Vladimir Ivanchenko
35 // 37 //
36 // Creation date: 07.03.2008 38 // Creation date: 07.03.2008
37 // 39 //
38 // Modifications: 40 // Modifications:
39 // 41 //
40 // 42 //
41 // Class Description: 43 // Class Description:
42 // 44 //
43 // General interface to msc models 45 // General interface to msc models
44 46
45 // ------------------------------------------- 47 // -------------------------------------------------------------------
46 // 48 //
47 49
48 #include "G4VMscModel.hh" 50 #include "G4VMscModel.hh"
49 #include "G4SystemOfUnits.hh" <<
50 #include "G4ParticleChangeForMSC.hh" <<
51 #include "G4TransportationManager.hh" <<
52 #include "G4LossTableManager.hh" <<
53 #include "G4LossTableBuilder.hh" <<
54 #include "G4EmParameters.hh" <<
55 51
56 //....oooOO0OOooo........oooOO0OOooo........oo 52 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
57 //....oooOO0OOooo........oooOO0OOooo........oo 53 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
58 54
59 G4VMscModel::G4VMscModel(const G4String& nam): 55 G4VMscModel::G4VMscModel(const G4String& nam):
60 G4VEmModel(nam), 56 G4VEmModel(nam),
61 lambdalimit(1.*CLHEP::mm), << 57 facrange(0.02),
62 geomMin(1.e-6*CLHEP::mm), << 58 facgeom(2.5),
63 geomMax(1.e50*CLHEP::mm), << 59 facsafety(0.25),
64 fDisplacement(0.,0.,0.), << 60 skin(3.0),
65 steppingAlgorithm(fUseSafety) << 61 dtrl(0.05),
66 { << 62 lambdalimit(mm),
67 dedx = 2.0*CLHEP::MeV*CLHEP::cm2/CLHEP::g; << 63 steppingAlgorithm(fUseSafety),
68 } << 64 samplez(false),
69 << 65 latDisplasment(true)
70 //....oooOO0OOooo........oooOO0OOooo........oo <<
71 <<
72 G4VMscModel::~G4VMscModel() = default; <<
73 <<
74 //....oooOO0OOooo........oooOO0OOooo........oo <<
75 <<
76 G4ParticleChangeForMSC* <<
77 G4VMscModel::GetParticleChangeForMSC(const G4P <<
78 { <<
79 // recomputed for each new run <<
80 if(nullptr == safetyHelper) { <<
81 safetyHelper = G4TransportationManager::Ge <<
82 ->GetSafetyHelper(); <<
83 safetyHelper->InitialiseHelper(); <<
84 } <<
85 G4ParticleChangeForMSC* change = nullptr; <<
86 if (nullptr != pParticleChange) { <<
87 change = static_cast<G4ParticleChangeForMS <<
88 } else { <<
89 change = new G4ParticleChangeForMSC(); <<
90 } <<
91 return change; <<
92 } <<
93 <<
94 //....oooOO0OOooo........oooOO0OOooo........oo <<
95 <<
96 void G4VMscModel::InitialiseParameters(const G <<
97 { <<
98 if(IsLocked()) { return; } <<
99 G4EmParameters* param = G4EmParameters::Inst <<
100 if(std::abs(part->GetPDGEncoding()) == 11) { <<
101 steppingAlgorithm = param->MscStepLimitTyp <<
102 facrange = param->MscRangeFactor(); <<
103 latDisplasment = param->LateralDisplacemen <<
104 } else { <<
105 steppingAlgorithm = param->MscMuHadStepLim <<
106 facrange = param->MscMuHadRangeFactor(); <<
107 latDisplasment = param->MuHadLateralDispla <<
108 } <<
109 skin = param->MscSkin(); <<
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 } <<
128 <<
129 //....oooOO0OOooo........oooOO0OOooo........oo <<
130 <<
131 void G4VMscModel::SampleSecondaries(std::vecto <<
132 const G4Ma <<
133 const G4Dy <<
134 G4double, <<
135 {} 66 {}
136 67
137 //....oooOO0OOooo........oooOO0OOooo........oo 68 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
138 69
139 G4double G4VMscModel::GetDEDX(const G4Particle << 70 G4VMscModel::~G4VMscModel()
140 const G4Material << 71 {}
141 { <<
142 G4double x; <<
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 } <<
151 <<
152 //....oooOO0OOooo........oooOO0OOooo........oo <<
153 <<
154 G4double G4VMscModel::GetDEDX(const G4Particle <<
155 const G4Material <<
156 { <<
157 G4double x; <<
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 } <<
166 <<
167 //....oooOO0OOooo........oooOO0OOooo........oo <<
168 <<
169 G4double G4VMscModel::GetRange(const G4Particl <<
170 const G4Materia <<
171 { <<
172 // << ionisation << " " << part->GetPartic <<
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 } <<
183 <<
184 //....oooOO0OOooo........oooOO0OOooo........oo <<
185 <<
186 G4double G4VMscModel::GetRange(const G4Particl <<
187 const G4Materia <<
188 { <<
189 //G4cout << "G4VMscModel::GetRange E(MeV)= " <<
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 } <<
201 <<
202 //....oooOO0OOooo........oooOO0OOooo........oo <<
203 <<
204 G4double G4VMscModel::GetEnergy(const G4Partic <<
205 G4double range <<
206 { <<
207 G4double e; <<
208 //G4cout << "G4VMscModel::GetEnergy R(mm)= " <<
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 72
221 //....oooOO0OOooo........oooOO0OOooo........oo 73 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
222 74