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27 // ------------------------------------------- 27 // -------------------------------------------------------------------
28 // 28 //
29 // GEANT4 Class file 29 // GEANT4 Class file
30 // 30 //
31 // 31 //
32 // File name: G4WentzelVIRelModel 32 // File name: G4WentzelVIRelModel
33 // 33 //
34 // Author: V.Ivanchenko 34 // Author: V.Ivanchenko
35 // 35 //
36 // Creation date: 08.06.2012 from G4WentzelVIR 36 // Creation date: 08.06.2012 from G4WentzelVIRelModel
37 // 37 //
38 // Modifications: 38 // Modifications:
39 // 39 //
40 // Class Description: 40 // Class Description:
41 // 41 //
42 // Implementation of the model of multiple sca 42 // Implementation of the model of multiple scattering based on
43 // G.Wentzel, Z. Phys. 40 (1927) 590. 43 // G.Wentzel, Z. Phys. 40 (1927) 590.
44 // H.W.Lewis, Phys Rev 78 (1950) 526. 44 // H.W.Lewis, Phys Rev 78 (1950) 526.
45 // J.M. Fernandez-Varea et al., NIM B73 (1993) 45 // J.M. Fernandez-Varea et al., NIM B73 (1993) 447.
46 // L.Urban, CERN-OPEN-2006-077. 46 // L.Urban, CERN-OPEN-2006-077.
47 47
48 // ------------------------------------------- 48 // -------------------------------------------------------------------
49 // 49 //
50 50
51 //....oooOO0OOooo........oooOO0OOooo........oo 51 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
52 //....oooOO0OOooo........oooOO0OOooo........oo 52 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
53 53
54 #include "G4WentzelVIRelModel.hh" 54 #include "G4WentzelVIRelModel.hh"
55 #include "G4WentzelVIRelXSection.hh" 55 #include "G4WentzelVIRelXSection.hh"
56 #include "G4WentzelOKandVIxSection.hh" 56 #include "G4WentzelOKandVIxSection.hh"
57 #include "G4PhysicalConstants.hh" 57 #include "G4PhysicalConstants.hh"
58 #include "G4SystemOfUnits.hh" 58 #include "G4SystemOfUnits.hh"
59 #include "G4Material.hh" 59 #include "G4Material.hh"
60 #include "G4ElementVector.hh" 60 #include "G4ElementVector.hh"
61 #include "G4ProductionCutsTable.hh" 61 #include "G4ProductionCutsTable.hh"
62 #include "G4NistManager.hh" 62 #include "G4NistManager.hh"
63 #include "G4EmParameters.hh" 63 #include "G4EmParameters.hh"
64 #include "G4AutoLock.hh" <<
65 64
66 //....oooOO0OOooo........oooOO0OOooo........oo 65 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
67 66
68 std::vector<G4double> G4WentzelVIRelModel::eff 67 std::vector<G4double> G4WentzelVIRelModel::effMass;
69 68
70 namespace << 69 #ifdef G4MULTITHREADED
71 { << 70 G4Mutex G4WentzelVIRelModel::WentzelVIRelModelMutex = G4MUTEX_INITIALIZER;
72 G4Mutex theWVIRelMutex = G4MUTEX_INITIALIZER << 71 #endif
73 } <<
74 72
75 G4WentzelVIRelModel::G4WentzelVIRelModel() : 73 G4WentzelVIRelModel::G4WentzelVIRelModel() :
76 G4WentzelVIModel(true, "WentzelVIRel") 74 G4WentzelVIModel(true, "WentzelVIRel")
77 { 75 {
78 fNistManager = G4NistManager::Instance(); 76 fNistManager = G4NistManager::Instance();
79 auto ptr = new G4WentzelVIRelXSection(); << 77 G4WentzelVIRelXSection* ptr = new G4WentzelVIRelXSection();
80 SetWVICrossSection(static_cast<G4WentzelOKan 78 SetWVICrossSection(static_cast<G4WentzelOKandVIxSection*>(ptr));
81 } 79 }
82 80
83 //....oooOO0OOooo........oooOO0OOooo........oo 81 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
84 82
85 G4WentzelVIRelModel::~G4WentzelVIRelModel() = << 83 G4WentzelVIRelModel::~G4WentzelVIRelModel()
>> 84 {}
86 85
87 //....oooOO0OOooo........oooOO0OOooo........oo 86 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
88 87
89 void G4WentzelVIRelModel::Initialise(const G4P 88 void G4WentzelVIRelModel::Initialise(const G4ParticleDefinition* p,
90 const G4D 89 const G4DataVector& cuts)
91 { 90 {
92 // Access to materials 91 // Access to materials
93 const G4ProductionCutsTable* theCoupleTable 92 const G4ProductionCutsTable* theCoupleTable =
94 G4ProductionCutsTable::GetProductionCutsTa 93 G4ProductionCutsTable::GetProductionCutsTable();
95 if(theCoupleTable->GetTableSize() != effMass 94 if(theCoupleTable->GetTableSize() != effMass.size()) {
96 ComputeEffectiveMass(); 95 ComputeEffectiveMass();
97 } 96 }
98 97
99 G4WentzelVIModel::Initialise(p, cuts); 98 G4WentzelVIModel::Initialise(p, cuts);
100 } 99 }
101 100
102 //....oooOO0OOooo........oooOO0OOooo........oo 101 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
103 102
104 void G4WentzelVIRelModel::DefineMaterial(const 103 void G4WentzelVIRelModel::DefineMaterial(const G4MaterialCutsCouple* cup)
105 { 104 {
106 if(cup != currentCouple) { 105 if(cup != currentCouple) {
107 currentCouple = cup; 106 currentCouple = cup;
108 SetCurrentCouple(cup); 107 SetCurrentCouple(cup);
109 currentMaterial = cup->GetMaterial(); 108 currentMaterial = cup->GetMaterial();
110 currentMaterialIndex = currentCouple->GetI 109 currentMaterialIndex = currentCouple->GetIndex();
111 GetWVICrossSection()->SetTargetMass(effMas 110 GetWVICrossSection()->SetTargetMass(effMass[currentMaterialIndex]);
112 } 111 }
113 } 112 }
114 113
115 //....oooOO0OOooo........oooOO0OOooo........oo 114 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
116 115
117 G4double G4WentzelVIRelModel::ComputeCrossSect 116 G4double G4WentzelVIRelModel::ComputeCrossSectionPerAtom(
118 const G4ParticleD 117 const G4ParticleDefinition* p,
119 G4double kinEnerg 118 G4double kinEnergy,
120 G4double Z, G4dou 119 G4double Z, G4double,
121 G4double cutEnerg 120 G4double cutEnergy, G4double)
122 { 121 {
123 G4double cross = 0.0; 122 G4double cross = 0.0;
124 if(p != particle) { SetupParticle(p); } 123 if(p != particle) { SetupParticle(p); }
125 if(kinEnergy < lowEnergyLimit) { return cros 124 if(kinEnergy < lowEnergyLimit) { return cross; }
126 if(nullptr == CurrentCouple()) { 125 if(nullptr == CurrentCouple()) {
127 G4Exception("G4WentzelVIRelModel::ComputeC 126 G4Exception("G4WentzelVIRelModel::ComputeCrossSectionPerAtom", "em0011",
128 FatalException, " G4MaterialCu 127 FatalException, " G4MaterialCutsCouple is not defined");
129 return cross; 128 return cross;
130 } 129 }
131 DefineMaterial(CurrentCouple()); 130 DefineMaterial(CurrentCouple());
132 G4int iz = G4lrint(Z); 131 G4int iz = G4lrint(Z);
133 G4double tmass = (1 == iz) ? CLHEP::proton_m 132 G4double tmass = (1 == iz) ? CLHEP::proton_mass_c2
134 : fNistManager->GetAtomicMassAmu(iz)*amu_c 133 : fNistManager->GetAtomicMassAmu(iz)*amu_c2;
135 wokvi->SetTargetMass(tmass); 134 wokvi->SetTargetMass(tmass);
136 cosTetMaxNuc = wokvi->SetupKinematic(kinEner 135 cosTetMaxNuc = wokvi->SetupKinematic(kinEnergy, currentMaterial);
137 if(cosTetMaxNuc < 1.0) { 136 if(cosTetMaxNuc < 1.0) {
138 G4double cost = wokvi->SetupTarget(iz, cut 137 G4double cost = wokvi->SetupTarget(iz, cutEnergy);
139 cross = wokvi->ComputeTransportCrossSectio 138 cross = wokvi->ComputeTransportCrossSectionPerAtom(cost);
140 /* 139 /*
141 //if(p->GetParticleName() == "e-") 140 //if(p->GetParticleName() == "e-")
142 G4cout << "G4WentzelVIRelModel::CS: Z= " < 141 G4cout << "G4WentzelVIRelModel::CS: Z= " << G4int(Z)
143 << " e(MeV)= " << kinEnergy 142 << " e(MeV)= " << kinEnergy
144 << " 1-cosN= " << 1 - cosTetMaxNuc 143 << " 1-cosN= " << 1 - cosTetMaxNuc << " cross(bn)= " << cross/barn
145 << " " << particle->GetParticleName 144 << " " << particle->GetParticleName() << G4endl;
146 */ 145 */
147 } 146 }
148 return cross; 147 return cross;
149 } 148 }
150 149
151 //....oooOO0OOooo........oooOO0OOooo........oo 150 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
152 151
153 void G4WentzelVIRelModel::ComputeEffectiveMass 152 void G4WentzelVIRelModel::ComputeEffectiveMass()
154 { 153 {
155 const G4ProductionCutsTable* theCoupleTable 154 const G4ProductionCutsTable* theCoupleTable =
156 G4ProductionCutsTable::GetProductionCutsTa 155 G4ProductionCutsTable::GetProductionCutsTable();
157 std::size_t ncouples = (G4int)theCoupleTable << 156 size_t ncouples = theCoupleTable->GetTableSize();
158 if(ncouples == effMass.size()) { return; } << 157 #ifdef G4MULTITHREADED
159 << 158 G4MUTEXLOCK(&G4WentzelVIRelModel::WentzelVIRelModelMutex);
160 G4AutoLock l(&theWVIRelMutex); <<
161 if(ncouples != effMass.size()) { 159 if(ncouples != effMass.size()) {
>> 160 #endif
162 effMass.resize(ncouples, 0.0); 161 effMass.resize(ncouples, 0.0);
163 for(std::size_t i=0; i<ncouples; ++i) { << 162 for(size_t i=0; i<ncouples; ++i) {
164 const G4Material* mat = 163 const G4Material* mat =
165 theCoupleTable->GetMaterialCutsCouple((G4int << 164 theCoupleTable->GetMaterialCutsCouple(i)->GetMaterial();
166 const G4ElementVector* elmVector = mat-> 165 const G4ElementVector* elmVector = mat->GetElementVector();
167 std::size_t nelm = mat->GetNumberOfEleme << 166 G4int nelm = mat->GetNumberOfElements();
168 G4double sum = 0.0; 167 G4double sum = 0.0;
169 G4double norm= 0.0; 168 G4double norm= 0.0;
170 for(std::size_t j=0; j<nelm; ++j) { << 169 for(G4int j=0; j<nelm; ++j) {
171 G4int Z = (*elmVector)[j]->GetZasInt(); 170 G4int Z = (*elmVector)[j]->GetZasInt();
172 G4double mass = fNistManager->GetAtomicMassA 171 G4double mass = fNistManager->GetAtomicMassAmu(Z)*CLHEP::amu_c2;
173 G4int Z2 = Z*Z; 172 G4int Z2 = Z*Z;
174 sum += mass*Z2; 173 sum += mass*Z2;
175 norm += Z2; 174 norm += Z2;
176 } 175 }
177 effMass[i] = (0.0 < norm) ? sum/norm : s << 176 effMass[i] = sum/norm;
178 } 177 }
>> 178 #ifdef G4MULTITHREADED
179 } 179 }
180 l.unlock(); << 180 G4MUTEXUNLOCK(&G4WentzelVIRelModel::WentzelVIRelModelMutex);
>> 181 #endif
181 } 182 }
182 183
183 //....oooOO0OOooo........oooOO0OOooo........oo 184 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
184 185