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26 // 26 //
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" 64 #include "G4AutoLock.hh"
65 65
66 //....oooOO0OOooo........oooOO0OOooo........oo 66 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
67 67
68 std::vector<G4double> G4WentzelVIRelModel::eff 68 std::vector<G4double> G4WentzelVIRelModel::effMass;
69 69
70 namespace 70 namespace
71 { 71 {
72 G4Mutex theWVIRelMutex = G4MUTEX_INITIALIZER 72 G4Mutex theWVIRelMutex = G4MUTEX_INITIALIZER;
73 } 73 }
74 74
75 G4WentzelVIRelModel::G4WentzelVIRelModel() : 75 G4WentzelVIRelModel::G4WentzelVIRelModel() :
76 G4WentzelVIModel(true, "WentzelVIRel") 76 G4WentzelVIModel(true, "WentzelVIRel")
77 { 77 {
78 fNistManager = G4NistManager::Instance(); 78 fNistManager = G4NistManager::Instance();
79 auto ptr = new G4WentzelVIRelXSection(); 79 auto ptr = new G4WentzelVIRelXSection();
80 SetWVICrossSection(static_cast<G4WentzelOKan 80 SetWVICrossSection(static_cast<G4WentzelOKandVIxSection*>(ptr));
81 } 81 }
82 82
83 //....oooOO0OOooo........oooOO0OOooo........oo 83 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
84 84
85 G4WentzelVIRelModel::~G4WentzelVIRelModel() = 85 G4WentzelVIRelModel::~G4WentzelVIRelModel() = default;
86 86
87 //....oooOO0OOooo........oooOO0OOooo........oo 87 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
88 88
89 void G4WentzelVIRelModel::Initialise(const G4P 89 void G4WentzelVIRelModel::Initialise(const G4ParticleDefinition* p,
90 const G4D 90 const G4DataVector& cuts)
91 { 91 {
92 // Access to materials 92 // Access to materials
93 const G4ProductionCutsTable* theCoupleTable 93 const G4ProductionCutsTable* theCoupleTable =
94 G4ProductionCutsTable::GetProductionCutsTa 94 G4ProductionCutsTable::GetProductionCutsTable();
95 if(theCoupleTable->GetTableSize() != effMass 95 if(theCoupleTable->GetTableSize() != effMass.size()) {
96 ComputeEffectiveMass(); 96 ComputeEffectiveMass();
97 } 97 }
98 98
99 G4WentzelVIModel::Initialise(p, cuts); 99 G4WentzelVIModel::Initialise(p, cuts);
100 } 100 }
101 101
102 //....oooOO0OOooo........oooOO0OOooo........oo 102 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
103 103
104 void G4WentzelVIRelModel::DefineMaterial(const 104 void G4WentzelVIRelModel::DefineMaterial(const G4MaterialCutsCouple* cup)
105 { 105 {
106 if(cup != currentCouple) { 106 if(cup != currentCouple) {
107 currentCouple = cup; 107 currentCouple = cup;
108 SetCurrentCouple(cup); 108 SetCurrentCouple(cup);
109 currentMaterial = cup->GetMaterial(); 109 currentMaterial = cup->GetMaterial();
110 currentMaterialIndex = currentCouple->GetI 110 currentMaterialIndex = currentCouple->GetIndex();
111 GetWVICrossSection()->SetTargetMass(effMas 111 GetWVICrossSection()->SetTargetMass(effMass[currentMaterialIndex]);
112 } 112 }
113 } 113 }
114 114
115 //....oooOO0OOooo........oooOO0OOooo........oo 115 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
116 116
117 G4double G4WentzelVIRelModel::ComputeCrossSect 117 G4double G4WentzelVIRelModel::ComputeCrossSectionPerAtom(
118 const G4ParticleD 118 const G4ParticleDefinition* p,
119 G4double kinEnerg 119 G4double kinEnergy,
120 G4double Z, G4dou 120 G4double Z, G4double,
121 G4double cutEnerg 121 G4double cutEnergy, G4double)
122 { 122 {
123 G4double cross = 0.0; 123 G4double cross = 0.0;
124 if(p != particle) { SetupParticle(p); } 124 if(p != particle) { SetupParticle(p); }
125 if(kinEnergy < lowEnergyLimit) { return cros 125 if(kinEnergy < lowEnergyLimit) { return cross; }
126 if(nullptr == CurrentCouple()) { 126 if(nullptr == CurrentCouple()) {
127 G4Exception("G4WentzelVIRelModel::ComputeC 127 G4Exception("G4WentzelVIRelModel::ComputeCrossSectionPerAtom", "em0011",
128 FatalException, " G4MaterialCu 128 FatalException, " G4MaterialCutsCouple is not defined");
129 return cross; 129 return cross;
130 } 130 }
131 DefineMaterial(CurrentCouple()); 131 DefineMaterial(CurrentCouple());
132 G4int iz = G4lrint(Z); 132 G4int iz = G4lrint(Z);
133 G4double tmass = (1 == iz) ? CLHEP::proton_m 133 G4double tmass = (1 == iz) ? CLHEP::proton_mass_c2
134 : fNistManager->GetAtomicMassAmu(iz)*amu_c 134 : fNistManager->GetAtomicMassAmu(iz)*amu_c2;
135 wokvi->SetTargetMass(tmass); 135 wokvi->SetTargetMass(tmass);
136 cosTetMaxNuc = wokvi->SetupKinematic(kinEner 136 cosTetMaxNuc = wokvi->SetupKinematic(kinEnergy, currentMaterial);
137 if(cosTetMaxNuc < 1.0) { 137 if(cosTetMaxNuc < 1.0) {
138 G4double cost = wokvi->SetupTarget(iz, cut 138 G4double cost = wokvi->SetupTarget(iz, cutEnergy);
139 cross = wokvi->ComputeTransportCrossSectio 139 cross = wokvi->ComputeTransportCrossSectionPerAtom(cost);
140 /* 140 /*
141 //if(p->GetParticleName() == "e-") 141 //if(p->GetParticleName() == "e-")
142 G4cout << "G4WentzelVIRelModel::CS: Z= " < 142 G4cout << "G4WentzelVIRelModel::CS: Z= " << G4int(Z)
143 << " e(MeV)= " << kinEnergy 143 << " e(MeV)= " << kinEnergy
144 << " 1-cosN= " << 1 - cosTetMaxNuc 144 << " 1-cosN= " << 1 - cosTetMaxNuc << " cross(bn)= " << cross/barn
145 << " " << particle->GetParticleName 145 << " " << particle->GetParticleName() << G4endl;
146 */ 146 */
147 } 147 }
148 return cross; 148 return cross;
149 } 149 }
150 150
151 //....oooOO0OOooo........oooOO0OOooo........oo 151 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
152 152
153 void G4WentzelVIRelModel::ComputeEffectiveMass 153 void G4WentzelVIRelModel::ComputeEffectiveMass()
154 { 154 {
155 const G4ProductionCutsTable* theCoupleTable 155 const G4ProductionCutsTable* theCoupleTable =
156 G4ProductionCutsTable::GetProductionCutsTa 156 G4ProductionCutsTable::GetProductionCutsTable();
157 std::size_t ncouples = (G4int)theCoupleTable 157 std::size_t ncouples = (G4int)theCoupleTable->GetTableSize();
158 if(ncouples == effMass.size()) { return; } 158 if(ncouples == effMass.size()) { return; }
159 159
160 G4AutoLock l(&theWVIRelMutex); 160 G4AutoLock l(&theWVIRelMutex);
161 if(ncouples != effMass.size()) { 161 if(ncouples != effMass.size()) {
162 effMass.resize(ncouples, 0.0); 162 effMass.resize(ncouples, 0.0);
163 for(std::size_t i=0; i<ncouples; ++i) { 163 for(std::size_t i=0; i<ncouples; ++i) {
164 const G4Material* mat = 164 const G4Material* mat =
165 theCoupleTable->GetMaterialCutsCouple((G4int 165 theCoupleTable->GetMaterialCutsCouple((G4int)i)->GetMaterial();
166 const G4ElementVector* elmVector = mat-> 166 const G4ElementVector* elmVector = mat->GetElementVector();
167 std::size_t nelm = mat->GetNumberOfEleme 167 std::size_t nelm = mat->GetNumberOfElements();
168 G4double sum = 0.0; 168 G4double sum = 0.0;
169 G4double norm= 0.0; 169 G4double norm= 0.0;
170 for(std::size_t j=0; j<nelm; ++j) { 170 for(std::size_t j=0; j<nelm; ++j) {
171 G4int Z = (*elmVector)[j]->GetZasInt(); 171 G4int Z = (*elmVector)[j]->GetZasInt();
172 G4double mass = fNistManager->GetAtomicMassA 172 G4double mass = fNistManager->GetAtomicMassAmu(Z)*CLHEP::amu_c2;
173 G4int Z2 = Z*Z; 173 G4int Z2 = Z*Z;
174 sum += mass*Z2; 174 sum += mass*Z2;
175 norm += Z2; 175 norm += Z2;
176 } 176 }
177 effMass[i] = (0.0 < norm) ? sum/norm : s << 177 effMass[i] = sum/norm;
178 } 178 }
179 } 179 }
180 l.unlock(); 180 l.unlock();
181 } 181 }
182 182
183 //....oooOO0OOooo........oooOO0OOooo........oo 183 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
184 184