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26 // 26 //
27 // ------------------------------------------- 27 // -------------------------------------------------------------------
28 // 28 //
29 // GEANT4 Class header file 29 // GEANT4 Class header file
30 // 30 //
31 // 31 //
32 // File name: G4eCoulombScatteringModel 32 // File name: G4eCoulombScatteringModel
33 // 33 //
34 // Author: Vladimir Ivanchenko 34 // Author: Vladimir Ivanchenko
35 // 35 //
36 // Creation date: 19.02.2006 36 // Creation date: 19.02.2006
37 // 37 //
38 // Modifications: 38 // Modifications:
39 // 01.08.06 V.Ivanchenko extend upper limit of 39 // 01.08.06 V.Ivanchenko extend upper limit of table to TeV and review the
40 // logic of building - only elements 40 // logic of building - only elements from G4ElementTable
41 // 08.08.06 V.Ivanchenko build internal table 41 // 08.08.06 V.Ivanchenko build internal table in ekin scale, introduce faclim
42 // 19.08.06 V.Ivanchenko add inline function S 42 // 19.08.06 V.Ivanchenko add inline function ScreeningParameter and
43 // make some members pro 43 // make some members protected
44 // 09.10.07 V.Ivanchenko reorganized methods, 44 // 09.10.07 V.Ivanchenko reorganized methods, add cut dependence in scattering off e-
45 // 09.06.08 V.Ivanchenko add SelectIsotope and 45 // 09.06.08 V.Ivanchenko add SelectIsotope and sampling of the recoil ion
46 // 17.06.09 C.Consoalndi modified SetupTarget 46 // 17.06.09 C.Consoalndi modified SetupTarget method - remove kinFactor
47 // 27.05.10 V.Ivanchenko added G4WentzelOKandV 47 // 27.05.10 V.Ivanchenko added G4WentzelOKandVIxSection class to
48 // compute cross sections and sam 48 // compute cross sections and sample scattering angle
49 // 49 //
50 // 50 //
51 // Class Description: 51 // Class Description:
52 // 52 //
53 // Implementation of eCoulombScattering of a c 53 // Implementation of eCoulombScattering of a charge particle
54 // on Atomic Nucleus for interval of scatterin 54 // on Atomic Nucleus for interval of scattering anles in Lab system
55 // thetaMin - ThetaMax. 55 // thetaMin - ThetaMax.
56 // The model based on analysis of J.M.Fernan 56 // The model based on analysis of J.M.Fernandez-Varea et al.
57 // NIM B73(1993)447 originated from G.Wentzel 57 // NIM B73(1993)447 originated from G.Wentzel Z.Phys. 40(1927)590 with
58 // screening parameter from H.A.Bethe Phys. Re 58 // screening parameter from H.A.Bethe Phys. Rev. 89 (1953) 1256.
59 // 59 //
60 60
61 // ------------------------------------------- 61 // -------------------------------------------------------------------
62 // 62 //
63 63
64 #ifndef G4eCoulombScatteringModel_h 64 #ifndef G4eCoulombScatteringModel_h
65 #define G4eCoulombScatteringModel_h 1 65 #define G4eCoulombScatteringModel_h 1
66 66
67 #include "G4VEmModel.hh" 67 #include "G4VEmModel.hh"
68 #include "globals.hh" 68 #include "globals.hh"
69 #include "G4MaterialCutsCouple.hh" 69 #include "G4MaterialCutsCouple.hh"
70 #include "G4WentzelOKandVIxSection.hh" 70 #include "G4WentzelOKandVIxSection.hh"
71 71
72 class G4ParticleChangeForGamma; 72 class G4ParticleChangeForGamma;
73 class G4ParticleDefinition; 73 class G4ParticleDefinition;
74 class G4IonTable; 74 class G4IonTable;
75 class G4NistManager; 75 class G4NistManager;
76 76
77 class G4eCoulombScatteringModel : public G4VEm 77 class G4eCoulombScatteringModel : public G4VEmModel
78 { 78 {
79 79
80 public: 80 public:
81 81
82 explicit G4eCoulombScatteringModel(G4bool co 82 explicit G4eCoulombScatteringModel(G4bool combined = true);
83 83
84 ~G4eCoulombScatteringModel() override; 84 ~G4eCoulombScatteringModel() override;
85 85
86 void Initialise(const G4ParticleDefinition*, 86 void Initialise(const G4ParticleDefinition*, const G4DataVector&) override;
87 87
88 void InitialiseLocal(const G4ParticleDefinit 88 void InitialiseLocal(const G4ParticleDefinition*,
89 G4VEmModel* masterModel 89 G4VEmModel* masterModel) override;
90 90
91 G4double ComputeCrossSectionPerAtom( 91 G4double ComputeCrossSectionPerAtom(
92 const G4Partic 92 const G4ParticleDefinition*,
93 G4double kinEnergy, 93 G4double kinEnergy,
94 G4double Z, 94 G4double Z,
95 G4double A, 95 G4double A,
96 G4double cut, 96 G4double cut,
97 G4double emax) override; 97 G4double emax) override;
98 98
99 void SampleSecondaries(std::vector<G4Dynamic 99 void SampleSecondaries(std::vector<G4DynamicParticle*>*,
100 const G4MaterialCutsCouple*, 100 const G4MaterialCutsCouple*,
101 const G4DynamicParticle*, 101 const G4DynamicParticle*,
102 G4double tmin, 102 G4double tmin,
103 G4double maxEnergy) override; 103 G4double maxEnergy) override;
104 104
105 G4double MinPrimaryEnergy(const G4Material*, 105 G4double MinPrimaryEnergy(const G4Material*, const G4ParticleDefinition*,
106 G4double) final; 106 G4double) final;
107 107
108 // defines low energy limit of the model 108 // defines low energy limit of the model
109 inline void SetLowEnergyThreshold(G4double v 109 inline void SetLowEnergyThreshold(G4double val);
110 110
111 // user definition of low-energy threshold o 111 // user definition of low-energy threshold of recoil
112 inline void SetRecoilThreshold(G4double eth) 112 inline void SetRecoilThreshold(G4double eth);
113 113
114 // defines low energy limit on energy transf 114 // defines low energy limit on energy transfer to atomic electron
115 inline void SetFixedCut(G4double); 115 inline void SetFixedCut(G4double);
116 116
117 // low energy limit on energy transfer to at 117 // low energy limit on energy transfer to atomic electron
118 inline G4double GetFixedCut() const; 118 inline G4double GetFixedCut() const;
119 119
120 // hide assignment operator 120 // hide assignment operator
121 G4eCoulombScatteringModel & operator= 121 G4eCoulombScatteringModel & operator=
122 (const G4eCoulombScatteringModel &right) = d 122 (const G4eCoulombScatteringModel &right) = delete;
123 G4eCoulombScatteringModel(const G4eCoulombS 123 G4eCoulombScatteringModel(const G4eCoulombScatteringModel&) = delete;
124 124
125 protected: 125 protected:
126 126
127 inline void DefineMaterial(const G4MaterialC 127 inline void DefineMaterial(const G4MaterialCutsCouple*);
128 128
129 inline void SetupParticle(const G4ParticleDe 129 inline void SetupParticle(const G4ParticleDefinition*);
130 130
131 private: 131 private:
132 132
133 G4IonTable* theIonTable; << 133 G4IonTable* theIonTable;
134 G4ParticleChangeForGamma* fParticleChange = << 134 G4ParticleChangeForGamma* fParticleChange;
135 G4WentzelOKandVIxSection* wokvi; 135 G4WentzelOKandVIxSection* wokvi;
136 G4NistManager* fNistManager; << 136 G4NistManager* fNistManager;
137 137
138 const std::vector<G4double>* pCuts = nullptr << 138 const std::vector<G4double>* pCuts;
139 139
140 const G4ParticleDefinition* particle = nullp << 140 const G4ParticleDefinition* particle;
141 const G4ParticleDefinition* theProton; 141 const G4ParticleDefinition* theProton;
142 142
143 const G4MaterialCutsCouple* currentCouple = << 143 const G4MaterialCutsCouple* currentCouple;
144 const G4Material* currentMaterial = nullptr; << 144 const G4Material* currentMaterial;
145 G4int currentMaterialIndex = 0; << 145 G4int currentMaterialIndex;
146 146
147 G4double cosThetaMin = 1.0; << 147 G4double cosThetaMin;
148 G4double cosThetaMax = -1.0; << 148 G4double cosThetaMax;
149 G4double recoilThreshold = 0.0; << 149 G4double recoilThreshold;
150 G4double elecRatio = 0.0; << 150 G4double elecRatio;
151 G4double fixedCut = -1.0; << 151 G4double mass;
152 G4double mass; << 152 G4double fixedCut;
153 153
154 G4bool isCombined; << 154 G4bool isCombined;
155 }; 155 };
156 156
157 //....oooOO0OOooo........oooOO0OOooo........oo 157 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
158 158
159 inline 159 inline
160 void G4eCoulombScatteringModel::DefineMaterial 160 void G4eCoulombScatteringModel::DefineMaterial(const G4MaterialCutsCouple* cup)
161 { 161 {
162 if(cup != currentCouple) { 162 if(cup != currentCouple) {
163 currentCouple = cup; 163 currentCouple = cup;
164 currentMaterial = cup->GetMaterial(); 164 currentMaterial = cup->GetMaterial();
165 currentMaterialIndex = currentCouple->GetI 165 currentMaterialIndex = currentCouple->GetIndex();
166 } 166 }
167 } 167 }
168 168
169 //....oooOO0OOooo........oooOO0OOooo........oo 169 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
170 170
171 inline 171 inline
172 void G4eCoulombScatteringModel::SetupParticle( 172 void G4eCoulombScatteringModel::SetupParticle(const G4ParticleDefinition* p)
173 { 173 {
174 // Initialise mass and charge 174 // Initialise mass and charge
175 if(p != particle) { 175 if(p != particle) {
176 particle = p; 176 particle = p;
177 mass = particle->GetPDGMass(); 177 mass = particle->GetPDGMass();
178 wokvi->SetupParticle(p); 178 wokvi->SetupParticle(p);
179 } 179 }
180 } 180 }
181 181
182 //....oooOO0OOooo........oooOO0OOooo........oo 182 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
183 183
184 inline void G4eCoulombScatteringModel::SetReco 184 inline void G4eCoulombScatteringModel::SetRecoilThreshold(G4double eth)
185 { 185 {
186 recoilThreshold = eth; 186 recoilThreshold = eth;
187 } 187 }
188 188
189 //....oooOO0OOooo........oooOO0OOooo........oo 189 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
190 190
191 inline void G4eCoulombScatteringModel::SetFixe 191 inline void G4eCoulombScatteringModel::SetFixedCut(G4double val)
192 { 192 {
193 fixedCut = val; 193 fixedCut = val;
194 } 194 }
195 195
196 //....oooOO0OOooo........oooOO0OOooo........oo 196 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
197 197
198 inline G4double G4eCoulombScatteringModel::Get 198 inline G4double G4eCoulombScatteringModel::GetFixedCut() const
199 { 199 {
200 return fixedCut; 200 return fixedCut;
201 } 201 }
202 202
203 //....oooOO0OOooo........oooOO0OOooo........oo 203 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
204 204
205 #endif 205 #endif
206 206