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>> 26 // $Id: G4eCoulombScatteringModel.hh 75582 2013-11-04 12:13:01Z gcosmo $
26 // 27 //
27 // ------------------------------------------- 28 // -------------------------------------------------------------------
28 // 29 //
29 // GEANT4 Class header file 30 // GEANT4 Class header file
30 // 31 //
31 // 32 //
32 // File name: G4eCoulombScatteringModel 33 // File name: G4eCoulombScatteringModel
33 // 34 //
34 // Author: Vladimir Ivanchenko 35 // Author: Vladimir Ivanchenko
35 // 36 //
36 // Creation date: 19.02.2006 37 // Creation date: 19.02.2006
37 // 38 //
38 // Modifications: 39 // Modifications:
39 // 01.08.06 V.Ivanchenko extend upper limit of 40 // 01.08.06 V.Ivanchenko extend upper limit of table to TeV and review the
40 // logic of building - only elements 41 // logic of building - only elements from G4ElementTable
41 // 08.08.06 V.Ivanchenko build internal table 42 // 08.08.06 V.Ivanchenko build internal table in ekin scale, introduce faclim
42 // 19.08.06 V.Ivanchenko add inline function S 43 // 19.08.06 V.Ivanchenko add inline function ScreeningParameter and
43 // make some members pro 44 // make some members protected
44 // 09.10.07 V.Ivanchenko reorganized methods, 45 // 09.10.07 V.Ivanchenko reorganized methods, add cut dependence in scattering off e-
45 // 09.06.08 V.Ivanchenko add SelectIsotope and 46 // 09.06.08 V.Ivanchenko add SelectIsotope and sampling of the recoil ion
46 // 17.06.09 C.Consoalndi modified SetupTarget 47 // 17.06.09 C.Consoalndi modified SetupTarget method - remove kinFactor
47 // 27.05.10 V.Ivanchenko added G4WentzelOKandV 48 // 27.05.10 V.Ivanchenko added G4WentzelOKandVIxSection class to
48 // compute cross sections and sam 49 // compute cross sections and sample scattering angle
49 // 50 //
50 // 51 //
51 // Class Description: 52 // Class Description:
52 // 53 //
53 // Implementation of eCoulombScattering of a c << 54 // Implementation of eCoulombScattering of pointlike charge particle
54 // on Atomic Nucleus for interval of scatterin 55 // on Atomic Nucleus for interval of scattering anles in Lab system
55 // thetaMin - ThetaMax. << 56 // thetaMin - ThetaMax, nucleus recoil is neglected.
56 // The model based on analysis of J.M.Fernan 57 // The model based on analysis of J.M.Fernandez-Varea et al.
57 // NIM B73(1993)447 originated from G.Wentzel 58 // NIM B73(1993)447 originated from G.Wentzel Z.Phys. 40(1927)590 with
58 // screening parameter from H.A.Bethe Phys. Re 59 // screening parameter from H.A.Bethe Phys. Rev. 89 (1953) 1256.
59 // 60 //
60 61
61 // ------------------------------------------- 62 // -------------------------------------------------------------------
62 // 63 //
63 64
64 #ifndef G4eCoulombScatteringModel_h 65 #ifndef G4eCoulombScatteringModel_h
65 #define G4eCoulombScatteringModel_h 1 66 #define G4eCoulombScatteringModel_h 1
66 67
67 #include "G4VEmModel.hh" 68 #include "G4VEmModel.hh"
68 #include "globals.hh" 69 #include "globals.hh"
69 #include "G4MaterialCutsCouple.hh" 70 #include "G4MaterialCutsCouple.hh"
70 #include "G4WentzelOKandVIxSection.hh" 71 #include "G4WentzelOKandVIxSection.hh"
71 72
72 class G4ParticleChangeForGamma; 73 class G4ParticleChangeForGamma;
73 class G4ParticleDefinition; 74 class G4ParticleDefinition;
74 class G4IonTable; 75 class G4IonTable;
75 class G4NistManager; 76 class G4NistManager;
76 77
77 class G4eCoulombScatteringModel : public G4VEm 78 class G4eCoulombScatteringModel : public G4VEmModel
78 { 79 {
79 80
80 public: 81 public:
81 82
82 explicit G4eCoulombScatteringModel(G4bool co << 83 G4eCoulombScatteringModel(const G4String& nam = "eCoulombScattering");
83 84
84 ~G4eCoulombScatteringModel() override; << 85 virtual ~G4eCoulombScatteringModel();
85 86
86 void Initialise(const G4ParticleDefinition*, << 87 virtual void Initialise(const G4ParticleDefinition*, const G4DataVector&);
87 88
88 void InitialiseLocal(const G4ParticleDefinit << 89 virtual void InitialiseLocal(const G4ParticleDefinition*,
89 G4VEmModel* masterModel << 90 G4VEmModel* masterModel);
90 91
91 G4double ComputeCrossSectionPerAtom( << 92 virtual G4double ComputeCrossSectionPerAtom(
92 const G4Partic 93 const G4ParticleDefinition*,
93 G4double kinEnergy, 94 G4double kinEnergy,
94 G4double Z, 95 G4double Z,
95 G4double A, 96 G4double A,
96 G4double cut, 97 G4double cut,
97 G4double emax) override; << 98 G4double emax);
98 99
99 void SampleSecondaries(std::vector<G4Dynamic << 100 virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
100 const G4MaterialCutsCouple*, << 101 const G4MaterialCutsCouple*,
101 const G4DynamicParticle*, << 102 const G4DynamicParticle*,
102 G4double tmin, << 103 G4double tmin,
103 G4double maxEnergy) override; << 104 G4double maxEnergy);
104 << 105
105 G4double MinPrimaryEnergy(const G4Material*, << 106 virtual G4double MinPrimaryEnergy(const G4Material*,
106 G4double) final; << 107 const G4ParticleDefinition*,
>> 108 G4double);
107 109
108 // defines low energy limit of the model 110 // defines low energy limit of the model
109 inline void SetLowEnergyThreshold(G4double v 111 inline void SetLowEnergyThreshold(G4double val);
110 112
111 // user definition of low-energy threshold o 113 // user definition of low-energy threshold of recoil
112 inline void SetRecoilThreshold(G4double eth) 114 inline void SetRecoilThreshold(G4double eth);
113 115
114 // defines low energy limit on energy transf 116 // defines low energy limit on energy transfer to atomic electron
115 inline void SetFixedCut(G4double); 117 inline void SetFixedCut(G4double);
116 118
117 // low energy limit on energy transfer to at 119 // low energy limit on energy transfer to atomic electron
118 inline G4double GetFixedCut() const; 120 inline G4double GetFixedCut() const;
119 121
120 // hide assignment operator <<
121 G4eCoulombScatteringModel & operator= <<
122 (const G4eCoulombScatteringModel &right) = d <<
123 G4eCoulombScatteringModel(const G4eCoulombS <<
124 <<
125 protected: 122 protected:
126 123
127 inline void DefineMaterial(const G4MaterialC 124 inline void DefineMaterial(const G4MaterialCutsCouple*);
128 125
129 inline void SetupParticle(const G4ParticleDe 126 inline void SetupParticle(const G4ParticleDefinition*);
130 127
131 private: 128 private:
132 129
133 G4IonTable* theIonTable; << 130 // hide assignment operator
134 G4ParticleChangeForGamma* fParticleChange = << 131 G4eCoulombScatteringModel & operator=(const G4eCoulombScatteringModel &right);
>> 132 G4eCoulombScatteringModel(const G4eCoulombScatteringModel&);
>> 133
>> 134 protected:
>> 135
>> 136 G4IonTable* theIonTable;
>> 137 G4ParticleChangeForGamma* fParticleChange;
135 G4WentzelOKandVIxSection* wokvi; 138 G4WentzelOKandVIxSection* wokvi;
136 G4NistManager* fNistManager; << 139 G4NistManager* fNistManager;
>> 140
>> 141 const std::vector<G4double>* pCuts;
137 142
138 const std::vector<G4double>* pCuts = nullptr << 143 const G4MaterialCutsCouple* currentCouple;
>> 144 const G4Material* currentMaterial;
>> 145 G4int currentMaterialIndex;
>> 146
>> 147 G4double cosThetaMin;
>> 148 G4double cosThetaMax;
>> 149 G4double cosTetMinNuc;
>> 150 G4double cosTetMaxNuc;
>> 151 G4double recoilThreshold;
>> 152 G4double elecRatio;
>> 153 G4double mass;
139 154
140 const G4ParticleDefinition* particle = nullp << 155 G4double fixedCut;
>> 156
>> 157 // projectile
>> 158 const G4ParticleDefinition* particle;
141 const G4ParticleDefinition* theProton; 159 const G4ParticleDefinition* theProton;
142 160
143 const G4MaterialCutsCouple* currentCouple = << 161 G4double lowEnergyThreshold;
144 const G4Material* currentMaterial = nullptr; << 162
145 G4int currentMaterialIndex = 0; << 163 private:
146 <<
147 G4double cosThetaMin = 1.0; <<
148 G4double cosThetaMax = -1.0; <<
149 G4double recoilThreshold = 0.0; <<
150 G4double elecRatio = 0.0; <<
151 G4double fixedCut = -1.0; <<
152 G4double mass; <<
153 164
154 G4bool isCombined; << 165 G4bool isInitialised;
155 }; 166 };
156 167
157 //....oooOO0OOooo........oooOO0OOooo........oo 168 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
158 169
159 inline 170 inline
160 void G4eCoulombScatteringModel::DefineMaterial 171 void G4eCoulombScatteringModel::DefineMaterial(const G4MaterialCutsCouple* cup)
161 { 172 {
162 if(cup != currentCouple) { 173 if(cup != currentCouple) {
163 currentCouple = cup; 174 currentCouple = cup;
164 currentMaterial = cup->GetMaterial(); 175 currentMaterial = cup->GetMaterial();
165 currentMaterialIndex = currentCouple->GetI 176 currentMaterialIndex = currentCouple->GetIndex();
166 } 177 }
167 } 178 }
168 179
169 //....oooOO0OOooo........oooOO0OOooo........oo 180 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
170 181
171 inline 182 inline
172 void G4eCoulombScatteringModel::SetupParticle( 183 void G4eCoulombScatteringModel::SetupParticle(const G4ParticleDefinition* p)
173 { 184 {
174 // Initialise mass and charge 185 // Initialise mass and charge
175 if(p != particle) { 186 if(p != particle) {
176 particle = p; 187 particle = p;
177 mass = particle->GetPDGMass(); 188 mass = particle->GetPDGMass();
178 wokvi->SetupParticle(p); 189 wokvi->SetupParticle(p);
179 } 190 }
>> 191 }
>> 192
>> 193 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 194
>> 195 inline void G4eCoulombScatteringModel::SetLowEnergyThreshold(G4double val)
>> 196 {
>> 197 lowEnergyThreshold = val;
180 } 198 }
181 199
182 //....oooOO0OOooo........oooOO0OOooo........oo 200 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
183 201
184 inline void G4eCoulombScatteringModel::SetReco 202 inline void G4eCoulombScatteringModel::SetRecoilThreshold(G4double eth)
185 { 203 {
186 recoilThreshold = eth; 204 recoilThreshold = eth;
187 } 205 }
188 206
189 //....oooOO0OOooo........oooOO0OOooo........oo 207 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
190 208
191 inline void G4eCoulombScatteringModel::SetFixe 209 inline void G4eCoulombScatteringModel::SetFixedCut(G4double val)
192 { 210 {
193 fixedCut = val; 211 fixedCut = val;
194 } 212 }
195 213
196 //....oooOO0OOooo........oooOO0OOooo........oo 214 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
197 215
198 inline G4double G4eCoulombScatteringModel::Get 216 inline G4double G4eCoulombScatteringModel::GetFixedCut() const
199 { 217 {
200 return fixedCut; 218 return fixedCut;
201 } 219 }
202 220
203 //....oooOO0OOooo........oooOO0OOooo........oo 221 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
204 222
205 #endif 223 #endif
206 224