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25 // 25 //
26 // 26 //
27 // ------------------------------------------- 27 // -------------------------------------------------------------------
28 // 28 //
29 // GEANT4 Class header file 29 // GEANT4 Class header file
30 // 30 //
31 // 31 //
32 // File name: G4PAIModel 32 // File name: G4PAIModel
33 // 33 //
34 // Author: V. Grichine based on Vladimi 34 // Author: V. Grichine based on Vladimir Ivanchenko code
35 // 35 //
36 // Creation date: 05.10.2003 36 // Creation date: 05.10.2003
37 // 37 //
38 // Modifications: 38 // Modifications:
39 // 08-04-05 Major optimisation of internal int 39 // 08-04-05 Major optimisation of internal interfaces (V.Ivantchenko)
40 // 26-09-07 Fixed tmax computation (V.Ivantche 40 // 26-09-07 Fixed tmax computation (V.Ivantchenko)
41 // 19.08.13 V.Ivanchenko extract data handling 41 // 19.08.13 V.Ivanchenko extract data handling to G4PAIModelData class
42 // added sharing of internal data bet 42 // added sharing of internal data between threads (MT migration)
43 // 43 //
44 // 44 //
45 // Class Description: 45 // Class Description:
46 // 46 //
47 // Implementation of PAI model of energy loss 47 // Implementation of PAI model of energy loss and
48 // delta-electron production by heavy charged 48 // delta-electron production by heavy charged particles
49 49
50 // ------------------------------------------- 50 // -------------------------------------------------------------------
51 // 51 //
52 52
53 #ifndef G4PAIModel_h 53 #ifndef G4PAIModel_h
54 #define G4PAIModel_h 1 54 #define G4PAIModel_h 1
55 55
56 #include <CLHEP/Units/PhysicalConstants.h> 56 #include <CLHEP/Units/PhysicalConstants.h>
57 57
58 #include "G4VEmModel.hh" 58 #include "G4VEmModel.hh"
59 #include "G4VEmFluctuationModel.hh" 59 #include "G4VEmFluctuationModel.hh"
60 #include "globals.hh" 60 #include "globals.hh"
61 #include <vector> 61 #include <vector>
62 62
63 class G4Region; 63 class G4Region;
64 class G4MaterialCutsCouple; 64 class G4MaterialCutsCouple;
65 class G4ParticleChangeForLoss; 65 class G4ParticleChangeForLoss;
66 class G4PAIModelData; 66 class G4PAIModelData;
67 67
68 class G4PAIModel final : public G4VEmModel, pu 68 class G4PAIModel final : public G4VEmModel, public G4VEmFluctuationModel
69 { 69 {
70 70
71 public: 71 public:
72 72
73 explicit G4PAIModel(const G4ParticleDefiniti 73 explicit G4PAIModel(const G4ParticleDefinition* p = nullptr,
74 const G4String& nam = "PAI"); 74 const G4String& nam = "PAI");
75 75
76 ~G4PAIModel() final; 76 ~G4PAIModel() final;
77 77
78 void Initialise(const G4ParticleDefinition*, 78 void Initialise(const G4ParticleDefinition*, const G4DataVector&) final;
79 79
80 void InitialiseLocal(const G4ParticleDefinit 80 void InitialiseLocal(const G4ParticleDefinition*,
81 G4VEmModel* masterModel 81 G4VEmModel* masterModel) final;
82 82
83 G4double MinEnergyCut(const G4ParticleDefini 83 G4double MinEnergyCut(const G4ParticleDefinition*,
84 const G4MaterialCutsCo 84 const G4MaterialCutsCouple* couple) final;
85 85
86 G4double ComputeDEDXPerVolume(const G4Materi 86 G4double ComputeDEDXPerVolume(const G4Material*,
87 const G4ParticleDefinition*, 87 const G4ParticleDefinition*,
88 G4double kineticEnergy, 88 G4double kineticEnergy,
89 G4double cutEnergy) final; 89 G4double cutEnergy) final;
90 90
91 G4double CrossSectionPerVolume(const G4Mater 91 G4double CrossSectionPerVolume(const G4Material*,
92 const G4ParticleDefinition*, 92 const G4ParticleDefinition*,
93 G4double kineticEnergy, 93 G4double kineticEnergy,
94 G4double cutEnergy, 94 G4double cutEnergy,
95 G4double maxEnergy) final; 95 G4double maxEnergy) final;
96 96
97 void SampleSecondaries(std::vector<G4Dynamic 97 void SampleSecondaries(std::vector<G4DynamicParticle*>*,
98 const G4MaterialCutsCouple*, 98 const G4MaterialCutsCouple*,
99 const G4DynamicParticle*, 99 const G4DynamicParticle*,
100 G4double tmin, 100 G4double tmin,
101 G4double maxEnergy) final; 101 G4double maxEnergy) final;
102 102
103 G4double SampleFluctuations(const G4Material 103 G4double SampleFluctuations(const G4MaterialCutsCouple*,
104 const G4DynamicParticle*, 104 const G4DynamicParticle*,
105 const G4double, const G4double, 105 const G4double, const G4double,
106 const G4double, 106 const G4double, const G4double) final;
107 107
108 G4double Dispersion(const G4Material*, const 108 G4double Dispersion(const G4Material*, const G4DynamicParticle*,
109 const G4double, const G4double, 109 const G4double, const G4double,
110 const G4double) final; 110 const G4double) final;
111 111
112 void DefineForRegion(const G4Region* r) fina 112 void DefineForRegion(const G4Region* r) final;
113 113
114 inline G4PAIModelData* GetPAIModelData(); 114 inline G4PAIModelData* GetPAIModelData();
115 115
116 inline const std::vector<const G4MaterialCut 116 inline const std::vector<const G4MaterialCutsCouple*>& GetVectorOfCouples();
117 117
118 inline G4double ComputeMaxEnergy(G4double sc 118 inline G4double ComputeMaxEnergy(G4double scaledEnergy);
119 119
120 inline void SetVerboseLevel(G4int verbose); 120 inline void SetVerboseLevel(G4int verbose);
121 121
122 // hide assignment operator 122 // hide assignment operator
123 G4PAIModel & operator=(const G4PAIModel &ri 123 G4PAIModel & operator=(const G4PAIModel &right) = delete;
124 G4PAIModel(const G4PAIModel&) = delete; 124 G4PAIModel(const G4PAIModel&) = delete;
125 125
126 protected: 126 protected:
127 127
128 G4double MaxSecondaryEnergy(const G4Particle 128 G4double MaxSecondaryEnergy(const G4ParticleDefinition*,
129 G4double kinEner 129 G4double kinEnergy) final;
130 130
131 private: 131 private:
132 132
133 inline G4int FindCoupleIndex(const G4Materia 133 inline G4int FindCoupleIndex(const G4MaterialCutsCouple*);
134 134
135 inline void SetParticle(const G4ParticleDefi 135 inline void SetParticle(const G4ParticleDefinition* p);
136 136
137 G4int fVerbose; 137 G4int fVerbose;
138 138
139 G4PAIModelData* fModelData; 139 G4PAIModelData* fModelData;
140 140
141 std::vector<const G4MaterialCutsCouple*> fMa 141 std::vector<const G4MaterialCutsCouple*> fMaterialCutsCoupleVector;
142 std::vector<const G4Region*> fPAIRegion 142 std::vector<const G4Region*> fPAIRegionVector;
143 143
144 const G4ParticleDefinition* fParticle; 144 const G4ParticleDefinition* fParticle;
145 const G4ParticleDefinition* fElectron; 145 const G4ParticleDefinition* fElectron;
146 const G4ParticleDefinition* fPositron; 146 const G4ParticleDefinition* fPositron;
147 G4ParticleChangeForLoss* fParticleChange; 147 G4ParticleChangeForLoss* fParticleChange;
148 148
149 G4double fMass; 149 G4double fMass;
150 G4double fRatio; 150 G4double fRatio;
151 G4double fChargeSquare; 151 G4double fChargeSquare;
152 G4double fLowestTcut; 152 G4double fLowestTcut;
153 }; 153 };
154 154
155 inline G4PAIModelData* G4PAIModel::GetPAIModel 155 inline G4PAIModelData* G4PAIModel::GetPAIModelData()
156 { 156 {
157 return fModelData; 157 return fModelData;
158 } 158 }
159 159
160 inline const std::vector<const G4MaterialCutsC 160 inline const std::vector<const G4MaterialCutsCouple*>&
161 G4PAIModel::GetVectorOfCouples() 161 G4PAIModel::GetVectorOfCouples()
162 { 162 {
163 return fMaterialCutsCoupleVector; 163 return fMaterialCutsCoupleVector;
164 } 164 }
165 165
166 inline G4double G4PAIModel::ComputeMaxEnergy(G 166 inline G4double G4PAIModel::ComputeMaxEnergy(G4double scaledEnergy)
167 { 167 {
168 return MaxSecondaryEnergy(fParticle, scaledE 168 return MaxSecondaryEnergy(fParticle, scaledEnergy/fRatio);
169 } 169 }
170 170
171 inline void G4PAIModel::SetVerboseLevel(G4int 171 inline void G4PAIModel::SetVerboseLevel(G4int verbose)
172 { 172 {
173 fVerbose=verbose; 173 fVerbose=verbose;
174 } 174 }
175 175
176 inline G4int G4PAIModel::FindCoupleIndex(const 176 inline G4int G4PAIModel::FindCoupleIndex(const G4MaterialCutsCouple* couple)
177 { 177 {
178 G4int idx = -1; 178 G4int idx = -1;
179 G4int jMatMax = (G4int)fMaterialCutsCoupleVe 179 G4int jMatMax = (G4int)fMaterialCutsCoupleVector.size();
180 for(G4int jMat = 0;jMat < jMatMax; ++jMat) { 180 for(G4int jMat = 0;jMat < jMatMax; ++jMat) {
181 if(couple == fMaterialCutsCoupleVector[jMa 181 if(couple == fMaterialCutsCoupleVector[jMat]) {
182 idx = jMat; 182 idx = jMat;
183 break; 183 break;
184 } 184 }
185 } 185 }
186 return idx; 186 return idx;
187 } 187 }
188 188
189 inline void G4PAIModel::SetParticle(const G4Pa 189 inline void G4PAIModel::SetParticle(const G4ParticleDefinition* p)
190 { 190 {
191 if(fParticle != p) { 191 if(fParticle != p) {
192 fParticle = p; 192 fParticle = p;
193 fMass = fParticle->GetPDGMass(); 193 fMass = fParticle->GetPDGMass();
194 fRatio = CLHEP::proton_mass_c2/fMass; 194 fRatio = CLHEP::proton_mass_c2/fMass;
195 G4double q = fParticle->GetPDGCharge()/CLH 195 G4double q = fParticle->GetPDGCharge()/CLHEP::eplus;
196 fChargeSquare = q*q; 196 fChargeSquare = q*q;
197 } 197 }
198 } 198 }
199 199
200 #endif 200 #endif
201 201