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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: G4BetheBlochModel 32 // File name: G4BetheBlochModel
33 // 33 //
34 // Author: Vladimir Ivanchenko on base 34 // Author: Vladimir Ivanchenko on base of Laszlo Urban code
35 // 35 //
36 // Creation date: 03.01.2002 36 // Creation date: 03.01.2002
37 // 37 //
38 // Modifications: 38 // Modifications:
39 // 39 //
40 // Modified by Michel Maire and Vladimir Ivanc 40 // Modified by Michel Maire and Vladimir Ivanchenko
41 // 41 //
42 // Class Description: 42 // Class Description:
43 // 43 //
44 // Implementation of Bethe-Bloch model of ener 44 // Implementation of Bethe-Bloch model of energy loss and
45 // delta-electron production by heavy charged 45 // delta-electron production by heavy charged particles
46 46
47 // ------------------------------------------- 47 // -------------------------------------------------------------------
48 // 48 //
49 49
50 #ifndef G4BetheBlochModel_h 50 #ifndef G4BetheBlochModel_h
51 #define G4BetheBlochModel_h 1 51 #define G4BetheBlochModel_h 1
52 52
53 #include "G4VEmModel.hh" 53 #include "G4VEmModel.hh"
54 54
55 class G4EmCorrections; 55 class G4EmCorrections;
56 class G4ParticleChangeForLoss; 56 class G4ParticleChangeForLoss;
57 class G4ICRU90StoppingData; 57 class G4ICRU90StoppingData;
58 class G4NistManager; 58 class G4NistManager;
59 59
60 class G4BetheBlochModel : public G4VEmModel 60 class G4BetheBlochModel : public G4VEmModel
61 { 61 {
62 62
63 public: 63 public:
64 64
65 explicit G4BetheBlochModel(const G4ParticleD 65 explicit G4BetheBlochModel(const G4ParticleDefinition* p = nullptr,
66 const G4String& nam = "BetheBloch") 66 const G4String& nam = "BetheBloch");
67 67
68 ~G4BetheBlochModel() override; 68 ~G4BetheBlochModel() override;
69 69
70 void Initialise(const G4ParticleDefinition*, 70 void Initialise(const G4ParticleDefinition*, const G4DataVector&) override;
71 71
72 G4double MinEnergyCut(const G4ParticleDefini 72 G4double MinEnergyCut(const G4ParticleDefinition*,
73 const G4MaterialCutsCouple* couple) over 73 const G4MaterialCutsCouple* couple) override;
74 74
75 virtual G4double ComputeCrossSectionPerElect 75 virtual G4double ComputeCrossSectionPerElectron(
76 const G4ParticleDefinition*, 76 const G4ParticleDefinition*,
77 G4double kineticEnergy, 77 G4double kineticEnergy,
78 G4double cutEnergy, 78 G4double cutEnergy,
79 G4double maxEnergy); 79 G4double maxEnergy);
80 80
81 G4double ComputeCrossSectionPerAtom( 81 G4double ComputeCrossSectionPerAtom(
82 const G4ParticleDefinition*, 82 const G4ParticleDefinition*,
83 G4double kineticEnergy, 83 G4double kineticEnergy,
84 G4double Z, G4double A, 84 G4double Z, G4double A,
85 G4double cutEnergy, 85 G4double cutEnergy,
86 G4double maxEnergy) override; 86 G4double maxEnergy) override;
87 87
88 G4double CrossSectionPerVolume(const G4Mater 88 G4double CrossSectionPerVolume(const G4Material*,
89 const G4ParticleDefinition*, 89 const G4ParticleDefinition*,
90 G4double kineticEnergy, 90 G4double kineticEnergy,
91 G4double cutEnergy, 91 G4double cutEnergy,
92 G4double maxEnergy) override; 92 G4double maxEnergy) override;
93 93
94 G4double ComputeDEDXPerVolume(const G4Materi 94 G4double ComputeDEDXPerVolume(const G4Material*,
95 const G4ParticleDefinition*, 95 const G4ParticleDefinition*,
96 G4double kineticEnergy, 96 G4double kineticEnergy,
97 G4double cutEnergy) override; 97 G4double cutEnergy) override;
98 98
99 G4double GetChargeSquareRatio(const G4Partic 99 G4double GetChargeSquareRatio(const G4ParticleDefinition* p,
100 const G4Material* mat, 100 const G4Material* mat,
101 G4double kineticEnergy) override; 101 G4double kineticEnergy) override;
102 102
103 G4double GetParticleCharge(const G4ParticleD 103 G4double GetParticleCharge(const G4ParticleDefinition* p,
104 const G4Material* mat, 104 const G4Material* mat,
105 G4double kineticEnergy) override; 105 G4double kineticEnergy) override;
106 106
107 void CorrectionsAlongStep(const G4MaterialCu 107 void CorrectionsAlongStep(const G4MaterialCutsCouple* couple,
108 const G4DynamicParticle* dp, 108 const G4DynamicParticle* dp,
109 const G4double& length, 109 const G4double& length,
110 G4double& eloss) override; 110 G4double& eloss) override;
111 111
112 void SampleSecondaries(std::vector<G4Dynamic 112 void SampleSecondaries(std::vector<G4DynamicParticle*>*,
113 const G4MaterialCutsCouple*, 113 const G4MaterialCutsCouple*,
114 const G4DynamicParticle*, 114 const G4DynamicParticle*,
115 G4double tmin, 115 G4double tmin,
116 G4double maxEnergy) override; 116 G4double maxEnergy) override;
117 117
118 // hide assignment operator 118 // hide assignment operator
119 G4BetheBlochModel & operator=(const G4BetheB 119 G4BetheBlochModel & operator=(const G4BetheBlochModel &right) = delete;
120 G4BetheBlochModel(const G4BetheBlochModel&) 120 G4BetheBlochModel(const G4BetheBlochModel&) = delete;
121 121
122 protected: 122 protected:
123 123
124 G4double MaxSecondaryEnergy(const G4Particle 124 G4double MaxSecondaryEnergy(const G4ParticleDefinition*,
125 G4double kinEnergy) override; 125 G4double kinEnergy) override;
126 126
127 inline G4double GetChargeSquareRatio() const 127 inline G4double GetChargeSquareRatio() const;
128 128
129 inline void SetChargeSquareRatio(G4double va 129 inline void SetChargeSquareRatio(G4double val);
130 130
131 private: 131 private:
132 132
133 void SetupParameters(const G4ParticleDefinit 133 void SetupParameters(const G4ParticleDefinition* p);
134 134
135 const G4ParticleDefinition* particle = nullp 135 const G4ParticleDefinition* particle = nullptr;
136 const G4ParticleDefinition* theElectron; 136 const G4ParticleDefinition* theElectron;
137 G4EmCorrections* corr; 137 G4EmCorrections* corr;
138 G4ParticleChangeForLoss* fParticleChange 138 G4ParticleChangeForLoss* fParticleChange = nullptr;
139 G4NistManager* nist; 139 G4NistManager* nist;
140 G4ICRU90StoppingData* fICRU90 = nullpt 140 G4ICRU90StoppingData* fICRU90 = nullptr;
141 const G4Material* currentMaterial 141 const G4Material* currentMaterial = nullptr;
142 const G4Material* baseMaterial = n 142 const G4Material* baseMaterial = nullptr;
143 143
144 G4double mass = 0.0; 144 G4double mass = 0.0;
145 G4double tlimit = DBL_MAX; 145 G4double tlimit = DBL_MAX;
146 G4double spin = 0.0; 146 G4double spin = 0.0;
147 G4double magMoment2 = 0.0; 147 G4double magMoment2 = 0.0;
148 G4double chargeSquare = 1.0; 148 G4double chargeSquare = 1.0;
149 G4double ratio = 1.0; 149 G4double ratio = 1.0;
150 G4double formfact = 0.0; 150 G4double formfact = 0.0;
151 G4double twoln10; 151 G4double twoln10;
152 G4double fAlphaTlimit; 152 G4double fAlphaTlimit;
153 G4double fProtonTlimit; 153 G4double fProtonTlimit;
154 154
155 G4int iICRU90 = -1; 155 G4int iICRU90 = -1;
156 G4bool isIon = false; 156 G4bool isIon = false;
157 G4bool isAlpha = false; 157 G4bool isAlpha = false;
158 }; 158 };
159 159
160 //....oooOO0OOooo........oooOO0OOooo........oo 160 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
161 161
162 inline G4double G4BetheBlochModel::GetChargeSq 162 inline G4double G4BetheBlochModel::GetChargeSquareRatio() const
163 { 163 {
164 return chargeSquare; 164 return chargeSquare;
165 } 165 }
166 166
167 //....oooOO0OOooo........oooOO0OOooo........oo 167 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
168 168
169 inline void G4BetheBlochModel::SetChargeSquare 169 inline void G4BetheBlochModel::SetChargeSquareRatio(G4double val)
170 { 170 {
171 chargeSquare = val; 171 chargeSquare = val;
172 } 172 }
173 173
174 //....oooOO0OOooo........oooOO0OOooo........oo 174 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
175 175
176 #endif 176 #endif
177 177