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>> 26 // $Id: G4MollerBhabhaModel.hh,v 1.19 2007/05/22 17:34:36 vnivanch Exp $
>> 27 // GEANT4 tag $Name: geant4-09-00-patch-01 $
26 // 28 //
27 // ------------------------------------------- 29 // -------------------------------------------------------------------
28 // 30 //
29 // GEANT4 Class header file 31 // GEANT4 Class header file
30 // 32 //
31 // 33 //
32 // File name: G4MollerBhabhaModel 34 // File name: G4MollerBhabhaModel
33 // 35 //
34 // Author: Vladimir Ivanchenko on base 36 // Author: Vladimir Ivanchenko on base of Laszlo Urban code
35 // 37 //
36 // Creation date: 07.01.2002 38 // Creation date: 07.01.2002
37 // 39 //
38 // Modifications: 40 // Modifications:
39 // 41 //
40 // 23-12-02 Change interface in order to move 42 // 23-12-02 Change interface in order to move to cut per region (V.Ivanchenko)
41 // 24-01-03 Make models region aware (V.Ivanch 43 // 24-01-03 Make models region aware (V.Ivanchenko)
42 // 13-02-03 Add name (V.Ivanchenko) 44 // 13-02-03 Add name (V.Ivanchenko)
43 // 06-02-06 ComputeCrossSectionPerElectron, Co 45 // 06-02-06 ComputeCrossSectionPerElectron, ComputeCrossSectionPerAtom (mma)
44 // 14-01-07 promote SetParticle() from private 46 // 14-01-07 promote SetParticle() from private to protected (mma)
45 47
46 // 48 //
47 // Class Description: 49 // Class Description:
48 // 50 //
49 // Implementation of energy loss process and d 51 // Implementation of energy loss process and delta-electrons production
50 // of electrons and positrons 52 // of electrons and positrons
51 53
52 // ------------------------------------------- 54 // -------------------------------------------------------------------
53 // 55 //
54 56
55 #ifndef G4MollerBhabhaModel_h 57 #ifndef G4MollerBhabhaModel_h
56 #define G4MollerBhabhaModel_h 1 58 #define G4MollerBhabhaModel_h 1
57 59
58 #include "G4VEmModel.hh" 60 #include "G4VEmModel.hh"
59 61
60 class G4ParticleChangeForLoss; 62 class G4ParticleChangeForLoss;
61 63
62 class G4MollerBhabhaModel : public G4VEmModel 64 class G4MollerBhabhaModel : public G4VEmModel
63 { 65 {
64 66
65 public: 67 public:
66 68
67 explicit G4MollerBhabhaModel(const G4Particl << 69 G4MollerBhabhaModel(const G4ParticleDefinition* p = 0,
68 const G4String& nam = "MollerBhab << 70 const G4String& nam = "MollerBhabha");
69 71
70 ~G4MollerBhabhaModel() override; << 72 virtual ~G4MollerBhabhaModel();
71 73
72 void Initialise(const G4ParticleDefinition*, << 74 virtual void Initialise(const G4ParticleDefinition*, const G4DataVector&);
73 75
>> 76 G4double MinEnergyCut(const G4ParticleDefinition*,
>> 77 const G4MaterialCutsCouple*);
>> 78
74 virtual G4double ComputeCrossSectionPerElect 79 virtual G4double ComputeCrossSectionPerElectron(
75 const G4ParticleDefinition*, 80 const G4ParticleDefinition*,
76 G4double kineticEnergy, 81 G4double kineticEnergy,
77 G4double cutEnergy, 82 G4double cutEnergy,
78 G4double maxEnergy); 83 G4double maxEnergy);
79 84
80 G4double ComputeCrossSectionPerAtom( << 85 virtual G4double ComputeCrossSectionPerAtom(
81 const G4ParticleDefinition*, 86 const G4ParticleDefinition*,
82 G4double kineticEnergy, 87 G4double kineticEnergy,
83 G4double Z, G4double A, 88 G4double Z, G4double A,
84 G4double cutEnergy, 89 G4double cutEnergy,
85 G4double maxEnergy) override; << 90 G4double maxEnergy);
86 91
87 G4double CrossSectionPerVolume(const G4Mater << 92 virtual G4double CrossSectionPerVolume(const G4Material*,
88 const G4ParticleDefinition*, 93 const G4ParticleDefinition*,
89 G4double kineticEnergy, 94 G4double kineticEnergy,
90 G4double cutEnergy, 95 G4double cutEnergy,
91 G4double maxEnergy) override; << 96 G4double maxEnergy);
92 97
93 G4double ComputeDEDXPerVolume(const G4Materi << 98 virtual G4double ComputeDEDXPerVolume(const G4Material*,
94 const G4ParticleDefinition*, 99 const G4ParticleDefinition*,
95 G4double kineticEnergy, 100 G4double kineticEnergy,
96 G4double cutEnergy) override; << 101 G4double cutEnergy);
97 102
98 void SampleSecondaries(std::vector<G4Dynamic << 103 virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
99 const G4MaterialCutsCouple*, << 104 const G4MaterialCutsCouple*,
100 const G4DynamicParticle*, << 105 const G4DynamicParticle*,
101 G4double tmin, << 106 G4double tmin,
102 G4double maxEnergy) override; << 107 G4double maxEnergy);
103 <<
104 // hide assignment operator <<
105 G4MollerBhabhaModel & operator=(const G4Mol <<
106 G4MollerBhabhaModel(const G4MollerBhabhaMod <<
107 108
108 protected: 109 protected:
109 110
110 G4double MaxSecondaryEnergy(const G4Particle 111 G4double MaxSecondaryEnergy(const G4ParticleDefinition*,
111 G4double kinEnergy) final; << 112 G4double kinEnergy);
112 113
113 inline void SetParticle(const G4ParticleDefi << 114 void SetParticle(const G4ParticleDefinition* p);
114 115
115 const G4ParticleDefinition* particle; 116 const G4ParticleDefinition* particle;
116 G4ParticleDefinition* theElectron; 117 G4ParticleDefinition* theElectron;
117 G4ParticleChangeForLoss* fParticleChange; 118 G4ParticleChangeForLoss* fParticleChange;
118 119
119 G4bool isElectron; 120 G4bool isElectron;
120 G4double twoln10; 121 G4double twoln10;
121 G4double lowLimit; 122 G4double lowLimit;
122 123
123 private: 124 private:
124 125
125 G4bool isInitialised; << 126 // hide assignment operator
126 << 127 G4MollerBhabhaModel & operator=(const G4MollerBhabhaModel &right);
>> 128 G4MollerBhabhaModel(const G4MollerBhabhaModel&);
127 }; 129 };
128 130
129 //....oooOO0OOooo........oooOO0OOooo........oo 131 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
130 132
131 inline void G4MollerBhabhaModel::SetParticle(c << 133 inline G4double G4MollerBhabhaModel::MaxSecondaryEnergy(
>> 134 const G4ParticleDefinition*,
>> 135 G4double kinEnergy)
132 { 136 {
133 particle = p; << 137 G4double tmax = kinEnergy;
134 isElectron = (p == theElectron); << 138 if(isElectron) tmax *= 0.5;
>> 139 return tmax;
135 } 140 }
136 141
137 //....oooOO0OOooo........oooOO0OOooo........oo 142 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
138 143
139 #endif 144 #endif
140 145