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25 // 25 //
>> 26 // $Id: G4MollerBhabhaModel.hh,v 1.16 2006/06/29 19:50:28 gunter Exp $
>> 27 // GEANT4 tag $Name: geant4-08-01-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 <<
45 46
46 // 47 //
47 // Class Description: 48 // Class Description:
48 // 49 //
49 // Implementation of energy loss process and d 50 // Implementation of energy loss process and delta-electrons production
50 // of electrons and positrons 51 // of electrons and positrons
51 52
52 // ------------------------------------------- 53 // -------------------------------------------------------------------
53 // 54 //
54 55
55 #ifndef G4MollerBhabhaModel_h 56 #ifndef G4MollerBhabhaModel_h
56 #define G4MollerBhabhaModel_h 1 57 #define G4MollerBhabhaModel_h 1
57 58
58 #include "G4VEmModel.hh" 59 #include "G4VEmModel.hh"
59 60
60 class G4ParticleChangeForLoss; 61 class G4ParticleChangeForLoss;
61 62
62 class G4MollerBhabhaModel : public G4VEmModel 63 class G4MollerBhabhaModel : public G4VEmModel
63 { 64 {
64 65
65 public: 66 public:
66 67
67 explicit G4MollerBhabhaModel(const G4Particl << 68 G4MollerBhabhaModel(const G4ParticleDefinition* p = 0,
68 const G4String& nam = "MollerBhab << 69 const G4String& nam = "MollerBhabha");
69 70
70 ~G4MollerBhabhaModel() override; << 71 virtual ~G4MollerBhabhaModel();
71 72
72 void Initialise(const G4ParticleDefinition*, << 73 virtual void Initialise(const G4ParticleDefinition*, const G4DataVector&);
73 74
>> 75 G4double MinEnergyCut(const G4ParticleDefinition*,
>> 76 const G4MaterialCutsCouple*);
>> 77
74 virtual G4double ComputeCrossSectionPerElect 78 virtual G4double ComputeCrossSectionPerElectron(
75 const G4ParticleDefinition*, 79 const G4ParticleDefinition*,
76 G4double kineticEnergy, 80 G4double kineticEnergy,
77 G4double cutEnergy, 81 G4double cutEnergy,
78 G4double maxEnergy); 82 G4double maxEnergy);
79 83
80 G4double ComputeCrossSectionPerAtom( << 84 virtual G4double ComputeCrossSectionPerAtom(
81 const G4ParticleDefinition*, 85 const G4ParticleDefinition*,
82 G4double kineticEnergy, 86 G4double kineticEnergy,
83 G4double Z, G4double A, 87 G4double Z, G4double A,
84 G4double cutEnergy, 88 G4double cutEnergy,
85 G4double maxEnergy) override; << 89 G4double maxEnergy);
86 90
87 G4double CrossSectionPerVolume(const G4Mater << 91 virtual G4double CrossSectionPerVolume(const G4Material*,
88 const G4ParticleDefinition*, 92 const G4ParticleDefinition*,
89 G4double kineticEnergy, 93 G4double kineticEnergy,
90 G4double cutEnergy, 94 G4double cutEnergy,
91 G4double maxEnergy) override; << 95 G4double maxEnergy);
92 96
93 G4double ComputeDEDXPerVolume(const G4Materi << 97 virtual G4double ComputeDEDXPerVolume(const G4Material*,
94 const G4ParticleDefinition*, 98 const G4ParticleDefinition*,
95 G4double kineticEnergy, 99 G4double kineticEnergy,
96 G4double cutEnergy) override; << 100 G4double cutEnergy);
97 101
98 void SampleSecondaries(std::vector<G4Dynamic << 102 virtual std::vector<G4DynamicParticle*>* SampleSecondaries(
99 const G4MaterialCutsCouple*, << 103 const G4MaterialCutsCouple*,
100 const G4DynamicParticle*, << 104 const G4DynamicParticle*,
101 G4double tmin, << 105 G4double tmin,
102 G4double maxEnergy) override; << 106 G4double maxEnergy);
103 <<
104 // hide assignment operator <<
105 G4MollerBhabhaModel & operator=(const G4Mol <<
106 G4MollerBhabhaModel(const G4MollerBhabhaMod <<
107 107
108 protected: 108 protected:
109 109
110 G4double MaxSecondaryEnergy(const G4Particle 110 G4double MaxSecondaryEnergy(const G4ParticleDefinition*,
111 G4double kinEnergy) final; << 111 G4double kinEnergy);
112 << 112
113 inline void SetParticle(const G4ParticleDefi << 113 private:
>> 114
>> 115 void SetParticle(const G4ParticleDefinition* p);
>> 116
>> 117 // hide assignment operator
>> 118 G4MollerBhabhaModel & operator=(const G4MollerBhabhaModel &right);
>> 119 G4MollerBhabhaModel(const G4MollerBhabhaModel&);
114 120
115 const G4ParticleDefinition* particle; 121 const G4ParticleDefinition* particle;
116 G4ParticleDefinition* theElectron; 122 G4ParticleDefinition* theElectron;
117 G4ParticleChangeForLoss* fParticleChange; 123 G4ParticleChangeForLoss* fParticleChange;
118 <<
119 G4bool isElectron; <<
120 G4double twoln10; 124 G4double twoln10;
121 G4double lowLimit; 125 G4double lowLimit;
122 << 126 G4bool isElectron;
123 private: <<
124 <<
125 G4bool isInitialised; <<
126 <<
127 }; 127 };
128 128
129 //....oooOO0OOooo........oooOO0OOooo........oo 129 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
130 130
131 inline void G4MollerBhabhaModel::SetParticle(c << 131 inline G4double G4MollerBhabhaModel::MaxSecondaryEnergy(
>> 132 const G4ParticleDefinition*,
>> 133 G4double kinEnergy)
132 { 134 {
133 particle = p; << 135 G4double tmax = kinEnergy;
134 isElectron = (p == theElectron); << 136 if(isElectron) tmax *= 0.5;
>> 137 return tmax;
135 } 138 }
136 139
137 //....oooOO0OOooo........oooOO0OOooo........oo 140 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
138 141
139 #endif 142 #endif
140 143