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25 // 22 //
26 // 23 //
27 // ------------------------------------------- 24 // -------------------------------------------------------------------
28 // 25 //
29 // GEANT4 Class header file 26 // GEANT4 Class header file
30 // 27 //
31 // 28 //
32 // File name: G4MollerBhabhaModel 29 // File name: G4MollerBhabhaModel
33 // 30 //
34 // Author: Vladimir Ivanchenko on base 31 // Author: Vladimir Ivanchenko on base of Laszlo Urban code
35 // 32 //
36 // Creation date: 07.01.2002 33 // Creation date: 07.01.2002
37 // 34 //
38 // Modifications: 35 // Modifications:
39 // 36 //
40 // 23-12-02 Change interface in order to move 37 // 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 38 // 24-01-03 Make models region aware (V.Ivanchenko)
42 // 13-02-03 Add name (V.Ivanchenko) 39 // 13-02-03 Add name (V.Ivanchenko)
43 // 06-02-06 ComputeCrossSectionPerElectron, Co <<
44 // 14-01-07 promote SetParticle() from private <<
45 40
46 // 41 //
47 // Class Description: 42 // Class Description:
48 // 43 //
49 // Implementation of energy loss process and d 44 // Implementation of energy loss process and delta-electrons production
50 // of electrons and positrons 45 // of electrons and positrons
51 46
52 // ------------------------------------------- 47 // -------------------------------------------------------------------
53 // 48 //
54 49
55 #ifndef G4MollerBhabhaModel_h 50 #ifndef G4MollerBhabhaModel_h
56 #define G4MollerBhabhaModel_h 1 51 #define G4MollerBhabhaModel_h 1
57 52
58 #include "G4VEmModel.hh" 53 #include "G4VEmModel.hh"
59 54
60 class G4ParticleChangeForLoss; <<
61 <<
62 class G4MollerBhabhaModel : public G4VEmModel 55 class G4MollerBhabhaModel : public G4VEmModel
63 { 56 {
64 57
65 public: 58 public:
66 59
67 explicit G4MollerBhabhaModel(const G4Particl << 60 G4MollerBhabhaModel(const G4ParticleDefinition* p = 0, const G4String& nam = "MollerBhabha");
68 const G4String& nam = "MollerBhab <<
69 61
70 ~G4MollerBhabhaModel() override; << 62 ~G4MollerBhabhaModel();
71 63
72 void Initialise(const G4ParticleDefinition*, << 64 void Initialise(const G4ParticleDefinition*, const G4DataVector&);
73 65
74 virtual G4double ComputeCrossSectionPerElect << 66 G4double HighEnergyLimit(const G4ParticleDefinition* p);
75 const G4ParticleDefinition*, <<
76 G4double kineticEnergy, <<
77 G4double cutEnergy, <<
78 G4double maxEnergy); <<
79 <<
80 G4double ComputeCrossSectionPerAtom( <<
81 const G4ParticleDefinition*, <<
82 G4double kineticEnergy, <<
83 G4double Z, G4double A, <<
84 G4double cutEnergy, <<
85 G4double maxEnergy) override; <<
86 <<
87 G4double CrossSectionPerVolume(const G4Mater <<
88 const G4ParticleDefinition*, <<
89 G4double kineticEnergy, <<
90 G4double cutEnergy, <<
91 G4double maxEnergy) override; <<
92 <<
93 G4double ComputeDEDXPerVolume(const G4Materi <<
94 const G4ParticleDefinition*, <<
95 G4double kineticEnergy, <<
96 G4double cutEnergy) override; <<
97 <<
98 void SampleSecondaries(std::vector<G4Dynamic <<
99 const G4MaterialCutsCouple*, <<
100 const G4DynamicParticle*, <<
101 G4double tmin, <<
102 G4double maxEnergy) override; <<
103 67
104 // hide assignment operator << 68 G4double LowEnergyLimit(const G4ParticleDefinition* p);
105 G4MollerBhabhaModel & operator=(const G4Mol << 69
106 G4MollerBhabhaModel(const G4MollerBhabhaMod << 70 void SetHighEnergyLimit(G4double e) {highKinEnergy = e;};
>> 71
>> 72 void SetLowEnergyLimit(G4double e) {lowKinEnergy = e;};
>> 73
>> 74 G4double MinEnergyCut(const G4ParticleDefinition*,
>> 75 const G4MaterialCutsCouple*);
>> 76
>> 77 G4bool IsInCharge(const G4ParticleDefinition*);
>> 78
>> 79 G4double ComputeDEDX(const G4Material*,
>> 80 const G4ParticleDefinition*,
>> 81 G4double kineticEnergy,
>> 82 G4double cutEnergy);
>> 83
>> 84 G4double CrossSection(const G4Material*,
>> 85 const G4ParticleDefinition*,
>> 86 G4double kineticEnergy,
>> 87 G4double cutEnergy,
>> 88 G4double maxEnergy);
>> 89
>> 90 G4DynamicParticle* SampleSecondary(
>> 91 const G4MaterialCutsCouple*,
>> 92 const G4DynamicParticle*,
>> 93 G4double tmin,
>> 94 G4double maxEnergy);
>> 95
>> 96 std::vector<G4DynamicParticle*>* SampleSecondaries(
>> 97 const G4MaterialCutsCouple*,
>> 98 const G4DynamicParticle*,
>> 99 G4double tmin,
>> 100 G4double maxEnergy);
>> 101
>> 102 G4double MaxSecondaryEnergy(const G4DynamicParticle*);
107 103
108 protected: 104 protected:
109 105
110 G4double MaxSecondaryEnergy(const G4Particle 106 G4double MaxSecondaryEnergy(const G4ParticleDefinition*,
111 G4double kinEnergy) final; << 107 G4double kinEnergy);
112 <<
113 inline void SetParticle(const G4ParticleDefi <<
114 108
115 const G4ParticleDefinition* particle; << 109 private:
116 G4ParticleDefinition* theElectron; <<
117 G4ParticleChangeForLoss* fParticleChange; <<
118 110
119 G4bool isElectron; << 111 void SetParticle(const G4ParticleDefinition* p);
>> 112
>> 113 // hide assignment operator
>> 114 G4MollerBhabhaModel & operator=(const G4MollerBhabhaModel &right);
>> 115 G4MollerBhabhaModel(const G4MollerBhabhaModel&);
>> 116
>> 117 const G4ParticleDefinition* particle;
>> 118 G4ParticleDefinition* theElectron;
>> 119 G4double highKinEnergy;
>> 120 G4double lowKinEnergy;
120 G4double twoln10; 121 G4double twoln10;
121 G4double lowLimit; 122 G4double lowLimit;
122 << 123 G4bool isElectron;
123 private: << 124 };
124 125
125 G4bool isInitialised; << 126 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
126 127
127 }; << 128 inline G4double G4MollerBhabhaModel::MaxSecondaryEnergy(
>> 129 const G4ParticleDefinition*,
>> 130 G4double kinEnergy)
>> 131 {
>> 132 G4double tmax = kinEnergy;
>> 133 if(isElectron) tmax *= 0.5;
>> 134 return tmax;
>> 135 }
128 136
129 //....oooOO0OOooo........oooOO0OOooo........oo << 137 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
130 138
131 inline void G4MollerBhabhaModel::SetParticle(c << 139 inline G4double G4MollerBhabhaModel::MaxSecondaryEnergy(const G4DynamicParticle* dp)
132 { 140 {
133 particle = p; << 141 G4double tmax = dp->GetKineticEnergy();
134 isElectron = (p == theElectron); << 142 if(isElectron) tmax *= 0.5;
>> 143 return tmax;
135 } 144 }
136 145
137 //....oooOO0OOooo........oooOO0OOooo........oo << 146 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
138 147
139 #endif 148 #endif
140 149