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25 // 22 //
>> 23 // $Id: G4eeToTwoGammaModel.hh,v 1.4 2004/11/22 03:04:24 vnivanch Exp $
>> 24 // GEANT4 tag $Name: geant4-07-00-cand-01 $
26 // 25 //
27 // ------------------------------------------- 26 // -------------------------------------------------------------------
28 // 27 //
29 // GEANT4 Class header file 28 // GEANT4 Class header file
30 // 29 //
31 // 30 //
32 // File name: G4eeToTwoGammaModel 31 // File name: G4eeToTwoGammaModel
33 // 32 //
34 // Author: Vladimir Ivanchenko on base 33 // Author: Vladimir Ivanchenko on base of Michel Maire code
35 // 34 //
36 // Creation date: 02.08.2004 35 // Creation date: 02.08.2004
37 // 36 //
38 // Modifications: 37 // Modifications:
39 // 08-04-05 Major optimisation of internal int <<
40 // 18-04-05 Compute CrossSectionPerVolume (V.I <<
41 // 06-02-06 ComputeCrossSectionPerElectron, Co <<
42 // 20-10-06 Add theGamma as a member (V.Ivanch <<
43 // 38 //
>> 39
44 // 40 //
45 // Class Description: 41 // Class Description:
46 // 42 //
47 // Implementation of e+ annihilation into 2 ga << 43 // Implementation of e+ annihilation into 2 gamma
48 // Annihilation at rest is sampled by G4VPosit << 44
49 // <<
50 // ------------------------------------------- 45 // -------------------------------------------------------------------
51 // 46 //
52 47
53 #ifndef G4eeToTwoGammaModel_h 48 #ifndef G4eeToTwoGammaModel_h
54 #define G4eeToTwoGammaModel_h 1 49 #define G4eeToTwoGammaModel_h 1
55 50
56 #include "G4VEmModel.hh" 51 #include "G4VEmModel.hh"
57 #include <vector> <<
58 <<
59 class G4ParticleChangeForGamma; <<
60 52
61 class G4eeToTwoGammaModel : public G4VEmModel 53 class G4eeToTwoGammaModel : public G4VEmModel
62 { 54 {
63 55
64 public: 56 public:
65 57
66 explicit G4eeToTwoGammaModel(const G4Particl << 58 G4eeToTwoGammaModel(const G4ParticleDefinition* p = 0, const G4String& nam = "eplus2gg");
67 const G4String& <<
68 59
69 ~G4eeToTwoGammaModel() override; << 60 virtual ~G4eeToTwoGammaModel();
70 61
71 void Initialise(const G4ParticleDefinition*, << 62 void Initialise(const G4ParticleDefinition*, const G4DataVector&);
72 <<
73 virtual G4double ComputeCrossSectionPerElect <<
74 <<
75 G4double ComputeCrossSectionPerAtom( <<
76 const G4Parti <<
77 G4double kinE <<
78 G4double Z, <<
79 G4double A = <<
80 G4double cutE <<
81 G4double maxE <<
82 <<
83 G4double CrossSectionPerVolume(const G4Mater <<
84 const G4ParticleDefinition*, <<
85 G4double kineticEnergy, <<
86 G4double cutEnergy = 0.0, <<
87 G4double maxEnergy = DBL_MAX) overrid <<
88 <<
89 void SampleSecondaries(std::vector<G4Dynamic <<
90 const G4MaterialCutsCouple*, <<
91 const G4DynamicParticle*, <<
92 G4double tmin, <<
93 G4double maxEnergy) override; <<
94 63
95 // hide assignment operator << 64 G4double HighEnergyLimit(const G4ParticleDefinition*);
96 G4eeToTwoGammaModel & operator=(const G4eeT << 65
97 G4eeToTwoGammaModel(const G4eeToTwoGammaMod << 66 G4double LowEnergyLimit(const G4ParticleDefinition*);
>> 67
>> 68 void SetHighEnergyLimit(G4double e) {highKinEnergy = e;};
>> 69
>> 70 void SetLowEnergyLimit(G4double e) {lowKinEnergy = e;};
>> 71
>> 72 G4double MinEnergyCut(const G4ParticleDefinition*,
>> 73 const G4MaterialCutsCouple*);
>> 74
>> 75 G4bool IsInCharge(const G4ParticleDefinition*);
>> 76
>> 77 G4double ComputeDEDX(const G4MaterialCutsCouple*,
>> 78 const G4ParticleDefinition*,
>> 79 G4double kineticEnergy,
>> 80 G4double cutEnergy);
>> 81
>> 82 G4double CrossSection(const G4MaterialCutsCouple*,
>> 83 const G4ParticleDefinition*,
>> 84 G4double kineticEnergy,
>> 85 G4double cutEnergy,
>> 86 G4double maxEnergy);
>> 87
>> 88 G4DynamicParticle* SampleSecondary(
>> 89 const G4MaterialCutsCouple*,
>> 90 const G4DynamicParticle*,
>> 91 G4double tmin,
>> 92 G4double maxEnergy);
>> 93
>> 94 std::vector<G4DynamicParticle*>* SampleSecondaries(
>> 95 const G4MaterialCutsCouple*,
>> 96 const G4DynamicParticle*,
>> 97 G4double tmin,
>> 98 G4double maxEnergy);
>> 99
>> 100 G4double MaxSecondaryEnergy(const G4DynamicParticle*);
>> 101
>> 102 protected:
>> 103
>> 104 G4double MaxSecondaryEnergy(const G4ParticleDefinition*,
>> 105 G4double kinEnergy);
98 106
99 private: 107 private:
100 108
>> 109 // hide assignment operator
>> 110 G4eeToTwoGammaModel & operator=(const G4eeToTwoGammaModel &right);
>> 111 G4eeToTwoGammaModel(const G4eeToTwoGammaModel&);
>> 112
>> 113 G4double highKinEnergy;
>> 114 G4double lowKinEnergy;
101 G4double pi_rcl2; 115 G4double pi_rcl2;
102 const G4ParticleDefinition* theGamma; <<
103 G4ParticleChangeForGamma* fParticleChange; <<
104 }; 116 };
105 117
106 //....oooOO0OOooo........oooOO0OOooo........oo << 118 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 119
>> 120 inline G4double G4eeToTwoGammaModel::MaxSecondaryEnergy(
>> 121 const G4ParticleDefinition*,
>> 122 G4double kinEnergy)
>> 123 {
>> 124 return kinEnergy;
>> 125 }
>> 126
>> 127 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
>> 128
>> 129 inline G4double G4eeToTwoGammaModel::MaxSecondaryEnergy(const G4DynamicParticle* dp)
>> 130 {
>> 131 return dp->GetKineticEnergy();
>> 132 }
>> 133
>> 134 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
107 135
108 #endif 136 #endif
109 137