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G4eeToTwoGammaModel.hh
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26 // $Id: G4eeToTwoGammaModel.hh 96934 2016-05-18 09:10:41Z gcosmo $
27 //
28 // -------------------------------------------------------------------
29 //
30 // GEANT4 Class header file
31 //
32 //
33 // File name: G4eeToTwoGammaModel
34 //
35 // Author: Vladimir Ivanchenko on base of Michel Maire code
36 //
37 // Creation date: 02.08.2004
38 //
39 // Modifications:
40 // 08-04-05 Major optimisation of internal interfaces (V.Ivanchenko)
41 // 18-04-05 Compute CrossSectionPerVolume (V.Ivanchenko)
42 // 06-02-06 ComputeCrossSectionPerElectron, ComputeCrossSectionPerAtom (mma)
43 // 20-10-06 Add theGamma as a member (V.Ivanchenko)
44 //
45 //
46 // Class Description:
47 //
48 // Implementation of e+ annihilation into 2 gamma
49 
50 // -------------------------------------------------------------------
51 //
52 
53 #ifndef G4eeToTwoGammaModel_h
54 #define G4eeToTwoGammaModel_h 1
55 
56 #include "G4VEmModel.hh"
57 
59 
61 {
62 
63 public:
64 
65  explicit G4eeToTwoGammaModel(const G4ParticleDefinition* p = 0,
66  const G4String& nam = "eplus2gg");
67 
68  virtual ~G4eeToTwoGammaModel();
69 
70  virtual void Initialise(const G4ParticleDefinition*,
71  const G4DataVector&) override;
72 
74  const G4ParticleDefinition*,
75  G4double kinEnergy,
76  G4double cutEnergy = 0.,
77  G4double maxEnergy = DBL_MAX);
78 
80  const G4ParticleDefinition*,
81  G4double kinEnergy,
82  G4double Z,
83  G4double A = 0.,
84  G4double cutEnergy = 0.,
85  G4double maxEnergy = DBL_MAX) final;
86 
88  const G4ParticleDefinition*,
89  G4double kineticEnergy,
90  G4double cutEnergy,
91  G4double maxEnergy) final;
92 
93  virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
94  const G4MaterialCutsCouple*,
95  const G4DynamicParticle*,
96  G4double tmin,
97  G4double maxEnergy) override;
98 
99 private:
100 
101  // hide assignment operator
102  G4eeToTwoGammaModel & operator=(const G4eeToTwoGammaModel &right) = delete;
103  G4eeToTwoGammaModel(const G4eeToTwoGammaModel&) = delete;
104 
105  G4double pi_rcl2;
106  G4ParticleDefinition* theGamma;
107  G4ParticleChangeForGamma* fParticleChange;
108  G4bool isInitialised;
109 };
110 
111 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
112 
113 #endif
const char * p
Definition: xmltok.h:285
virtual G4double CrossSectionPerVolume(const G4Material *, const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy, G4double maxEnergy) final
virtual void Initialise(const G4ParticleDefinition *, const G4DataVector &) override
double A(double temperature)
virtual G4double ComputeCrossSectionPerElectron(const G4ParticleDefinition *, G4double kinEnergy, G4double cutEnergy=0., G4double maxEnergy=DBL_MAX)
bool G4bool
Definition: G4Types.hh:79
virtual G4double ComputeCrossSectionPerAtom(const G4ParticleDefinition *, G4double kinEnergy, G4double Z, G4double A=0., G4double cutEnergy=0., G4double maxEnergy=DBL_MAX) final
G4eeToTwoGammaModel(const G4ParticleDefinition *p=0, const G4String &nam="eplus2gg")
virtual void SampleSecondaries(std::vector< G4DynamicParticle * > *, const G4MaterialCutsCouple *, const G4DynamicParticle *, G4double tmin, G4double maxEnergy) override
double G4double
Definition: G4Types.hh:76
#define DBL_MAX
Definition: templates.hh:83