include/Geant4/G4eplusTo3GammaOKVIModel.hh

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0025 //
0026 //
0027 // -------------------------------------------------------------------
0028 //
0029 // GEANT4 Class header file
0030 //
0031 //
0032 // File name:     G4eplusTo3GammaOKVIModel
0033 //
0034 // Authors:  Andrei Alkin, Vladimir Ivanchenko, Omrame Kadri
0035 //
0036 // Creation date: 29.03.2018
0037 //
0038 //
0039 // Class Description:
0040 //
0041 // Implementation of e+ annihilation into 3 gamma
0042
0043 // -------------------------------------------------------------------
0044 //
0045
0046 #ifndef G4eplusTo3GammaOKVIModel_h
0047 #define G4eplusTo3GammaOKVIModel_h 1
0048
0049 #include "G4VEmModel.hh"
0050
0051 class G4ParticleChangeForGamma;
0052
0053 class G4eplusTo3GammaOKVIModel : public G4VEmModel
0054 {
0055
0056 public:
0057
0058   explicit G4eplusTo3GammaOKVIModel(const G4ParticleDefinition* p = nullptr,
0059                                     const G4String& nam = "eplus3ggOKVI");
0060
0061   ~G4eplusTo3GammaOKVIModel() override;
0062
0063   void Initialise(const G4ParticleDefinition*, const G4DataVector&) final;
0064
0065   G4double ComputeCrossSectionPerElectron(G4double kinEnergy);
0066
0067   G4double ComputeCrossSectionPerAtom(
0068                                  const G4ParticleDefinition*,
0069                                        G4double kinEnergy,
0070                                        G4double Z,
0071                                        G4double A = 0.,
0072                                        G4double cutEnergy = 0.,
0073                                        G4double maxEnergy = DBL_MAX) final;
0074
0075   G4double CrossSectionPerVolume(const G4Material*,
0076                  const G4ParticleDefinition*,
0077                  G4double kineticEnergy,
0078                  G4double cutEnergy = 0.0,
0079                  G4double maxEnergy = DBL_MAX) final;
0080
0081   void SampleSecondaries(std::vector<G4DynamicParticle*>*,
0082                  const G4MaterialCutsCouple*,
0083                  const G4DynamicParticle*,
0084                  G4double tmin = 0.0,
0085                  G4double maxEnergy = DBL_MAX) final;
0086
0087   G4double ComputeF(G4double fr1, G4double fr2, G4double fr3, G4double kinEnergy);
0088
0089   G4double ComputeF0(G4double fr1, G4double fr2, G4double fr3);
0090
0091   G4double ComputeFS(G4double fr1, G4double fr2, G4double fr3, G4double kinEnergy);
0092
0093   inline void SetDelta(G4double val) { if(val > 0.0) { fDelta = val; } };
0094
0095   // hide assignment operator
0096   G4eplusTo3GammaOKVIModel & operator=
0097   (const  G4eplusTo3GammaOKVIModel &right) = delete;
0098   G4eplusTo3GammaOKVIModel(const  G4eplusTo3GammaOKVIModel&) = delete;
0099
0100 private:
0101
0102   G4double fDelta;
0103   const G4ParticleDefinition*  theGamma;
0104   G4ParticleChangeForGamma* fParticleChange;
0105 };
0106
0107 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0108
0109
0110 #endif