include/Geant4/G4ModifiedMephi.hh

0001 //
0002 // ********************************************************************
0003 // * License and Disclaimer                                           *
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0024 // ********************************************************************
0025 //
0026 //
0027 // -------------------------------------------------------------------
0028 //
0029 // GEANT4 Class header file
0030 //
0031 //
0032 // File name:  G4ModifiedMephi
0033 //
0034 // Author:        V. Ivanchenko
0035 //
0036 // Creation date: 27 October 2020
0037 //
0038 // Modifications:
0039 //
0040 // Class Description:
0041 //
0042 // Bremsstrahlung Angular Distribution Generation
0043 // A.G. Bogdanov et al., IEEE Trans. Nuc. Sci., Vol.53, No.2, 2006
0044 //
0045 // -------------------------------------------------------------------
0046 //
0047
0048 #ifndef G4ModifiedMephi_h
0049 #define G4ModifiedMephi_h 1
0050
0051 #include "G4ios.hh"
0052 #include "globals.hh"
0053 #include "G4VEmAngularDistribution.hh"
0054
0055 class G4ModifiedMephi : public G4VEmAngularDistribution
0056 {
0057
0058 public:
0059
0060   explicit G4ModifiedMephi(const G4String& name = "");
0061
0062   ~G4ModifiedMephi() override;
0063
0064   G4ThreeVector& SampleDirection(const G4DynamicParticle* dp,
0065                                  G4double gEnergy, G4int Z,
0066                                  const G4Material* mat = nullptr) final;
0067
0068   void SamplePairDirections(const G4DynamicParticle* dp,
0069                 G4double elecKinEnergy,
0070                             G4double posiKinEnergy,
0071                             G4ThreeVector& dirElectron,
0072                             G4ThreeVector& dirPositron,
0073                             G4int Z = 0,
0074                             const G4Material* mat = nullptr) final;
0075
0076   void PrintGeneratorInformation() const override;
0077
0078   // hide assignment operator
0079   G4ModifiedMephi & operator=(const  G4ModifiedMephi &right) = delete;
0080   G4ModifiedMephi(const  G4ModifiedMephi&) = delete;
0081
0082 private:
0083
0084   G4double SampleCosTheta(G4double primKinEnergy, G4double gEnergy,
0085                           G4double mass);
0086
0087 };
0088
0089 #endif
0090