Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/processes/electromagnetic/standard/include/G4ModifiedTsai.hh

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 25 //
 26 //
 27 // -------------------------------------------------------------------
 28 //
 29 // GEANT4 Class header file
 30 //
 31 //
 32 // File name:  G4ModifiedTsai
 33 //
 34 // Author:     Andreia Trindade (andreia@lip.pt)
 35 //             Pedro Rodrigues  (psilva@lip.pt)
 36 //             Luis Peralta     (luis@lip.pt)
 37 // 
 38 // Creation date: 21 March 2003
 39 //
 40 // Modifications: 
 41 // 21 Mar 2003 A.Trindade First implementation acording with new design
 42 // 24 Mar 2003 A.Trindade Fix in Tsai generator in order to prevent theta 
 43 //                        generation above pi
 44 // 13 Oct 2010  V.Ivanchenko  Moved to standard and improved comment
 45 //
 46 // Class Description: 
 47 //
 48 // Bremsstrahlung Angular Distribution Generation 
 49 // suggested by L.Urban (Geant3 manual (1993) Phys211)
 50 // Derived from Tsai distribution (Rev Mod Phys 49,421(1977))
 51 //
 52 // -------------------------------------------------------------------
 53 //
 54 
 55 #ifndef G4ModifiedTsai_h
 56 #define G4ModifiedTsai_h 1
 57 
 58 #include "G4ios.hh"
 59 #include "globals.hh"
 60 #include "G4VEmAngularDistribution.hh"
 61 
 62 class G4ModifiedTsai : public G4VEmAngularDistribution
 63 {
 64 
 65 public:
 66 
 67   explicit G4ModifiedTsai(const G4String& name = "");
 68 
 69   ~G4ModifiedTsai() override;
 70 
 71   G4ThreeVector& SampleDirection(const G4DynamicParticle* dp,
 72          G4double out_energy, G4int Z,
 73          const G4Material* mat = nullptr) final;
 74 
 75   void SamplePairDirections(const G4DynamicParticle* dp,
 76           G4double elecKinEnergy,
 77           G4double posiKinEnergy,
 78           G4ThreeVector& dirElectron,
 79           G4ThreeVector& dirPositron,
 80           G4int Z = 0,
 81           const G4Material* mat = nullptr) final;
 82 
 83   void PrintGeneratorInformation() const final;
 84 
 85   // hide assignment operator 
 86   G4ModifiedTsai & operator=(const  G4ModifiedTsai &right) = delete;
 87   G4ModifiedTsai(const  G4ModifiedTsai&) = delete;
 88 
 89 private:
 90 
 91   G4double SampleCosTheta(G4double kinEnergy);
 92 
 93 };
 94 
 95 #endif
 96 
 97