Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/processes/electromagnetic/lowenergy/include/G4Generator2BN.hh

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 25 //
 26 //
 27 // -------------------------------------------------------------------
 28 //
 29 // GEANT4 Class file
 30 //
 31 //
 32 // File name:  G4Generator2BN
 33 //
 34 // Author:     Andreia Trindade (andreia@lip.pt)
 35 //             Pedro Rodrigues  (psilva@lip.pt)
 36 //             Luis Peralta      (luis@lip.pt)
 37 // 
 38 // Creation date: 2 June 2003
 39 //
 40 // Modifications: 
 41 // 02 Jun 2003                           First implementation acording with new design
 42 // 07 Nov 2003                           Lockup tables for fast initialization
 43 //               
 44 //
 45 // Class Description: 
 46 //
 47 // Concrete class for Bremsstrahlung Angular Distribution Generation - 2BN Distribution
 48 // Further documentation available from http://www.ge.infn.it/geant4/lowE
 49 
 50 // -------------------------------------------------------------------
 51 //
 52 
 53 #ifndef G4Generator2BN_h
 54 #define G4Generator2BN_h 1
 55 
 56 #include "G4ios.hh"
 57 #include "globals.hh"
 58 #include "G4VEmAngularDistribution.hh"
 59 #include "G4Generator2BS.hh"
 60 
 61 class G4Generator2BN : public G4VEmAngularDistribution
 62 {
 63 
 64 public:
 65   explicit G4Generator2BN(const G4String& name = "");
 66 
 67   virtual ~G4Generator2BN(){;};
 68 
 69   G4ThreeVector& SampleDirection(const G4DynamicParticle* dp,
 70          G4double out_energy,
 71          G4int Z,
 72          const G4Material* mat = nullptr) override;
 73   
 74   void PrintGeneratorInformation() const override;
 75 
 76   void SetInterpolationThetaIncrement(G4double increment) {dtheta = increment;};
 77   G4double GetInterpolationThetaIncrement() {return dtheta;};
 78 
 79   void SetGammaCutValue(G4double cutValue) {kcut = cutValue;};
 80   G4double GetGammaCutValue() {return kcut;};
 81 
 82   void ConstructMajorantSurface();
 83 
 84   G4Generator2BN & operator=(const  G4Generator2BN &right) = delete;
 85   G4Generator2BN(const  G4Generator2BN&) = delete;
 86 
 87 protected:
 88 
 89   G4double CalculateFkt(G4double k, G4double theta, G4double A, G4double c) const;
 90   G4double Calculatedsdkdt(G4double kout, G4double theta, G4double Eel) const;
 91 
 92 private:
 93   G4Generator2BS fGenerator2BS; 
 94   static G4double Atab[320];
 95   static G4double ctab[320];
 96   G4double b;
 97  
 98   G4double kmin, Ekmin;
 99   G4double dtheta;
100   G4double kcut;
101  
102   G4int index_min, index_max;
103   G4int nwarn;
104 
105 };
106 
107 #endif
108 
109