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Geant4/examples/advanced/eRosita/physics/include/G4RDGenerator2BN.hh

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 25 //
 26 //
 27 // -------------------------------------------------------------------
 28 //
 29 // GEANT4 Class file
 30 //
 31 //
 32 // File name:  G4RDGenerator2BN
 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 G4RDGenerator2BN_h
 54 #define G4RDGenerator2BN_h 1
 55 
 56 #include "G4ios.hh"
 57 #include "globals.hh"
 58 #include "G4RDVBremAngularDistribution.hh"
 59 
 60 class G4RDGenerator2BN : public G4RDVBremAngularDistribution
 61 {
 62 
 63 public:
 64 
 65   G4RDGenerator2BN(const G4String& name);
 66 
 67   ~G4RDGenerator2BN();
 68 
 69   G4double PolarAngle(const G4double initial_energy,
 70           const G4double final_energy,
 71           const G4int Z);
 72 
 73   void PrintGeneratorInformation() const;
 74 
 75 public:
 76 
 77   void SetInterpolationThetaIncrement(G4double increment) {dtheta = increment;};
 78   G4double GetInterpolationThetaIncrement() {return dtheta;};
 79 
 80   void SetGammaCutValue(G4double cutValue) {kcut = cutValue;};
 81   G4double GetGammaCutValue() {return kcut;};
 82 
 83   void ConstructMajorantSurface();
 84 
 85 protected:
 86 
 87   G4double CalculateFkt(G4double k, G4double theta, G4double A, G4double c) const;
 88   G4double Calculatedsdkdt(G4double kout, G4double theta, G4double Eel) const;
 89   G4double Generate2BN(G4double Ek, G4double k) const;
 90 
 91 
 92 private:
 93 
 94   G4double b;
 95   G4int index_min, index_max;
 96   G4double kmin, Ekmin;
 97   G4double dtheta;
 98   G4double kcut;
 99   static G4double Atab[320];
100   static G4double ctab[320];
101 
102   // hide assignment operator 
103   G4RDGenerator2BN & operator=(const  G4RDGenerator2BN &right);
104   G4RDGenerator2BN(const  G4RDGenerator2BN&);
105 
106 };
107 
108 #endif
109 
110