G4RayleighAngularGenerator.hh

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//
// -------------------------------------------------------------------
//
// GEANT4 Class file
//
//
// File name:  G4RayleighAngularGenerator
//
// Author:     Ivantchenko  (antoni@cern.ch, vnivanch@cern.ch)
//             modified fit formulas from Dermott E. Cullen, 
//             Nucl. Instrum. Meth. Phys. Res. B v.101, (4),499-510. 
//            
// 
// Creation date: 31 May 2012
//
// Modifications: 
//
//
// Class Description: 
//
// Class for Rayleigh Scattering angle sampling
//
// -------------------------------------------------------------------
//
 
#ifndef G4RayleighAngularGenerator_h
#define G4RayleighAngularGenerator_h 1
 
#include "G4VEmAngularDistribution.hh"
#include "globals.hh"
#include "G4DynamicParticle.hh"
#include "G4ThreeVector.hh"
 
class G4RayleighAngularGenerator : public G4VEmAngularDistribution
{
public:
  explicit G4RayleighAngularGenerator();
  virtual ~G4RayleighAngularGenerator();
 
  G4ThreeVector& SampleDirection(const G4DynamicParticle* dp,
                 G4double out_energy,
                 G4int Z,
                 const G4Material* mat = nullptr) override;
  G4RayleighAngularGenerator & operator=(const  G4RayleighAngularGenerator &right) = delete;
  G4RayleighAngularGenerator(const  G4RayleighAngularGenerator&) = delete;
 
private:
  // static data
  static const G4double PP0[101];
  static const G4double PP1[101];
  static const G4double PP2[101];
  static const G4double PP3[101];
  static const G4double PP4[101];
  static const G4double PP5[101];
  static const G4double PP6[101];
  static const G4double PP7[101];
  static const G4double PP8[101];
 
  G4double fFactor;
  
};
 
 
#endif