G4LivermoreRayleighModel.hh

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// Author: Sebastien Incerti
//         31 March 2012
//         on base of G4LivermoreRayleighModel
//

#ifndef G4LivermoreRayleighModel_h
#define G4LivermoreRayleighModel_h 1

#include "G4VEmModel.hh"
#include "G4ParticleChangeForGamma.hh"
#include "G4LPhysicsFreeVector.hh"
#include "G4ProductionCutsTable.hh"

class G4LivermoreRayleighModel : public G4VEmModel
{

public:

  G4LivermoreRayleighModel();

  virtual ~G4LivermoreRayleighModel();

  virtual void Initialise(const G4ParticleDefinition*, const G4DataVector&);

  virtual G4double ComputeCrossSectionPerAtom(
                                const G4ParticleDefinition*,
                                      G4double kinEnergy, 
                                      G4double Z, 
                                      G4double A=0, 
                                      G4double cut=0,
                                      G4double emax=DBL_MAX);

  virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
                 const G4MaterialCutsCouple*,
                 const G4DynamicParticle*,
                 G4double tmin,
                 G4double maxEnergy);

  inline void SetLowEnergyThreshold(G4double);

private:

  void ReadData(size_t Z, const char* path = 0);

  G4LivermoreRayleighModel & operator=(const G4LivermoreRayleighModel &right);
  G4LivermoreRayleighModel(const G4LivermoreRayleighModel&);

  G4bool isInitialised;
  G4int maxZ;
  G4int verboseLevel;

  G4double lowEnergyLimit;  

  std::vector<G4LPhysicsFreeVector*> dataCS;

  G4ParticleChangeForGamma* fParticleChange;

};

inline void G4LivermoreRayleighModel::SetLowEnergyThreshold(G4double val)
{
  lowEnergyLimit = val;
}

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#endif