G4PolarizedComptonModel.hh

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// $Id: G4PolarizedComptonModel.hh 96114 2016-03-16 18:51:33Z gcosmo $
//
// -------------------------------------------------------------------
//
// GEANT4 Class header file
//
//
// File name:     G4PolarizedComptonModel
//
// Author:        Andreas Schaelicke
//
// Creation date: 01.05.2005
//
// Modifications:
// 18-07-06 use newly calculated cross sections (P. Starovoitov)
// 21-08-05 update interface (A. Schaelicke)
//
//
// Class Description:
//
// Implementation of polarized gamma Compton scattering on free electron
// 

// -------------------------------------------------------------------
//

#ifndef G4PolarizedComptonModel_h
#define G4PolarizedComptonModel_h 1

#include "G4KleinNishinaCompton.hh"
#include "G4StokesVector.hh"

class G4ParticleChangeForGamma;
class G4PolarizedComptonCrossSection;

class G4PolarizedComptonModel : public G4KleinNishinaCompton
{

public:

  explicit G4PolarizedComptonModel(const G4ParticleDefinition* p = nullptr,
      const G4String& nam = "Polarized-Compton");

  virtual G4double ComputeCrossSectionPerAtom(
                                const G4ParticleDefinition*,
                                      G4double kinEnergy, 
                                      G4double Z, 
                                      G4double A, 
                                      G4double cut,
                                      G4double emax) override;
  G4double ComputeAsymmetryPerAtom(G4double gammaEnergy, G4double Z);
  virtual ~G4PolarizedComptonModel();

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

  // polarized routines 
  inline void SetTargetPolarization(const G4ThreeVector & pTarget);
  inline void SetBeamPolarization(const G4ThreeVector & pBeam);
  inline const G4ThreeVector & GetTargetPolarization() const;
  inline const G4ThreeVector & GetBeamPolarization() const;
  inline const G4ThreeVector & GetFinalGammaPolarization() const;
  inline const G4ThreeVector & GetFinalElectronPolarization() const;
private:

  void PrintWarning(const G4DynamicParticle*, G4int, G4double grej, 
        G4double onecos, G4double phi, const G4String) const;

  // hide assignment operator
  G4PolarizedComptonModel & operator=(const  G4PolarizedComptonModel &right) = delete;
  G4PolarizedComptonModel(const  G4PolarizedComptonModel&) = delete;

  G4PolarizedComptonCrossSection * crossSectionCalculator;
  // incomming
  G4StokesVector theBeamPolarization;    // photon
  G4StokesVector theTargetPolarization;  // electron
  // outgoing
  G4StokesVector finalGammaPolarization;
  G4StokesVector finalElectronPolarization;

  G4int verboseLevel;
};

//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....

inline void G4PolarizedComptonModel::SetTargetPolarization(const G4ThreeVector & pTarget)
{
  theTargetPolarization = pTarget;
}
inline void G4PolarizedComptonModel::SetBeamPolarization(const G4ThreeVector & pBeam)
{
  theBeamPolarization = pBeam;
}
inline const G4ThreeVector & G4PolarizedComptonModel::GetTargetPolarization() const
{
  return theTargetPolarization;
}
inline const G4ThreeVector & G4PolarizedComptonModel::GetBeamPolarization() const
{
  return theBeamPolarization;
}
inline const G4ThreeVector &  G4PolarizedComptonModel::GetFinalGammaPolarization() const
{
  return finalGammaPolarization;
}
inline const G4ThreeVector & G4PolarizedComptonModel::GetFinalElectronPolarization() const
{
  return finalElectronPolarization;
}

#endif