G4PolarizedMollerBhabhaModel.hh

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// $Id$
// -------------------------------------------------------------------
//
// GEANT4 Class header file
//
//
// File name:     G4PolarizedMollerBhabhaModel
//
// Author:        A.Schaelicke on base of Vladimir Ivanchenko code
//
// Creation date: 10.11.2005
//
// Modifications:
//
// 20-08-05, modified interface (A.Schaelicke)
//
//
// Class Description:
//
// Physics implementation of polarized Bhabha/Moller scattering
//
// -------------------------------------------------------------------
//
 
#ifndef G4PolarizedMollerBhabhaModel_h
#define G4PolarizedMollerBhabhaModel_h 1
 
#include "G4VEmModel.hh"
#include "G4MollerBhabhaModel.hh"
#include "G4StokesVector.hh"
 
class G4VPolarizedCrossSection;
 
class G4PolarizedMollerBhabhaModel : public G4MollerBhabhaModel
{
 
public:
 
  G4PolarizedMollerBhabhaModel(const G4ParticleDefinition* p =0, 
                 const G4String& nam = "PolarizedMollerBhabha");
 
  virtual ~G4PolarizedMollerBhabhaModel();
 
  virtual G4double ComputeCrossSectionPerElectron(
                                const G4ParticleDefinition*,
                                      G4double kinEnergy, 
                                      G4double cut,
                                      G4double emax);
 
  virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
                 const G4MaterialCutsCouple*,
                 const G4DynamicParticle*,
                 G4double tmin,
                 G4double maxEnergy);
 
 
  // polarization access routines (may go if using a modified ParticleChange)
 
  void SetTargetPolarization(const G4ThreeVector & pTarget)
  {
    theTargetPolarization = pTarget;
  }
  void SetBeamPolarization(const G4ThreeVector & pBeam)
  {
    theBeamPolarization = pBeam;
  }
  const G4StokesVector & GetTargetPolarization()
  {
    return theTargetPolarization;
  }
  const G4StokesVector & GetBeamPolarization()
  {
    return theBeamPolarization;
  }
  const G4StokesVector & GetFinalElectronPolarization()
  {
    return fElectronPolarization;
  }
  const G4StokesVector &  GetFinalPositronPolarization()
  {
    return fPositronPolarization;
  }
private:
 
  // copy constructor and hide assignment operator
  G4PolarizedMollerBhabhaModel(G4PolarizedMollerBhabhaModel &);
  G4PolarizedMollerBhabhaModel & operator=(const G4PolarizedMollerBhabhaModel &right);
 
  G4StokesVector theBeamPolarization;
  G4StokesVector theTargetPolarization;
 
  G4VPolarizedCrossSection * crossSectionCalculator;
 
  G4StokesVector fPositronPolarization;
  G4StokesVector fElectronPolarization;
};
 
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#endif