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// $Id: G4eeToPGammaModel.hh,v 1.2 2009/02/20 16:38:33 vnivanch Exp $
// GEANT4 tag $Name: geant4-09-02-ref-02 $
//
// -------------------------------------------------------------------
//
// GEANT4 Class header file
//
//
// File name:     G4eeToPGammaModel
//
// Author:        Vladimir Ivanchenko
//
// Creation date: 10.07.2008
//
// Modifications:
//

//
// Class Description:
//

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

#ifndef G4eeToPGammaModel_h
#define G4eeToPGammaModel_h 1

#include "G4Vee2hadrons.hh"
#include "globals.hh"
#include "G4eeCrossSections.hh"
#include "G4ParticleDefinition.hh"

class G4DynamicParticle;
class G4PhysicsVector;

class G4eeToPGammaModel : public G4Vee2hadrons
{

public:

  G4eeToPGammaModel(G4eeCrossSections*, const G4String&);

  virtual ~G4eeToPGammaModel();

  virtual G4double ThresholdEnergy() const;

  virtual G4double PeakEnergy() const;

  virtual G4double ComputeCrossSection(G4double) const;

  virtual G4PhysicsVector* PhysicsVector(G4double, G4double) const;

  virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
              G4double, const G4ThreeVector&);

private:

  // hide assignment operator
  G4eeToPGammaModel & operator=(const  G4eeToPGammaModel &right);
  G4eeToPGammaModel(const  G4eeToPGammaModel&);

  G4eeCrossSections* cross;

  G4ParticleDefinition* particle;
  G4ParticleDefinition* pi0;

  G4double massP;
  G4double massR;

};

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#endif