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// $Id: MyKleinNishinaCompton.hh,v 1.4 2009/10/25 19:06:26 maire Exp $
// GEANT4 tag $Name: geant4-09-04-beta-01 $
//
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#ifndef MyKleinNishinaCompton_h
#define MyKleinNishinaCompton_h 1

#include "G4KleinNishinaCompton.hh"

class DetectorConstruction;
class MyKleinNishinaMessenger;
class G4ParticleChangeForGamma;

class MyKleinNishinaCompton : public G4KleinNishinaCompton
{

public:

  MyKleinNishinaCompton(DetectorConstruction*,
                        const G4ParticleDefinition* p = 0, 
			const G4String& nam = "myKlein-Nishina");

  virtual ~MyKleinNishinaCompton();
				      
  virtual G4double CrossSectionPerVolume(
                                const G4Material*,
                                const G4ParticleDefinition*,
                                      G4double kinEnergy, 
                                      G4double cut,
                                      G4double emax);

  virtual void SampleSecondaries(std::vector<G4DynamicParticle*>*,
				 const G4MaterialCutsCouple*,
				 const G4DynamicParticle*,
				 G4double tmin,
				 G4double maxEnergy);
				      
  void SetCSFactor(G4double factor) {CrossSectionFactor = factor;};

protected:

  DetectorConstruction*    detector;
  MyKleinNishinaMessenger* pMessenger;
  G4double  CrossSectionFactor;

};

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#endif