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// $Id: G4PolarizedGammaConversion.hh,v 1.2 2007/05/23 08:52:20 vnivanch Exp $
// GEANT4 tag $Name: geant4-09-03-cand-01 $
//
// -------------------------------------------------------------------
//
//
// File name:     G4PolarizedGammaConversion
//
// Author:        Karim Laihem based on code by Michel Maire
//
// Creation date: 01.05.2005
//
// Modifications:
// 21-08-06 Modified to work in g4.8.1 framework (A.Schaelicke)
//
// Class Description:
//
// polarized version of G4GammaConversion

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#ifndef G4PolarizedGammaConversion_h
#define G4PolarizedGammaConversion_h 1

#include "globals.hh"
#include "G4VEmProcess.hh"
#include "G4Gamma.hh"

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class G4ParticleDefinition;
class G4VEmModel;
class G4MaterialCutsCouple;
class G4DynamicParticle;

class G4PolarizedGammaConversion : public G4VEmProcess

{
public:  // with description

  G4PolarizedGammaConversion(const G4String& processName ="pol-conv",
			     G4ProcessType type = fElectromagnetic);

  virtual ~G4PolarizedGammaConversion();

  // true for Gamma only.
  G4bool IsApplicable(const G4ParticleDefinition&);

  // Print few lines of informations about the process: validity range,
  virtual void PrintInfo();

protected:

  virtual void InitialiseProcess(const G4ParticleDefinition*);

private:
  
  // hide assignment operator as private 
  G4PolarizedGammaConversion& operator=(const G4PolarizedGammaConversion &right);
  G4PolarizedGammaConversion(const G4PolarizedGammaConversion& );
     
  G4bool          isInitialised;
};

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inline G4bool G4PolarizedGammaConversion::IsApplicable(const G4ParticleDefinition& p)
{
  return (&p == G4Gamma::Gamma());
}


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#endif
 
