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// $Id: G4EvaporationLevelDensityParameter.hh,v 1.5 2009/03/04 11:05:02 gcosmo Exp $
// GEANT4 tag $Name: geant4-09-03 $
//
// Hadronic Process: Nuclear De-excitations
// by V. Lara (Oct 1998) 
//



#ifndef G4EvaporationLevelDensityParameter_h
#define G4EvaporationLevelDensityParameter_h 1


#include "G4VLevelDensityParameter.hh"
#include "G4CameronTruranHilfShellCorrections.hh"

class G4EvaporationLevelDensityParameter : public G4VLevelDensityParameter
{
public:

  G4EvaporationLevelDensityParameter();

  virtual ~G4EvaporationLevelDensityParameter();

private:  
	
  G4EvaporationLevelDensityParameter(const G4EvaporationLevelDensityParameter &right);

  const G4EvaporationLevelDensityParameter & operator=(const G4EvaporationLevelDensityParameter &right);
  G4bool operator==(const G4EvaporationLevelDensityParameter &right) const;
  G4bool operator!=(const G4EvaporationLevelDensityParameter &right) const;
  
public:
  G4double LevelDensityParameter(const G4int A,const G4int Z,const G4double U) const;

private:

  G4double ShellCorrection(const G4int Z, const G4int N) const
  { 
    G4CameronTruranHilfShellCorrections* SPtr = G4CameronTruranHilfShellCorrections::GetInstance();
    return SPtr->GetShellZ(Z) + SPtr->GetShellN(N);
  }
		  		
private:

  static const G4double ConstEvapLevelDensityParameter;
  static const G4double alpha;
  static const G4double beta;
  static const G4double gamma;
  static const G4double Bs;
};


#endif
