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//
// -------------------------------------------------------------------
//      GEANT 4 class header file 
//
//      CERN, Geneva, Switzerland
//
//      File name:     G4SigmaMinusField.hh
//
//      Author:        Alessandro Brunengo (Alessandro.Brunengo@ge.infn.it)
// 
//      Creation date: 5 June 2000
// -------------------------------------------------------------------

#ifndef G4SigmaMinusField_h
#define  G4SigmaMinusField_h 1

#include <CLHEP/Units/SystemOfUnits.h>

#include "G4VNuclearField.hh"

class G4SigmaMinusField: public G4VNuclearField
{
public:
  G4SigmaMinusField(G4V3DNucleus * nucleus, G4double coeff = 0.36*CLHEP::fermi);
  virtual ~G4SigmaMinusField();

private:
  G4SigmaMinusField(const  G4SigmaMinusField &right);
  const G4SigmaMinusField & operator=(const G4SigmaMinusField & right);
  G4bool operator==(const G4SigmaMinusField & right) const;
  G4bool operator!=(const G4SigmaMinusField & right) const;

public:
  virtual G4double GetField(const G4ThreeVector & aPosition);
  virtual G4double GetBarrier();
  virtual G4double GetCoeff() { return theCoeff; }

private:
  G4double theCoeff;
};

#endif



