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// $Id$
//
// -------------------------------------------------------------------
//
// GEANT4 Class header file
//
//
// File name:     G4BetheBlochIonGasModel
//
// Author:        Vladimir Ivanchenko 
//
// Creation date: 20.05.2010
//
// Modifications:
//
// Class Description:
//
// Implementation of Bethe-Bloch model energy loss and delta-electron production
// by heavy positive partially stripted ion. Effective charge is not used,
// dynamic charge should be sampled by a dedicated charge exchange process

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

#ifndef G4BetheBlochIonGasModel_h
#define G4BetheBlochIonGasModel_h 1

#include "G4BetheBlochModel.hh"

class G4BetheBlochIonGasModel : public G4BetheBlochModel
{

public:

  G4BetheBlochIonGasModel(const G4ParticleDefinition* p = 0,
			  const G4String& nam = "BetheBlochGasIon");

  virtual ~G4BetheBlochIonGasModel();

  virtual G4double ChargeSquareRatio(const G4Track& track);

  virtual G4double GetParticleCharge(const G4ParticleDefinition* p,
				     const G4Material* mat,
				     G4double kineticEnergy);

private:

  // hide assignment operator
  G4BetheBlochIonGasModel & operator=(const  G4BetheBlochIonGasModel &right);
  G4BetheBlochIonGasModel(const  G4BetheBlochIonGasModel&);

  G4double currentCharge;
};

#endif