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//
// $Id: G4WaterIonisationStructure.hh,v 1.1 2007/11/08 20:38:40 pia Exp $
// GEANT4 tag $Name: geant4-09-03 $
// 
// Contact Author: Maria Grazia Pia (Maria.Grazia.Pia@cern.ch)
//
// History:
// -----------
// Date         Name              Modification
// 28 Apr 2007  M.G. Pia          Created in compliance with design described in TNS paper
//
// -------------------------------------------------------------------

// Class description:
// Geant4-DNA Cross total cross section for electron elastic scattering in water
// Reference: TNS Geant4-DNA paper
// S. Chauvie et al., Geant4 physics processes for microdosimetry simulation:
// design foundation and implementation of the first set of models,
// IEEE Trans. Nucl. Sci., vol. 54, no. 6, Dec. 2007.
// Reference for implementation model: NIM. 155, pp. 145-156, 1978
// Further documentation available from http://www.ge.infn.it/geant4/dna

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


#ifndef G4WATERIONISATIONSTRUCTURE_HH
#define G4WATERIONISATIONSTRUCTURE_HH 1
 
#include "globals.hh"
#include <vector>

 
class G4WaterIonisationStructure
{
public:
  
  G4WaterIonisationStructure();
  
  virtual ~G4WaterIonisationStructure();
  
  G4double IonisationEnergy(G4int level);

  G4int NumberOfLevels() { return nLevels; }
  
  // Copy constructor and assignment operator to be added here
    
private:
   
 // Number of Ionisation levels of the water molecule
 G4int nLevels;

  std::vector<G4double> energyConstant;
  
};

#endif
