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// $Id: G4WaterIonisationStructure.cc,v 1.1 2007/11/08 20:39:35 pia Exp $
// GEANT4 tag $Name: geant4-09-04-beta-cand-01 $
// 
// Contact Author: Maria Grazia Pia (Maria.Grazia.Pia@cern.ch)
//
// Reference: TNS Geant4-DNA paper
// Reference for implementation model: NIM. 155, pp. 145-156, 1978

// 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.
// Further documentation available from http://www.ge.infn.it/geant4/dna

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


#include "G4WaterIonisationStructure.hh"

G4WaterIonisationStructure::G4WaterIonisationStructure(): nLevels(5)
{
  energyConstant.push_back(10.79*eV);
  energyConstant.push_back(13.39*eV);
  energyConstant.push_back(16.05*eV);
  energyConstant.push_back(32.30*eV);
  energyConstant.push_back(539.0*eV);

  nLevels = energyConstant.size();
}


G4WaterIonisationStructure::~G4WaterIonisationStructure()
{ }
 

G4double G4WaterIonisationStructure::IonisationEnergy(G4int level)
{
  G4double ionisation = 0.;

  if (level >=0 && level < nLevels) ionisation = energyConstant[level];

  return ionisation;
}