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//
// $Id: G4eCrossSectionExcitationEmfietzoglou.hh,v 1.1 2007/05/02 17:18:48 pia Exp $
// GEANT4 tag $Name: geant4-09-04-ref-00 $
// 
// 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
// Reference for implementation model: NIM. 155, pp. 145-156, 1978
// Further documentation available from http://www.ge.infn.it/geant4/dna

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


#ifndef G4ECROSSSECTIONEXCITATIONEMFIETZOGLOU_HH
#define G4ECROSSSECTIONEXCITATIONEMFIETZOGLOU_HH 1
 
#include "globals.hh"
#include "G4Track.hh"
 
 class G4eCrossSectionExcitationEmfietzoglou
 {
  public:

   G4eCrossSectionExcitationEmfietzoglou();
 
   virtual ~G4eCrossSectionExcitationEmfietzoglou();
   
   G4double CrossSection(const G4Track&);

   // Copy constructor and assignment operator to be added here

 private:
   
   G4double EnergyConstant(G4int excitationLevel);
   G4double PartialCrossSection(G4double k, G4int excitationLevel);
   G4int RandomizePartialCrossSection(G4double k);
 
   G4String name;  
   G4double lowEnergyLimit;
   G4double highEnergyLimit;

 };


#endif