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//
// $Id: G4CrossSectionChargeTransferExp.hh,v 1.2 2008/03/25 16:00:20 pia Exp $
// GEANT4 tag $Name: geant4-09-04-beta-cand-01 $
// 
// Contact Author: Maria Grazia Pia (Maria.Grazia.Pia@cern.ch)
//
// History:
// -----------
// Date         Name              Modification
// 28 Dec 2007  M.G. Pia          Created
//
// -------------------------------------------------------------------

// Class description:

// Total cross section for charge transfer from experimental data interpolation
//            http://www-cfadc.phy.ornl.gov/astro/ps/data/
// Further documentation available from http://www.ge.infn.it/geant4/

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

#ifndef G4CROSSSECTIONCHARGETRANSFEREXP_HH
#define G4CROSSSECTIONCHARGETRANSFEREXP_HH 1
 
#include "globals.hh"
#include <map>

class G4Track;
class G4VEMDataSet;
 
class G4CrossSectionChargeTransferExp
{
public:
  
  G4CrossSectionChargeTransferExp();
  
  virtual ~G4CrossSectionChargeTransferExp();
  
  G4double CrossSection(const G4Track&);
  
  // Copy constructor and assignment operator to be added here
    
private:
   
  G4String name;  
  G4double lowEnergyLimit;
  G4double highEnergyLimit;
  
  G4double unit1;
  G4double unit2;
 
  std::map<G4String,G4VEMDataSet*,std::less<G4String> > crossMap;

  G4VEMDataSet* LoadData(const G4String& dataFile);

};

#endif
