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//
// $Id: $
//
// Author:      D.H. Wright (SLAC)
// Date:        1 February 2011
//
// Modified:
//
// 19 Aug 2011, V.Ivanchenko move to new design and make x-section per element
//

//
// Description: use Kokoulin's parameterized calculation of virtual 
//              photon production cross section and conversion to
//              real photons.

#ifndef G4KokoulinMuonNuclearXS_h
#define G4KokoulinMuonNuclearXS_h 1

#include "G4VCrossSectionDataSet.hh"
#include "G4DynamicParticle.hh"
#include "G4Element.hh"
#include "G4MuonMinus.hh"
#include "G4MuonPlus.hh"
#include "G4NucleiProperties.hh"
#include <vector>


class G4PhysicsTable;

class G4KokoulinMuonNuclearXS : public G4VCrossSectionDataSet
{
public:

  G4KokoulinMuonNuclearXS();
  virtual ~G4KokoulinMuonNuclearXS();


  G4bool IsElementApplicable(const G4DynamicParticle* particle, 
			     G4int Z, const G4Material*);

  G4double GetElementCrossSection(const G4DynamicParticle* particle,
				  G4int Z, const G4Material*);

  void BuildCrossSectionTable();

  G4double
  ComputeDDMicroscopicCrossSection(G4double incidentKE, G4double,
                                   G4double AtomicWeight, G4double epsilon);

private:

  G4double
  ComputeMicroscopicCrossSection(G4double incidentKE,
                                 G4double AtomicNumber, G4double AtomicWeight);

  G4PhysicsTable* theCrossSectionTable;

  G4double LowestKineticEnergy;
  G4double HighestKineticEnergy;
  G4int TotBin;
  G4double CutFixed;

  std::map<G4int,G4int> zelMap;
};

#endif