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//
// The total muon (anti)neutrino-nucleus cross sections in the
// simplified form as A-multiplied nu_mu-nucleon cross-sections
//
// 14.08.17 V. Grichine
//
//

#ifndef G4MuNeutrinoNucleusTotXsc_h
#define G4MuNeutrinoNucleusTotXsc_h


#include "globals.hh"
#include "G4VCrossSectionDataSet.hh"

class G4ParticleDefinition;

class G4MuNeutrinoNucleusTotXsc : public G4VCrossSectionDataSet
{
public:
   
  G4MuNeutrinoNucleusTotXsc();
  ~G4MuNeutrinoNucleusTotXsc();

  virtual
  G4bool IsIsoApplicable(const G4DynamicParticle*, G4int Z, G4int A, const G4Element*, const G4Material*);
  
  virtual
  G4bool IsElementApplicable(const G4DynamicParticle*, G4int , const G4Material*){ return true; };


  // virtual G4double GetElementCrossSection(const G4DynamicParticle*, G4int Z, const G4Material*);
  virtual G4double GetElementCrossSection(const G4DynamicParticle* dynPart,
					       G4int Z,
					  const G4Material* mat);
  virtual
  G4double GetIsoCrossSection(const G4DynamicParticle* aPart, G4int Z, G4int A,  
			      const G4Isotope*,
			      const G4Element*,
			      const G4Material*);

  G4int GetEnergyIndex(G4double energy);
  G4double GetNuMuTotCsXsc(G4int index, G4double energy);
  G4double GetANuMuTotCsXsc(G4int index, G4double energy);

  G4double GetNuMuTotCsArray(G4int index);
  G4double GetANuMuTotCsArray(G4int index);

  void SetCutEnergy(G4double ec){fCutEnergy=ec;};
  G4double GetCutEnergy(){return fCutEnergy;};

  void SetBiasingFactor(G4double bf){fBiasingFactor=bf;};
  G4double GetBiasingFactor(){return fBiasingFactor;};

  G4double GetTotXsc(){return fTotXsc;};
  G4double GetCcTotRatio(){return fCcTotRatio;};

protected:

  G4double fCofXsc;    // 2*Gf*Gf*MeC2/pi
  G4double fSin2tW;    // sin^2theta_Weinberg
  G4double fCofS, fCofL;
  G4double fCutEnergy; // minimal recoil electron energy detected
  G4double fBiasingFactor; // biasing xsc up
  G4double fTotXsc, fCcTotRatio, fCcFactor, fNcFactor;

  G4int fIndex;

  static const G4double fNuMuEnergy[50];
  static const G4double fNuMuTotXsc[50];
  static const G4double fANuMuTotXsc[50];

  G4ParticleDefinition* theMuonMinus;
  G4ParticleDefinition* theMuonPlus;
};

#endif
