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// Neutrino electron elastic (neutral current) cross sections
//
// 02.04.17 V. Grichine
//
//

#ifndef G4NeutrinoElectronNcXsc_h
#define G4NeutrinoElectronNcXsc_h


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

class G4NeutrinoElectronNcXsc : public G4VCrossSectionDataSet
{
public:
   
  G4NeutrinoElectronNcXsc();
  ~G4NeutrinoElectronNcXsc();

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


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

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

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

protected:

  G4double fCofXsc;    // 2*Gf*Gf*MeC2/pi
  G4double fSin2tW;    // sin^2theta_Weinberg
  G4double fCutEnergy; // minimal recoil electron energy detected
  G4double fBiasingFactor; // biasing xsc up
};

#endif
