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//
// Calculation of the total, elastic and inelastic cross-sections
// based on parametrisations of (proton, pion, kaon, photon) nucleon
// cross-sections and the hadron-nucleous cross-section model in 
// the framework of Glauber-Gribov approach
//
//
//
//
//
// 14.03.07 V. Grichine - first implementation
//
//

#ifndef G4HadronNucleonXsc_h
#define G4HadronNucleonXsc_h

#include "globals.hh"
#include "G4Proton.hh"
#include "G4Nucleus.hh"


class G4ParticleDefinition;
class G4DynamicParticle;

class G4HadronNucleonXsc 
{
public:

  G4HadronNucleonXsc ();
  virtual ~G4HadronNucleonXsc ();
   
  virtual
  G4bool IsApplicable(const G4DynamicParticle* aDP, const G4Element*);

  virtual
  G4bool IsZAApplicable(const G4DynamicParticle* aDP, G4double Z, G4double A);

  virtual
  void DumpPhysicsTable(const G4ParticleDefinition&) 
  {G4cout << "G4HadronNucleonXsc: uses parametrisation"<<G4endl;}

  // Xsc parametrisations

  G4double GetHadronNucleonXscEL(const G4DynamicParticle*, const G4ParticleDefinition*);

  G4double GetHadronNucleonXscPDG(const G4DynamicParticle*, const G4ParticleDefinition*);

  G4double GetHadronNucleonXscNS(const G4DynamicParticle*, const G4ParticleDefinition*);

  G4double GetHadronNucleonXscVU(const G4DynamicParticle*, const G4ParticleDefinition*);

  // kinematics and set/get

  G4double CalculateEcmValue ( const G4double , const G4double , const G4double ); 

  G4double CalcMandelstamS( const G4double , const G4double , const G4double );

  G4double GetTotalHadronNucleonXsc()    { return fTotalXsc;     }; 
  G4double GetElasticHadronNucleonXsc()  { return fElasticXsc;   }; 
  G4double GetInelasticHadronNucleonXsc(){ return fInelasticXsc; }; 

private:

  const G4double fUpperLimit;
  const G4double fLowerLimit; 

  G4double fTotalXsc, fElasticXsc, fInelasticXsc;
  G4double fHadronNucleonXsc;
 
  G4ParticleDefinition* theGamma;
  G4ParticleDefinition* theProton;
  G4ParticleDefinition* theNeutron;
  G4ParticleDefinition* theAProton;
  G4ParticleDefinition* theANeutron;
  G4ParticleDefinition* thePiPlus;
  G4ParticleDefinition* thePiMinus;
  G4ParticleDefinition* thePiZero;
  G4ParticleDefinition* theKPlus;
  G4ParticleDefinition* theKMinus;
  G4ParticleDefinition* theK0S;
  G4ParticleDefinition* theK0L;
  G4ParticleDefinition* theL;
  G4ParticleDefinition* theAntiL;
  G4ParticleDefinition* theSPlus;
  G4ParticleDefinition* theASPlus;
  G4ParticleDefinition* theSMinus;
  G4ParticleDefinition* theASMinus;
  G4ParticleDefinition* theS0;
  G4ParticleDefinition* theAS0;
  G4ParticleDefinition* theXiMinus;
  G4ParticleDefinition* theXi0;
  G4ParticleDefinition* theAXiMinus;
  G4ParticleDefinition* theAXi0;
  G4ParticleDefinition* theOmega;
  G4ParticleDefinition* theAOmega;
  G4ParticleDefinition* theD;
  G4ParticleDefinition* theT;
  G4ParticleDefinition* theA;
  G4ParticleDefinition* theHe3;

};


#endif