G4INCLCrossSectionsINCL46.hh

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//
// INCL++ intra-nuclear cascade model
// Pekka Kaitaniemi, CEA and Helsinki Institute of Physics
// Davide Mancusi, CEA
// Alain Boudard, CEA
// Sylvie Leray, CEA
// Joseph Cugnon, University of Liege
//
#define INCLXX_IN_GEANT4_MODE 1

#include "globals.hh"

/** \file G4INCLCrossSectionsINCL46.hh
 * \brief Cross sections used in INCL4.6
 *
 * \date 25nd October 2013
 * \author Davide Mancusi
 */

#ifndef G4INCLCROSSSECTIONSINCL46_HH
#define G4INCLCROSSSECTIONSINCL46_HH

#include "G4INCLICrossSections.hh"

namespace G4INCL {
  /// \brief Cross sections used in INCL4.6
 
  class CrossSectionsINCL46 : public ICrossSections{
    public:

      /// \brief Elastic particle-particle cross section
      virtual G4double elastic(Particle const * const p1, Particle const * const p2);

      /// \brief Total (elastic+inelastic) particle-particle cross section
      virtual G4double total(Particle const * const p1, Particle const * const p2);

      /// \brief Total (elastic+inelastic) pion-nucleon cross section
      virtual G4double pionNucleon(Particle const * const p1, Particle const * const p2);

      /// \brief Cross section for NDelta->NN
      virtual G4double recombination(Particle const * const p1, Particle const * const p2);

      /// \brief Cross section for NN->NDelta
      virtual G4double deltaProduction(Particle const * const p1, Particle const * const p2);

      /** \brief Calculate the slope of the NN DDXS.
       *
       * \param energyCM energy in the CM frame, in MeV
       * \param iso total isospin of the system
       *
       * \return the slope of the angular distribution
       */
      virtual G4double calculateNNAngularSlope(G4double energyCM, G4int iso);

    protected:

      /// \brief Internal implementation of the elastic cross section
      G4double elasticNNLegacy(Particle const * const part1, Particle const * const part2);

      /// \brief Internal function for the delta-production cross section
      G4double deltaProduction(const G4int isospin, const G4double pLab);

      G4double spnPiPlusPHE(const G4double x);
      G4double spnPiMinusPHE(const G4double x);
  };
}

#endif