G4INCLPhaseSpaceKopylov.hh

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//
// INCL++ intra-nuclear cascade model
// Alain Boudard, CEA-Saclay, France
// Joseph Cugnon, University of Liege, Belgium
// Jean-Christophe David, CEA-Saclay, France
// Pekka Kaitaniemi, CEA-Saclay, France, and Helsinki Institute of Physics, Finland
// Sylvie Leray, CEA-Saclay, France
// Davide Mancusi, CEA-Saclay, France
//
#define INCLXX_IN_GEANT4_MODE 1
 
#include "globals.hh"
 
#ifndef G4INCLPHASESPACEKOPYLOV_HH
#define G4INCLPHASESPACEKOPYLOV_HH
 
#include "G4INCLThreeVector.hh"
#include "G4INCLParticle.hh"
#include "G4INCLIPhaseSpaceGenerator.hh"
#include <vector>
 
namespace G4INCL {
  /// \brief Generate momenta using the Kopylov method
  class PhaseSpaceKopylov : public IPhaseSpaceGenerator {
 
    public:
      /** \brief Generate momenta according to a uniform, non-Lorentz-invariant phase-space model
       *
       * This function will assign momenta to the particles in the list that is
       * passed as an argument. The event is generated in the CM frame.
       *
       * \param sqrtS total centre-of-mass energy of the system
       * \param particles list of particles
       */
      void generate(const G4double sqrtS, ParticleList &particles);
 
    private:
      /// \brief Internal function used by the Kopylov algorithm
      G4double betaKopylov(G4int K) const;
 
      std::vector<G4double> masses;
      std::vector<G4double> sumMasses;
      ThreeVector PFragCM, PRestCM;
      ThreeVector boostV;
  };
}
 
#endif // G4INCLPHASESPACEKOPYLOV_HH