G4INCLInteractionAvatar.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"
 
/* \file G4INCLInteractionAvatar.hh
 * \brief Virtual class for interaction avatars.
 *
 * This class is inherited by decay and collision avatars. The goal is to
 * provide a uniform treatment of common physics, such as Pauli blocking,
 * enforcement of energy conservation, etc.
 *
 *  \date Mar 1st, 2011
 * \author Davide Mancusi
 */
 
#ifndef G4INCLINTERACTIONAVATAR_HH_
#define G4INCLINTERACTIONAVATAR_HH_
 
#include "G4INCLIAvatar.hh"
#include "G4INCLNucleus.hh"
#include "G4INCLFinalState.hh"
#include "G4INCLRootFinder.hh"
#include "G4INCLKinematicsUtils.hh"
#include "G4INCLAllocationPool.hh"
 
namespace G4INCL {
 
  class InteractionAvatar : public G4INCL::IAvatar {
    public:
      InteractionAvatar(G4double, G4INCL::Nucleus*, G4INCL::Particle*);
      InteractionAvatar(G4double, G4INCL::Nucleus*, G4INCL::Particle*, G4INCL::Particle*);
      virtual ~InteractionAvatar();
 
      static const G4double locEAccuracy;
      static const G4int maxIterLocE;
 
      static void deleteBackupParticles();
 
    protected:
      virtual G4INCL::IChannel* getChannel() = 0;
 
      G4bool bringParticleInside(Particle * const p);
 
      void preInteractionLocalEnergy(Particle * const p);
 
      void preInteractionBlocking();
 
      void preInteraction();
      void postInteraction(FinalState *);
 
      void restoreParticles() const;
 
      G4bool shouldUseLocalEnergy() const;
 
      Nucleus *theNucleus;
      Particle *particle1, *particle2;
      static G4ThreadLocal Particle *backupParticle1, *backupParticle2;
      ThreeVector boostVector;
      G4double oldTotalEnergy, oldXSec;
      G4bool isPiN;
      G4double weight;
 
    private:
      class ViolationEMomentumFunctor : public RootFunctor {
        public:
          ViolationEMomentumFunctor(Nucleus * const nucleus, ParticleList const &modAndCre, const G4double totalEnergyBeforeInteraction, ThreeVector const &boost, const G4bool localE);
          virtual ~ViolationEMomentumFunctor();
 
          G4double operator()(const G4double x) const;
 
          void cleanUp(const G4bool success) const;
 
        private:
          ParticleList finalParticles;
          std::vector<ThreeVector> particleMomenta;
          G4double initialEnergy;
          Nucleus *theNucleus;
          ThreeVector const &boostVector;
 
          const G4bool shouldUseLocalEnergy;
 
          void scaleParticleMomenta(const G4double alpha) const;
 
      };
 
      class ViolationEEnergyFunctor : public RootFunctor {
        public:
          ViolationEEnergyFunctor(Nucleus * const nucleus, Particle * const aParticle, const G4double totalEnergyBeforeInteraction, const G4bool localE);
          virtual ~ViolationEEnergyFunctor() {}
 
          G4double operator()(const G4double x) const;
 
          void cleanUp(const G4bool success) const;
 
          void setParticleEnergy(const G4double energy) const;
 
        private:
          G4double initialEnergy;
          Nucleus *theNucleus;
          Particle *theParticle;
          G4double theEnergy;
          ThreeVector theMomentum;
          G4double energyThreshold;
          const G4bool shouldUseLocalEnergy;
      };
 
      RootFunctor *violationEFunctor;
 
    protected:
      G4bool enforceEnergyConservation(FinalState * const fs);
 
      ParticleList modified, created, modifiedAndCreated, Destroyed, ModifiedAndDestroyed;
 
      INCL_DECLARE_ALLOCATION_POOL(InteractionAvatar)
  };
 
}
 
#endif /* G4INCLINTERACTIONAVATAR_HH_ */