G4INCLNNToNSK2piChannel.cc

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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"

#include "G4INCLNNToNSK2piChannel.hh"
#include "G4INCLKinematicsUtils.hh"
#include "G4INCLBinaryCollisionAvatar.hh"
#include "G4INCLRandom.hh"
#include "G4INCLGlobals.hh"
#include "G4INCLLogger.hh"
#include <algorithm>
#include "G4INCLPhaseSpaceGenerator.hh"

namespace G4INCL {
  
  const G4double NNToNSK2piChannel::angularSlope = 2.; // What is the exact effect? Sould be check
  
  NNToNSK2piChannel::NNToNSK2piChannel(Particle *p1, Particle *p2)
    : particle1(p1), particle2(p2)
    {}
  
  NNToNSK2piChannel::~NNToNSK2piChannel(){}
  
  void NNToNSK2piChannel::fillFinalState(FinalState *fs) {
    
    /* Equipartition in all channel with factor N(pi)!
    */
    
    const G4double sqrtS = KinematicsUtils::totalEnergyInCM(particle1, particle2);
    
    const G4int iso = ParticleTable::getIsospin(particle1->getType()) + ParticleTable::getIsospin(particle2->getType());
    
    ParticleType KaonType;
    ParticleType Pion1Type;
    ParticleType Pion2Type;
    
    G4double rdm = Random::shoot();
    
    if(iso == 2){
      if(rdm*20. < 1.){
        particle1->setType(Neutron);
        particle2->setType(SigmaPlus);
        KaonType =  KZero;
        Pion1Type =  PiZero;
        Pion2Type =  PiPlus;
      }
      else if(rdm*20. < 3.){
        particle1->setType(Neutron);
        particle2->setType(SigmaZero);
        KaonType =  KZero;
        Pion1Type =  PiPlus;
        Pion2Type =  PiPlus;
      }
      else if(rdm*20. < 4.){
        particle1->setType(Neutron);
        particle2->setType(SigmaPlus);
        KaonType =  KPlus;
        Pion1Type =  PiMinus;
        Pion2Type =  PiPlus;
      }
      else if(rdm*20. < 6.){
        particle1->setType(Neutron);
        particle2->setType(SigmaPlus);
        KaonType =  KPlus;
        Pion1Type =  PiZero;
        Pion2Type =  PiZero;
      }
      else if(rdm*20. < 7.){
        particle1->setType(Neutron);
        particle2->setType(SigmaZero);
        KaonType =  KPlus;
        Pion1Type =  PiZero;
        Pion2Type =  PiPlus;
      }
      else if(rdm*20. < 9.){
        particle1->setType(Neutron);
        particle2->setType(SigmaMinus);
        KaonType =  KPlus;
        Pion1Type =  PiPlus;
        Pion2Type =  PiPlus;
      }
      else if(rdm*20. < 10.){
        particle1->setType(Proton);
        particle2->setType(SigmaPlus);
        KaonType =  KZero;
        Pion1Type =  PiMinus;
        Pion2Type =  PiPlus;
      }
      else if(rdm*20. < 12.){
        particle1->setType(Proton);
        particle2->setType(SigmaPlus);
        KaonType =  KZero;
        Pion1Type =  PiZero;
        Pion2Type =  PiZero;
      }
      else if(rdm*20. < 13.){
        particle1->setType(Proton);
        particle2->setType(SigmaZero);
        KaonType =  KZero;
        Pion1Type =  PiZero;
        Pion2Type =  PiPlus;
      }
      else if(rdm*20. < 15.){
        particle1->setType(Proton);
        particle2->setType(SigmaMinus);
        KaonType =  KZero;
        Pion1Type =  PiPlus;
        Pion2Type =  PiPlus;
      }
      else if(rdm*20. < 16.){
        particle1->setType(Proton);
        particle2->setType(SigmaPlus);
        KaonType =  KPlus;
        Pion1Type =  PiMinus;
        Pion2Type =  PiZero;
      }
      else if(rdm*20. < 17.){
        particle1->setType(Proton);
        particle2->setType(SigmaZero);
        KaonType =  KPlus;
        Pion1Type =  PiMinus;
        Pion2Type =  PiPlus;
      }
      else if(rdm*20. < 19.){
        particle1->setType(Proton);
        particle2->setType(SigmaZero);
        KaonType =  KPlus;
        Pion1Type =  PiZero;
        Pion2Type =  PiZero;
      }
      else{
        particle1->setType(Proton);
        particle2->setType(SigmaMinus);
        KaonType =  KPlus;
        Pion1Type =  PiZero;
        Pion2Type =  PiPlus;
      }

      
    }if(iso == -2){
      if(rdm*20. < 1.){
        particle1->setType(Neutron);
        particle2->setType(SigmaPlus);
        KaonType =  KZero;
        Pion1Type =  PiMinus;
        Pion2Type =  PiZero;
      }
      else if(rdm*20. < 2.){
        particle1->setType(Neutron);
        particle2->setType(SigmaZero);
        KaonType =  KZero;
        Pion1Type =  PiMinus;
        Pion2Type =  PiPlus;
      }
      else if(rdm*20. < 4.){
        particle1->setType(Neutron);
        particle2->setType(SigmaZero);
        KaonType =  KZero;
        Pion1Type =  PiZero;
        Pion2Type =  PiZero;
      }
      else if(rdm*20. < 5.){
        particle1->setType(Neutron);
        particle2->setType(SigmaMinus);
        KaonType =  KZero;
        Pion1Type =  PiZero;
        Pion2Type =  PiPlus;
      }
      else if(rdm*20. < 7.){
        particle1->setType(Neutron);
        particle2->setType(SigmaPlus);
        KaonType =  KPlus;
        Pion1Type =  PiMinus;
        Pion2Type =  PiMinus;
      }
      else if(rdm*20. < 8.){
        particle1->setType(Neutron);
        particle2->setType(SigmaZero);
        KaonType =  KPlus;
        Pion1Type =  PiMinus;
        Pion2Type =  PiZero;
      }
      else if(rdm*20. < 9.){
        particle1->setType(Neutron);
        particle2->setType(SigmaMinus);
        KaonType =  KPlus;
        Pion1Type =  PiMinus;
        Pion2Type =  PiPlus;
      }
      else if(rdm*20. < 11.){
        particle1->setType(Neutron);
        particle2->setType(SigmaMinus);
        KaonType =  KPlus;
        Pion1Type =  PiZero;
        Pion2Type =  PiZero;
      }
      else if(rdm*20. < 13.){
        particle1->setType(Proton);
        particle2->setType(SigmaPlus);
        KaonType =  KZero;
        Pion1Type =  PiMinus;
        Pion2Type =  PiMinus;
      }
      else if(rdm*20. < 14.){
        particle1->setType(Proton);
        particle2->setType(SigmaZero);
        KaonType =  KZero;
        Pion1Type =  PiMinus;
        Pion2Type =  PiZero;
      }
      else if(rdm*20. < 15.){
        particle1->setType(Proton);
        particle2->setType(SigmaMinus);
        KaonType =  KZero;
        Pion1Type =  PiMinus;
        Pion2Type =  PiPlus;
      }
      else if(rdm*20. < 17.){
        particle1->setType(Proton);
        particle2->setType(SigmaMinus);
        KaonType =  KZero;
        Pion1Type =  PiZero;
        Pion2Type =  PiZero;
      }
      else if(rdm*20. < 19.){
        particle1->setType(Proton);
        particle2->setType(SigmaZero);
        KaonType =  KPlus;
        Pion1Type =  PiMinus;
        Pion2Type =  PiMinus;
      }
      else{
        particle1->setType(Proton);
        particle2->setType(SigmaMinus);
        KaonType =  KPlus;
        Pion1Type =  PiMinus;
        Pion2Type =  PiZero;
      }

    }
    else{
      if(rdm*22. < 1.){
        particle1->setType(Neutron);
        particle2->setType(SigmaPlus);
        KaonType =  KZero;
        Pion1Type =  PiMinus;
        Pion2Type =  PiPlus;
      }
      else if(rdm*22. < 3.){
        particle1->setType(Neutron);
        particle2->setType(SigmaPlus);
        KaonType =  KZero;
        Pion1Type =  PiZero;
        Pion2Type =  PiZero;
      }
      else if(rdm*22. < 4.){
        particle1->setType(Neutron);
        particle2->setType(SigmaZero);
        KaonType =  KZero;
        Pion1Type =  PiZero;
        Pion2Type =  PiPlus;
      }
      else if(rdm*22. < 6.){
        particle1->setType(Neutron);
        particle2->setType(SigmaMinus);
        KaonType =  KZero;
        Pion1Type =  PiPlus;
        Pion2Type =  PiPlus;
      }
      else if(rdm*22. < 7.){
        particle1->setType(Neutron);
        particle2->setType(SigmaPlus);
        KaonType =  KPlus;
        Pion1Type =  PiMinus;
        Pion2Type =  PiZero;
      }
      else if(rdm*22. < 8.){
        particle1->setType(Neutron);
        particle2->setType(SigmaZero);
        KaonType =  KPlus;
        Pion1Type =  PiMinus;
        Pion2Type =  PiPlus;
      }
      else if(rdm*22. < 10.){
        particle1->setType(Neutron);
        particle2->setType(SigmaZero);
        KaonType =  KPlus;
        Pion1Type =  PiZero;
        Pion2Type =  PiZero;
      }
      else if(rdm*22. < 11.){
        particle1->setType(Neutron);
        particle2->setType(SigmaMinus);
        KaonType =  KPlus;
        Pion1Type =  PiZero;
        Pion2Type =  PiPlus;
      }
      else if(rdm*22. < 12.){
        particle1->setType(Proton);
        particle2->setType(SigmaPlus);
        KaonType =  KZero;
        Pion1Type =  PiMinus;
        Pion2Type =  PiZero;
      }
      else if(rdm*22. < 13.){
        particle1->setType(Proton);
        particle2->setType(SigmaZero);
        KaonType =  KZero;
        Pion1Type =  PiMinus;
        Pion2Type =  PiPlus;
      }
      else if(rdm*22. < 15.){
        particle1->setType(Proton);
        particle2->setType(SigmaZero);
        KaonType =  KZero;
        Pion1Type =  PiZero;
        Pion2Type =  PiZero;
      }
      else if(rdm*22. < 16.){
        particle1->setType(Proton);
        particle2->setType(SigmaMinus);
        KaonType =  KZero;
        Pion1Type =  PiZero;
        Pion2Type =  PiPlus;
      }
      else if(rdm*22. < 18.){
        particle1->setType(Proton);
        particle2->setType(SigmaPlus);
        KaonType =  KPlus;
        Pion1Type =  PiMinus;
        Pion2Type =  PiMinus;
      }
      else if(rdm*22. < 19.){
        particle1->setType(Proton);
        particle2->setType(SigmaZero);
        KaonType =  KPlus;
        Pion1Type =  PiMinus;
        Pion2Type =  PiZero;
      }
      else if(rdm*22. < 20.){
        particle1->setType(Proton);
        particle2->setType(SigmaMinus);
        KaonType =  KPlus;
        Pion1Type =  PiMinus;
        Pion2Type =  PiPlus;
      }
      else{
        particle1->setType(Proton);
        particle2->setType(SigmaMinus);
        KaonType =  KPlus;
        Pion1Type =  PiZero;
        Pion2Type =  PiZero;
      }

    }
    
    
    ParticleList list;
    list.push_back(particle1);
    list.push_back(particle2);
    const ThreeVector &rcol1 = particle1->getPosition();
    const ThreeVector &rcol2 = particle2->getPosition();
    const ThreeVector zero;
    Particle *pion1 = new Particle(Pion1Type,zero,rcol1);
    Particle *pion2 = new Particle(Pion2Type,zero,rcol1);
    Particle *kaon = new Particle(KaonType,zero,rcol2);
    list.push_back(kaon);
    list.push_back(pion1);
    list.push_back(pion2);
    
    PhaseSpaceGenerator::generateBiased(sqrtS, list, 0, angularSlope);
    
    INCL_DEBUG("NNToNSK2pi " << (kaon->getMomentum().theta()) * 180. / G4INCL::Math::pi << '\n');
    
    fs->addModifiedParticle(particle1);
    fs->addModifiedParticle(particle2);
    fs->addCreatedParticle(kaon);
    fs->addCreatedParticle(pion1);
    fs->addCreatedParticle(pion2);
    
  }
}