G4INCL::NpiToNKKbChannel Class Reference

#include <G4INCLNpiToNKKbChannel.hh>

Inheritance diagram for G4INCL::NpiToNKKbChannel:

Public Member Functions
void	fillFinalState (FinalState *fs)
FinalState *	getFinalState ()
	NpiToNKKbChannel (Particle *, Particle *)
virtual	~NpiToNKKbChannel ()

Private Member Functions
	INCL_DECLARE_ALLOCATION_POOL (NpiToNKKbChannel)

Private Attributes
Particle *	particle1
Particle *	particle2

Static Private Attributes
static const G4double	angularSlope = 6.

Detailed Description

Definition at line 47 of file G4INCLNpiToNKKbChannel.hh.

Constructor & Destructor Documentation

NpiToNKKbChannel()

G4INCL::NpiToNKKbChannel::NpiToNKKbChannel	(	Particle *	p1,
		Particle *	p2
	)

Definition at line 51 of file G4INCLNpiToNKKbChannel.cc.

        : particle1(p1), particle2(p2)
        {}

~NpiToNKKbChannel()

G4INCL::NpiToNKKbChannel::~NpiToNKKbChannel ( )

virtual

Definition at line 55 of file G4INCLNpiToNKKbChannel.cc.

{}

Member Function Documentation

fillFinalState()

void G4INCL::NpiToNKKbChannel::fillFinalState ( FinalState *  fs )

virtual

Implements G4INCL::IChannel.

Definition at line 57 of file G4INCLNpiToNKKbChannel.cc.

                                                        {
        
        // p pi+ -> p K+ K0b (1/2)
        
        // p pi0 -> p K0 K0b (1/4)
        // p pi0 -> p K+ K- (1/4)
        // p pi0 -> n K+ K0b (1)
        
        // p pi- -> p K0 K- (1/2)
        // p pi- -> n K+ K- (1)
        // p pi- -> n K0 K0b (1)
        
        Particle *nucleon;
        Particle *pion;
        
        
        if(particle1->isNucleon()){
            nucleon = particle1;
            pion = particle2;
        }
        else{
            nucleon = particle2;
            pion = particle1;
        }
        
        const G4double sqrtS = KinematicsUtils::totalEnergyInCM(nucleon, pion);
        
        const G4int iso = ParticleTable::getIsospin(nucleon->getType()) + ParticleTable::getIsospin(pion->getType());
        G4double rdm = Random::shoot();
        
        ParticleType KaonType;
        
        if(iso == 3 || iso == -3){
            KaonType = ParticleTable::getKaonType(iso/3);
            pion->setType(ParticleTable::getAntiKaonType(iso/3));
        }
        else if(pion->getType() == PiZero){
            if(rdm*6. < 1.){
                KaonType = ParticleTable::getKaonType(-iso);
                pion->setType(ParticleTable::getAntiKaonType(iso));
            }
            else if(rdm*6. < 2.){
                KaonType = ParticleTable::getKaonType(iso);
                pion->setType(ParticleTable::getAntiKaonType(-iso));
            }
            else{
                KaonType = ParticleTable::getKaonType(iso);
                pion->setType(ParticleTable::getAntiKaonType(iso));
                nucleon->setType(ParticleTable::getNucleonType(-iso));
            }
        }
        else{
            if(rdm*5. < 1.){
                KaonType = ParticleTable::getKaonType(iso);
                pion->setType(ParticleTable::getAntiKaonType(iso));
            }
            else if(rdm*5. < 3.){
                KaonType = ParticleTable::getKaonType(-iso);
                pion->setType(ParticleTable::getAntiKaonType(iso));
                nucleon->setType(ParticleTable::getNucleonType(iso));
            }
            else{
                KaonType = ParticleTable::getKaonType(iso);
                pion->setType(ParticleTable::getAntiKaonType(-iso));
                nucleon->setType(ParticleTable::getNucleonType(iso));
            }
        }
        
        ParticleList list;
        list.push_back(nucleon);
        list.push_back(pion);
        const ThreeVector &rcol = pion->getPosition();
        const ThreeVector zero;
        Particle *kaon = new Particle(KaonType,zero,rcol);
        list.push_back(kaon);
        
        PhaseSpaceGenerator::generateBiased(sqrtS, list, 0, angularSlope);
        
        INCL_DEBUG("NpiToNKKb " << (kaon->getMomentum().theta()) * 180. / G4INCL::Math::pi << '\n');
        
        fs->addModifiedParticle(nucleon);
        fs->addModifiedParticle(pion);
        fs->addCreatedParticle(kaon);
        
    }

References G4INCL::FinalState::addCreatedParticle(), G4INCL::FinalState::addModifiedParticle(), angularSlope, G4INCL::PhaseSpaceGenerator::generateBiased(), G4INCL::ParticleTable::getAntiKaonType(), G4INCL::ParticleTable::getIsospin(), G4INCL::ParticleTable::getKaonType(), G4INCL::Particle::getMomentum(), G4INCL::ParticleTable::getNucleonType(), INCL_DEBUG, G4INCL::Particle::isNucleon(), G4InuclParticleNames::nucleon(), particle1, particle2, G4INCL::Math::pi, G4InuclParticleNames::pion(), G4INCL::PiZero, G4INCL::Random::shoot(), G4INCL::ThreeVector::theta(), G4INCL::KinematicsUtils::totalEnergyInCM(), and anonymous_namespace{G4CascadeDeexciteBase.cc}::zero.

getFinalState()

FinalState * G4INCL::IChannel::getFinalState ( )

inherited

Definition at line 50 of file G4INCLIChannel.cc.

                                      {
    FinalState *fs = new FinalState;
    fillFinalState(fs);
    return fs;
  }

References G4INCL::IChannel::fillFinalState().

INCL_DECLARE_ALLOCATION_POOL()

G4INCL::NpiToNKKbChannel::INCL_DECLARE_ALLOCATION_POOL ( NpiToNKKbChannel  )

private

Field Documentation

angularSlope

const G4double G4INCL::NpiToNKKbChannel::angularSlope = 6.

staticprivate

Definition at line 57 of file G4INCLNpiToNKKbChannel.hh.

Referenced by fillFinalState().

particle1

Particle* G4INCL::NpiToNKKbChannel::particle1

private

Definition at line 55 of file G4INCLNpiToNKKbChannel.hh.

Referenced by fillFinalState().

particle2

Particle * G4INCL::NpiToNKKbChannel::particle2

private

Definition at line 55 of file G4INCLNpiToNKKbChannel.hh.

Referenced by fillFinalState().

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The documentation for this class was generated from the following files:

• source/processes/hadronic/models/inclxx/incl_physics/include/G4INCLNpiToNKKbChannel.hh
• source/processes/hadronic/models/inclxx/incl_physics/src/G4INCLNpiToNKKbChannel.cc