#include <G4INCLNpiToLK2piChannel.hh>

Inheritance diagram for G4INCL::NpiToLK2piChannel:

Public Member Functions
	NpiToLK2piChannel (Particle , Particle )

virtual	~NpiToLK2piChannel ()

void	fillFinalState (FinalState *fs)

Public Member Functions inherited from G4INCL::IChannel
	IChannel ()

virtual	~IChannel ()

FinalState *	getFinalState ()

Detailed Description

Definition at line 47 of file G4INCLNpiToLK2piChannel.hh.

Constructor & Destructor Documentation

◆ NpiToLK2piChannel()

G4INCL::NpiToLK2piChannel::NpiToLK2piChannel	(	Particle *	p1,
		Particle *	p2 )

Definition at line 51 of file G4INCLNpiToLK2piChannel.cc.

52 : particle1(p1), particle2(p2)

53 {}

◆ ~NpiToLK2piChannel()

G4INCL::NpiToLK2piChannel::~NpiToLK2piChannel ( )

virtual

Definition at line 55 of file G4INCLNpiToLK2piChannel.cc.

55{}

Member Function Documentation

◆ fillFinalState()

void G4INCL::NpiToLK2piChannel::fillFinalState ( FinalState * fs )

virtual

Implements G4INCL::IChannel.

Definition at line 57 of file G4INCLNpiToLK2piChannel.cc.

                                                         {
        
        // p pi+ -> L K+ pi+ pi0 (1)
        // p pi+ -> L K0 pi+ pi+ (1)
        //
        // p pi0 -> L K+ pi0 pi0 (1/4)
        // p pi0 -> L K+ pi+ pi- (1)
        // p pi0 -> L K0 pi+ pi0 (1/2)
        //
        // p pi- -> L K+ pi0 pi- (1)
        // p pi- -> L K0 pi+ pi- (1)
        // p pi- -> L K0 pi0 pi0 (1/2)
        
        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;
        ParticleType PionType;
        
        if(iso == 3 || iso == -3){
            if(rdm < 0.5){
                KaonType = ParticleTable::getKaonType(iso/3);
                PionType = PiZero;
            }
            else{
                KaonType = ParticleTable::getKaonType(-iso/3);
                PionType = ParticleTable::getPionType(2*iso/3);
            }
        }
        else if(pion->getType() == PiZero){
            if(rdm*7. < 1.){
                KaonType = ParticleTable::getKaonType(iso);
                PionType = PiZero;
            }
            else if(rdm*7. < 5.){
                KaonType = ParticleTable::getKaonType(iso);
                pion->setType(PiPlus);
                PionType = PiMinus;
            }
            else{
                KaonType = ParticleTable::getKaonType(-iso);
                PionType = ParticleTable::getPionType(2*iso);
            }
        }
        else{
            if(rdm*5. < 2.){
                KaonType = ParticleTable::getKaonType(-iso);
                PionType = PiZero;
            }
            else if(rdm*5. < 4.){
                KaonType = ParticleTable::getKaonType(iso);
                PionType = ParticleTable::getPionType(-2*iso);;
            }
            else{
                KaonType = ParticleTable::getKaonType(iso);
                pion->setType(PiZero);
                PionType = PiZero;
            }
        }
        
        nucleon->setType(Lambda);
 
#ifdef INCLXX_IN_GEANT4_MODE
        // Erase the parent resonance information of the nucleon and pion
        nucleon->setParentResonancePDGCode(0);
        nucleon->setParentResonanceID(0);
        pion->setParentResonancePDGCode(0);
        pion->setParentResonanceID(0);
#endif      
        
        ParticleList list;
        list.push_back(nucleon);
        list.push_back(pion);
        const ThreeVector &rcol1 = nucleon->getPosition();
        const ThreeVector &rcol2 = pion->getPosition();
        const ThreeVector zero;
        Particle *kaon = new Particle(KaonType,zero,rcol1);
        Particle *pion2 = new Particle(PionType,zero,rcol2);
        list.push_back(kaon);
        list.push_back(pion2);
        
        PhaseSpaceGenerator::generateBiased(sqrtS, list, 0, angularSlope);
        
        INCL_DEBUG("NpiToLK2pi " << (kaon->getMomentum().theta()) * 180. / G4INCL::Math::pi << '\n');
        
        fs->addModifiedParticle(nucleon);
        fs->addModifiedParticle(pion);
        fs->addCreatedParticle(kaon);
        fs->addCreatedParticle(pion2);
        
    }