G4INCL::NpiToLKpiChannel Class Reference

#include <G4INCLNpiToLKpiChannel.hh>

Inheritance diagram for G4INCL::NpiToLKpiChannel:

Public Member Functions
	NpiToLKpiChannel (Particle *, Particle *)
virtual	~NpiToLKpiChannel ()
void	fillFinalState (FinalState *fs)
Public Member Functions inherited from G4INCL::IChannel
	IChannel ()
virtual	~IChannel ()
FinalState *	getFinalState ()

Detailed Description

Definition at line 47 of file G4INCLNpiToLKpiChannel.hh.

Constructor & Destructor Documentation

NpiToLKpiChannel()

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

Definition at line 51 of file G4INCLNpiToLKpiChannel.cc.

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

~NpiToLKpiChannel()

G4INCL::NpiToLKpiChannel::~NpiToLKpiChannel ( )

virtual

Definition at line 55 of file G4INCLNpiToLKpiChannel.cc.

{}

Member Function Documentation

fillFinalState()

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

virtual

Implements G4INCL::IChannel.

Definition at line 57 of file G4INCLNpiToLKpiChannel.cc.

                                                        {
        
        // ratio
        // p pi+ (1)    p pi0 (3/2)     p pi- (2)
        //
        // p pi0 -> L K+ pi0 (1/2)
        // all the others (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);
        }
        else if(pion->getType() == PiZero){
            if(rdm*3. < 1.){
                KaonType = ParticleTable::getKaonType(iso);
            }
            else{
                KaonType = ParticleTable::getKaonType(-iso);
                pion->setType(ParticleTable::getPionType(2*iso));
            }
        }
        else{
            if(rdm < 0.5){
                KaonType = ParticleTable::getKaonType(-iso);
            }
            else{
                KaonType = ParticleTable::getKaonType(iso);
                pion->setType(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 &rcol = nucleon->getPosition();
        const ThreeVector zero;
        Particle *kaon = new Particle(KaonType,zero,rcol);
        list.push_back(kaon);
        
        PhaseSpaceGenerator::generateBiased(sqrtS, list, 0, angularSlope);
        
        INCL_DEBUG("NpiToLKpi " << (kaon->getMomentum().theta()) * 180. / G4INCL::Math::pi << '\n');
        
        fs->addModifiedParticle(nucleon);
        fs->addModifiedParticle(pion);
        fs->addCreatedParticle(kaon);
        
    }

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

• G4INCLNpiToLKpiChannel.hh
• G4INCLNpiToLKpiChannel.cc