G4INCL::NDeltaToNSKChannel Class Reference

#include <G4INCLNDeltaToNSKChannel.hh>

Inheritance diagram for G4INCL::NDeltaToNSKChannel:

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

Private Member Functions
	INCL_DECLARE_ALLOCATION_POOL (NDeltaToNSKChannel)

Private Attributes
Particle *	particle1
Particle *	particle2

Static Private Attributes
static const G4double	angularSlope = 2.

Detailed Description

Definition at line 47 of file G4INCLNDeltaToNSKChannel.hh.

Constructor & Destructor Documentation

NDeltaToNSKChannel()

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

Definition at line 51 of file G4INCLNDeltaToNSKChannel.cc.

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

~NDeltaToNSKChannel()

G4INCL::NDeltaToNSKChannel::~NDeltaToNSKChannel ( )

virtual

Definition at line 55 of file G4INCLNDeltaToNSKChannel.cc.

{}

Member Function Documentation

fillFinalState()

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

virtual

Implements G4INCL::IChannel.

Definition at line 57 of file G4INCLNDeltaToNSKChannel.cc.

                                                          {
        // D++ p -> p S+ K+ (6)
        //
        // D++ n -> p S+ K0 (3)
        // D++ n -> p S0 K+ (3)
        // D++ n -> n S+ K+ (3)
        //
        // D+  p -> p S+ K0 (2)
        // D+  p -> p S0 K+ (2)
        // D+  p -> n S+ K+ (3)
        //
        // D+  n -> p S0 K0 (3)
        // D+  n -> p S- K+ (2)
        // D+  n -> n S+ K0 (2)
        // D+  n -> n S0 K+ (2)
        
        
        Particle *delta;
        
        if (particle1->isResonance()) {
            delta = particle1;
        }
        else {
            delta = particle2;
        }
        
        const G4double sqrtS = KinematicsUtils::totalEnergyInCM(particle1, particle2);
        
        const G4int iso = ParticleTable::getIsospin(particle1->getType()) + ParticleTable::getIsospin(particle2->getType());
        const G4int iso_d = ParticleTable::getIsospin(delta->getType());
        
        ParticleType KaonType;
        ParticleType NucleonType;
        ParticleType SigmaType;
        
        const G4double rdm = Random::shoot();
        
        if(std::abs(iso) == 4){// D++ p
            KaonType = ParticleTable::getKaonType(iso/4);
            NucleonType = ParticleTable::getNucleonType(iso/4);
            SigmaType = ParticleTable::getSigmaType(iso/2);
        }
        else if(iso == 0){// D+  n
            if(rdm*9 < 3){
                KaonType = ParticleTable::getKaonType(-iso_d);
                NucleonType = ParticleTable::getNucleonType(iso_d);
                SigmaType = SigmaZero;
            }
            else if(rdm*9 < 5){
                KaonType = ParticleTable::getKaonType(iso_d);
                NucleonType = ParticleTable::getNucleonType(iso_d);
                SigmaType = ParticleTable::getSigmaType(-2*iso_d);
            }
            else if(rdm*9 < 7){
                KaonType = ParticleTable::getKaonType(-iso_d);
                NucleonType = ParticleTable::getNucleonType(-iso_d);
                SigmaType = ParticleTable::getSigmaType(2*iso_d);
            }
            else{
                KaonType = ParticleTable::getKaonType(iso_d);
                NucleonType = ParticleTable::getNucleonType(-iso_d);
                SigmaType = SigmaZero;
            }
        }
        else if(ParticleTable::getIsospin(particle1->getType()) == ParticleTable::getIsospin(particle2->getType())){// D+  p
            if(rdm*7 < 2){
                KaonType = ParticleTable::getKaonType(-iso/2);
                NucleonType = ParticleTable::getNucleonType(iso/2);
                SigmaType = ParticleTable::getSigmaType(iso);
            }
            else if(rdm*7 < 4){
                KaonType = ParticleTable::getKaonType(iso/2);
                NucleonType = ParticleTable::getNucleonType(iso/2);
                SigmaType = SigmaZero;
            }
            else{
                KaonType = ParticleTable::getKaonType(iso/2);
                NucleonType = ParticleTable::getNucleonType(-iso/2);
                SigmaType = ParticleTable::getSigmaType(iso);
            }
        }
        else{// D++ n 
            if(rdm*3 < 1){
                KaonType = ParticleTable::getKaonType(-iso/2);
                NucleonType = ParticleTable::getNucleonType(iso/2);
                SigmaType = ParticleTable::getSigmaType(iso);
            }
            else if(rdm*3 < 2){
                KaonType = ParticleTable::getKaonType(iso/2);
                NucleonType = ParticleTable::getNucleonType(iso/2);
                SigmaType = SigmaZero;
            }
            else{
                KaonType = ParticleTable::getKaonType(iso/2);
                NucleonType = ParticleTable::getNucleonType(-iso/2);
                SigmaType = ParticleTable::getSigmaType(iso);
            }
        }
        
        particle1->setType(NucleonType);
        particle2->setType(SigmaType);
        
        ParticleList list;
        list.push_back(particle1);
        list.push_back(particle2);
        const ThreeVector &rcol = particle2->getPosition();
        const ThreeVector zero;
        Particle *kaon = new Particle(KaonType,zero,rcol);
        list.push_back(kaon);
        
        if(Random::shoot()<0.5) PhaseSpaceGenerator::generateBiased(sqrtS, list, 0, angularSlope);
        else PhaseSpaceGenerator::generateBiased(sqrtS, list, 1, angularSlope);
        
        fs->addModifiedParticle(particle1);
        fs->addModifiedParticle(particle2);
        fs->addCreatedParticle(kaon);
        
    }

References G4INCL::FinalState::addCreatedParticle(), G4INCL::FinalState::addModifiedParticle(), angularSlope, G4INCL::PhaseSpaceGenerator::generateBiased(), G4INCL::ParticleTable::getIsospin(), G4INCL::ParticleTable::getKaonType(), G4INCL::ParticleTable::getNucleonType(), G4INCL::Particle::getPosition(), G4INCL::ParticleTable::getSigmaType(), G4INCL::Particle::getType(), G4INCL::Particle::isResonance(), particle1, particle2, G4INCL::Particle::setType(), G4INCL::Random::shoot(), G4INCL::SigmaZero, 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::NDeltaToNSKChannel::INCL_DECLARE_ALLOCATION_POOL ( NDeltaToNSKChannel  )

private

Field Documentation

angularSlope

const G4double G4INCL::NDeltaToNSKChannel::angularSlope = 2.

staticprivate

Definition at line 57 of file G4INCLNDeltaToNSKChannel.hh.

Referenced by fillFinalState().

particle1

Particle* G4INCL::NDeltaToNSKChannel::particle1

private

Definition at line 55 of file G4INCLNDeltaToNSKChannel.hh.

Referenced by fillFinalState().

particle2

Particle * G4INCL::NDeltaToNSKChannel::particle2

private

Definition at line 55 of file G4INCLNDeltaToNSKChannel.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/G4INCLNDeltaToNSKChannel.hh
• source/processes/hadronic/models/inclxx/incl_physics/src/G4INCLNDeltaToNSKChannel.cc