G4INCL::NSToNSChannel Class Reference

#include <G4INCLNSToNSChannel.hh>

Inheritance diagram for G4INCL::NSToNSChannel:

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

Private Member Functions
	INCL_DECLARE_ALLOCATION_POOL (NSToNSChannel)

Private Attributes
Particle *	particle1
Particle *	particle2

Detailed Description

Definition at line 47 of file G4INCLNSToNSChannel.hh.

Constructor & Destructor Documentation

NSToNSChannel()

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

Definition at line 49 of file G4INCLNSToNSChannel.cc.

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

~NSToNSChannel()

G4INCL::NSToNSChannel::~NSToNSChannel ( )

virtual

Definition at line 53 of file G4INCLNSToNSChannel.cc.

{}

Member Function Documentation

fillFinalState()

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

virtual

Implements G4INCL::IChannel.

Definition at line 55 of file G4INCLNSToNSChannel.cc.

                                                     {
        
        Particle *nucleon;
        Particle *sigma;
        
        if(particle1->isNucleon()){
            nucleon = particle1;
            sigma = particle2;
        }
        else{
            nucleon = particle2;
            sigma = particle1;
        }
        
        const G4double sqrtS = KinematicsUtils::totalEnergyInCM(nucleon, sigma);
        const G4int iso = ParticleTable::getIsospin(nucleon->getType()) + ParticleTable::getIsospin(sigma->getType());
// assert(iso == -1 || iso == 1);
        
        if(sigma->getType() == SigmaZero){
            nucleon->setType(ParticleTable::getNucleonType(-iso));
            sigma->setType(ParticleTable::getSigmaType(2*iso));
        }
        else{
            nucleon->setType(ParticleTable::getNucleonType(iso));
            sigma->setType(SigmaZero);
        }
        
        G4double mn=nucleon->getMass();
        G4double my=sigma->getMass();
        
        G4double ey=(sqrtS*sqrtS+my*my-mn*mn)/(2*sqrtS);
        G4double en=std::sqrt(ey*ey-my*my+mn*mn);
        nucleon->setEnergy(en);
        sigma->setEnergy(ey);
        G4double py=std::sqrt(ey*ey-my*my);
        
        ThreeVector mom_hyperon = Random::normVector(py);
 
        sigma->setMomentum(mom_hyperon);
        nucleon->setMomentum(-mom_hyperon);
        
        sigma->adjustEnergyFromMomentum();
        nucleon->adjustEnergyFromMomentum();
        
        fs->addModifiedParticle(nucleon);
        fs->addModifiedParticle(sigma);
                
    }

References G4INCL::FinalState::addModifiedParticle(), G4INCL::Particle::adjustEnergyFromMomentum(), G4INCL::ParticleTable::getIsospin(), G4INCL::Particle::getMass(), G4INCL::ParticleTable::getNucleonType(), G4INCL::ParticleTable::getSigmaType(), G4INCL::Particle::getType(), G4INCL::Particle::isNucleon(), G4INCL::Random::normVector(), G4InuclParticleNames::nucleon(), particle1, particle2, G4INCL::Particle::setEnergy(), G4INCL::Particle::setMomentum(), G4INCL::Particle::setType(), G4INCL::SigmaZero, and G4INCL::KinematicsUtils::totalEnergyInCM().

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::NSToNSChannel::INCL_DECLARE_ALLOCATION_POOL ( NSToNSChannel  )

private

Field Documentation

particle1

Particle* G4INCL::NSToNSChannel::particle1

private

Definition at line 55 of file G4INCLNSToNSChannel.hh.

Referenced by fillFinalState().

particle2

Particle * G4INCL::NSToNSChannel::particle2

private

Definition at line 55 of file G4INCLNSToNSChannel.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/G4INCLNSToNSChannel.hh
• source/processes/hadronic/models/inclxx/incl_physics/src/G4INCLNSToNSChannel.cc