Geant4-11
Public Member Functions | Private Member Functions | Private Attributes | Static Private Attributes
G4INCL::NKToNKpiChannel Class Reference

#include <G4INCLNKToNKpiChannel.hh>

Inheritance diagram for G4INCL::NKToNKpiChannel:
G4INCL::IChannel

Public Member Functions

void fillFinalState (FinalState *fs)
 
FinalState * getFinalState ()
 
 NKToNKpiChannel (Particle *, Particle *)
 
virtual ~NKToNKpiChannel ()
 

Private Member Functions

 INCL_DECLARE_ALLOCATION_POOL (NKToNKpiChannel)
 

Private Attributes

Particle * particle1
 
Particle * particle2
 

Static Private Attributes

static const G4double angularSlope = 4.
 

Detailed Description

Definition at line 47 of file G4INCLNKToNKpiChannel.hh.

Constructor & Destructor Documentation

◆ NKToNKpiChannel()

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

Definition at line 51 of file G4INCLNKToNKpiChannel.cc.

52 : particle1(p1), particle2(p2)
53 {}

◆ ~NKToNKpiChannel()

G4INCL::NKToNKpiChannel::~NKToNKpiChannel ( )
virtual

Definition at line 55 of file G4INCLNKToNKpiChannel.cc.

55{}

Member Function Documentation

◆ fillFinalState()

void G4INCL::NKToNKpiChannel::fillFinalState ( FinalState *  fs)
virtual

Implements G4INCL::IChannel.

Definition at line 57 of file G4INCLNKToNKpiChannel.cc.

57 {
58
59 // K+ p -> p K+ pi0 (1.2)
60 // K+ p -> p K0 pi+ (3)
61 // K+ p -> n K+ pi+ (0.8)
62 //
63 // K0 p -> p K+ pi- (1)
64 // K0 p -> p K0 pi0 (0.845)
65 // K0 p -> n K+ pi0 (1.47)
66 // K0 p -> n K0 pi+ (2.23)
67
68 Particle *nucleon;
69 Particle *kaon;
70
71 if(particle1->isNucleon()){
72 nucleon = particle1;
73 kaon = particle2;
74 }
75 else{
76 nucleon = particle2;
77 kaon = particle1;
78 }
79
80 const G4double sqrtS = KinematicsUtils::totalEnergyInCM(nucleon, kaon);
81
82 const G4int iso = ParticleTable::getIsospin(nucleon->getType()) + ParticleTable::getIsospin(kaon->getType());
83 const G4int iso_n = ParticleTable::getIsospin(nucleon->getType());
84 G4double rdm = Random::shoot();
85
86 ParticleType PionType;
87
88 if(iso == 2 || iso == -2){
89 if(rdm*5. < 1.2){
90 PionType = PiZero;
91 }
92 else if(rdm*5. < 4.2){
93 PionType = ParticleTable::getPionType(iso);
94 kaon->setType(ParticleTable::getKaonType(-iso/2));
95 }
96 else{
97 PionType = ParticleTable::getPionType(iso);
98 nucleon->setType(ParticleTable::getNucleonType(-iso/2));
99 }
100 }
101 else{
102 if(rdm*5.545 < 1.){
103 kaon->setType(ParticleTable::getKaonType(iso_n));
104 PionType = ParticleTable::getPionType(-2*iso_n);
105 }
106 else if(rdm*5.545 < 1.845){
107 PionType = PiZero;
108 }
109 else if(rdm*5.545 < 3.315){
110 kaon->setType(ParticleTable::getKaonType(iso_n));
111 nucleon->setType(ParticleTable::getNucleonType(-iso_n));
112 PionType = PiZero;
113 }
114 else{
115 nucleon->setType(ParticleTable::getNucleonType(-iso_n));
116 PionType = ParticleTable::getPionType(2*iso_n);
117 }
118 }
119
120 ParticleList list;
121 list.push_back(nucleon);
122 list.push_back(kaon);
123 const ThreeVector &rcol = nucleon->getPosition();
124 const ThreeVector zero;
125 Particle *pion = new Particle(PionType,zero,rcol);
126 list.push_back(pion);
127
128 PhaseSpaceGenerator::generateBiased(sqrtS, list, 0, angularSlope);
129
130 fs->addModifiedParticle(nucleon);
131 fs->addModifiedParticle(kaon);
132 fs->addCreatedParticle(pion);
133
134 }
G4double
double G4double
Definition: G4Types.hh:83
G4int
int G4int
Definition: G4Types.hh:85
G4INCL::NKToNKpiChannel::angularSlope
static const G4double angularSlope
Definition: G4INCLNKToNKpiChannel.hh:57
G4INCL::Particle::isNucleon
G4bool isNucleon() const
Definition: G4INCLParticle.hh:303
G4INCL::KinematicsUtils::totalEnergyInCM
G4double totalEnergyInCM(Particle const *const p1, Particle const *const p2)
Definition: G4INCLKinematicsUtils.cc:94
G4INCL::ParticleTable::getKaonType
ParticleType getKaonType(const G4int isosp)
Get the type of kaon.
Definition: G4INCLParticleTable.cc:1293
G4INCL::ParticleTable::getIsospin
G4int getIsospin(const ParticleType t)
Get the isospin of a particle.
Definition: G4INCLParticleTable.cc:478
G4INCL::ParticleTable::getNucleonType
ParticleType getNucleonType(const G4int isosp)
Get the type of nucleon.
Definition: G4INCLParticleTable.cc:1253
G4INCL::ParticleTable::getPionType
ParticleType getPionType(const G4int isosp)
Get the type of pion.
Definition: G4INCLParticleTable.cc:1240
G4INCL::PhaseSpaceGenerator::generateBiased
void generateBiased(const G4double sqrtS, ParticleList &particles, const size_t index, const G4double slope)
Generate a biased event in the CM system.
Definition: G4INCLPhaseSpaceGenerator.cc:98
G4INCL::Random::shoot
G4double shoot()
Definition: G4INCLRandom.cc:93
G4InuclParticleNames::pion
G4bool pion(G4int ityp)
Definition: G4InuclParticleNames.hh:90
G4InuclParticleNames::nucleon
G4bool nucleon(G4int ityp)
Definition: G4InuclParticleNames.hh:94
anonymous_namespace{G4CascadeDeexciteBase.cc}::zero
static const G4LorentzVector zero(0., 0., 0., 0.)

References G4INCL::FinalState::addCreatedParticle(), G4INCL::FinalState::addModifiedParticle(), angularSlope, G4INCL::PhaseSpaceGenerator::generateBiased(), G4INCL::ParticleTable::getIsospin(), G4INCL::ParticleTable::getKaonType(), G4INCL::ParticleTable::getNucleonType(), G4INCL::ParticleTable::getPionType(), G4INCL::Particle::getType(), G4INCL::Particle::isNucleon(), G4InuclParticleNames::nucleon(), particle1, particle2, G4InuclParticleNames::pion(), G4INCL::PiZero, G4INCL::Particle::setType(), G4INCL::Random::shoot(), G4INCL::KinematicsUtils::totalEnergyInCM(), and anonymous_namespace{G4CascadeDeexciteBase.cc}::zero.

◆ getFinalState()

FinalState * G4INCL::IChannel::getFinalState ( )
inherited

Definition at line 50 of file G4INCLIChannel.cc.

50 {
51 FinalState *fs = new FinalState;
52 fillFinalState(fs);
53 return fs;
54 }
G4INCL::IChannel::fillFinalState
virtual void fillFinalState(FinalState *fs)=0

References G4INCL::IChannel::fillFinalState().

◆ INCL_DECLARE_ALLOCATION_POOL()

G4INCL::NKToNKpiChannel::INCL_DECLARE_ALLOCATION_POOL ( NKToNKpiChannel  )
private

Field Documentation

◆ angularSlope

const G4double G4INCL::NKToNKpiChannel::angularSlope = 4.
staticprivate

Definition at line 57 of file G4INCLNKToNKpiChannel.hh.

Referenced by fillFinalState().

◆ particle1

Particle* G4INCL::NKToNKpiChannel::particle1
private

Definition at line 55 of file G4INCLNKToNKpiChannel.hh.

Referenced by fillFinalState().

◆ particle2

Particle * G4INCL::NKToNKpiChannel::particle2
private

Definition at line 55 of file G4INCLNKToNKpiChannel.hh.

Referenced by fillFinalState().

The documentation for this class was generated from the following files:
Generated by doxygen 1.9.3