Geant4-11
Public Member Functions | Private Member Functions | Private Attributes | Static Private Attributes
G4INCL::NpiToLK2piChannel Class Reference

#include <G4INCLNpiToLK2piChannel.hh>

Inheritance diagram for G4INCL::NpiToLK2piChannel:
G4INCL::IChannel

Public Member Functions

void fillFinalState (FinalState *fs)
 
FinalState * getFinalState ()
 
 NpiToLK2piChannel (Particle *, Particle *)
 
virtual ~NpiToLK2piChannel ()
 

Private Member Functions

 INCL_DECLARE_ALLOCATION_POOL (NpiToLK2piChannel)
 

Private Attributes

Particle * particle1
 
Particle * particle2
 

Static Private Attributes

static const G4double angularSlope = 6.
 

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.

57 {
58
59 // p pi+ -> L K+ pi+ pi0 (1)
60 // p pi+ -> L K0 pi+ pi+ (1)
61 //
62 // p pi0 -> L K+ pi0 pi0 (1/4)
63 // p pi0 -> L K+ pi+ pi- (1)
64 // p pi0 -> L K0 pi+ pi0 (1/2)
65 //
66 // p pi- -> L K+ pi0 pi- (1)
67 // p pi- -> L K0 pi+ pi- (1)
68 // p pi- -> L K0 pi0 pi0 (1/2)
69
70 Particle *nucleon;
71 Particle *pion;
72
73 if(particle1->isNucleon()){
74 nucleon = particle1;
75 pion = particle2;
76 }
77 else{
78 nucleon = particle2;
79 pion = particle1;
80 }
81
82 const G4double sqrtS = KinematicsUtils::totalEnergyInCM(nucleon, pion);
83
84 const G4int iso = ParticleTable::getIsospin(nucleon->getType()) + ParticleTable::getIsospin(pion->getType());
85 G4double rdm = Random::shoot();
86
87 ParticleType KaonType;
88 ParticleType PionType;
89
90 if(iso == 3 || iso == -3){
91 if(rdm < 0.5){
92 KaonType = ParticleTable::getKaonType(iso/3);
93 PionType = PiZero;
94 }
95 else{
96 KaonType = ParticleTable::getKaonType(-iso/3);
97 PionType = ParticleTable::getPionType(2*iso/3);
98 }
99 }
100 else if(pion->getType() == PiZero){
101 if(rdm*7. < 1.){
102 KaonType = ParticleTable::getKaonType(iso);
103 PionType = PiZero;
104 }
105 else if(rdm*7. < 5.){
106 KaonType = ParticleTable::getKaonType(iso);
107 pion->setType(PiPlus);
108 PionType = PiMinus;
109 }
110 else{
111 KaonType = ParticleTable::getKaonType(-iso);
112 PionType = ParticleTable::getPionType(2*iso);
113 }
114 }
115 else{
116 if(rdm*5. < 2.){
117 KaonType = ParticleTable::getKaonType(-iso);
118 PionType = PiZero;
119 }
120 else if(rdm*5. < 4.){
121 KaonType = ParticleTable::getKaonType(iso);
122 PionType = ParticleTable::getPionType(-2*iso);;
123 }
124 else{
125 KaonType = ParticleTable::getKaonType(iso);
126 pion->setType(PiZero);
127 PionType = PiZero;
128 }
129 }
130
131 nucleon->setType(Lambda);
132
133 ParticleList list;
134 list.push_back(nucleon);
135 list.push_back(pion);
136 const ThreeVector &rcol1 = nucleon->getPosition();
137 const ThreeVector &rcol2 = pion->getPosition();
138 const ThreeVector zero;
139 Particle *kaon = new Particle(KaonType,zero,rcol1);
140 Particle *pion2 = new Particle(PionType,zero,rcol2);
141 list.push_back(kaon);
142 list.push_back(pion2);
143
144 PhaseSpaceGenerator::generateBiased(sqrtS, list, 0, angularSlope);
145
146 INCL_DEBUG("NpiToLK2pi " << (kaon->getMomentum().theta()) * 180. / G4INCL::Math::pi << '\n');
147
148 fs->addModifiedParticle(nucleon);
149 fs->addModifiedParticle(pion);
150 fs->addCreatedParticle(kaon);
151 fs->addCreatedParticle(pion2);
152
153 }
INCL_DEBUG
#define INCL_DEBUG(x)
Definition: G4INCLLogger.hh:240
G4double
double G4double
Definition: G4Types.hh:83
G4int
int G4int
Definition: G4Types.hh:85
G4INCL::NpiToLK2piChannel::angularSlope
static const G4double angularSlope
Definition: G4INCLNpiToLK2piChannel.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::Math::pi
const G4double pi
Definition: G4INCLGlobals.hh:68
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::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::Particle::getMomentum(), G4INCL::ParticleTable::getPionType(), INCL_DEBUG, G4INCL::Particle::isNucleon(), G4INCL::Lambda, G4InuclParticleNames::nucleon(), particle1, particle2, G4INCL::Math::pi, G4INCL::PiMinus, G4InuclParticleNames::pion(), G4INCL::PiPlus, G4INCL::PiZero, G4INCL::Random::shoot(), G4INCL::ThreeVector::theta(), 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::NpiToLK2piChannel::INCL_DECLARE_ALLOCATION_POOL ( NpiToLK2piChannel  )
private

Field Documentation

◆ angularSlope

const G4double G4INCL::NpiToLK2piChannel::angularSlope = 6.
staticprivate

Definition at line 57 of file G4INCLNpiToLK2piChannel.hh.

Referenced by fillFinalState().

◆ particle1

Particle* G4INCL::NpiToLK2piChannel::particle1
private

Definition at line 55 of file G4INCLNpiToLK2piChannel.hh.

Referenced by fillFinalState().

◆ particle2

Particle * G4INCL::NpiToLK2piChannel::particle2
private

Definition at line 55 of file G4INCLNpiToLK2piChannel.hh.

Referenced by fillFinalState().

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