Geant4 11.1.1
Toolkit for the simulation of the passage of particles through matter
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G4INCL::NKbToNKb2piChannel Class Reference

#include <G4INCLNKbToNKb2piChannel.hh>

+ Inheritance diagram for G4INCL::NKbToNKb2piChannel:

Public Member Functions

 NKbToNKb2piChannel (Particle *, Particle *)
 
virtual ~NKbToNKb2piChannel ()
 
void fillFinalState (FinalState *fs)
 
- Public Member Functions inherited from G4INCL::IChannel
 IChannel ()
 
virtual ~IChannel ()
 
FinalStategetFinalState ()
 
virtual void fillFinalState (FinalState *fs)=0
 

Detailed Description

Definition at line 47 of file G4INCLNKbToNKb2piChannel.hh.

Constructor & Destructor Documentation

◆ NKbToNKb2piChannel()

G4INCL::NKbToNKb2piChannel::NKbToNKb2piChannel ( Particle p1,
Particle p2 
)

Definition at line 51 of file G4INCLNKbToNKb2piChannel.cc.

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

◆ ~NKbToNKb2piChannel()

G4INCL::NKbToNKb2piChannel::~NKbToNKb2piChannel ( )
virtual

Definition at line 55 of file G4INCLNKbToNKb2piChannel.cc.

55{}

Member Function Documentation

◆ fillFinalState()

void G4INCL::NKbToNKb2piChannel::fillFinalState ( FinalState fs)
virtual

Implements G4INCL::IChannel.

Definition at line 57 of file G4INCLNKbToNKb2piChannel.cc.

57 {
58
59 // p K0b -> p K0b pi+ pi- (1)
60 // p K0b -> p K0b pi0 pi0 (1/4)
61 // p K0b -> p K- pi+ pi0 (1)
62 // p K0b -> n K0b pi+ pi0 (1)
63 // p K0b -> n K- pi+ pi+ (1)
64 //
65 // p K- -> p K- pi+ pi- (1)
66 // p K- -> p K- pi0 pi0 (1/4)
67 // p K- -> p K0b pi0 pi- (1)
68 // p K- -> n K0b pi+ pi- (1)
69 // p K- -> n K0b pi0 pi0 (1/2)
70 // p K- -> n K- pi+ pi0 (1)
71
72 Particle *nucleon;
73 Particle *kaon;
74
75 if(particle1->isNucleon()){
76 nucleon = particle1;
77 kaon = particle2;
78 }
79 else{
80 nucleon = particle2;
81 kaon = particle1;
82 }
83
84 const G4double sqrtS = KinematicsUtils::totalEnergyInCM(nucleon, kaon);
85
86 const G4int iso = ParticleTable::getIsospin(nucleon->getType()) + ParticleTable::getIsospin(kaon->getType());
87 const G4int iso_n = ParticleTable::getIsospin(nucleon->getType());
88 G4double rdm = Random::shoot();
89
90 ParticleType Pion1Type;
91 ParticleType Pion2Type;
92
93 if(iso == 2 || iso == -2){
94 if(rdm*17. < 4.){
95 Pion1Type = PiPlus;
96 Pion2Type = PiMinus;
97 }
98 else if(rdm*17. < 5.){
99 Pion1Type = PiZero;
100 Pion2Type = PiZero;
101 }
102 else if(rdm*17. < 9.){
103 Pion1Type = ParticleTable::getPionType(iso);
104 Pion2Type = PiZero;
105 kaon->setType(ParticleTable::getAntiKaonType(-iso_n));
106 }
107 else if(rdm*17. < 13.){
108 Pion1Type = ParticleTable::getPionType(iso);
109 Pion2Type = PiZero;
110 nucleon->setType(ParticleTable::getNucleonType(-iso_n));
111 }
112 else{
113 Pion1Type = ParticleTable::getPionType(iso);
114 Pion2Type = ParticleTable::getPionType(iso);
115 kaon->setType(ParticleTable::getAntiKaonType(-iso_n));
116 nucleon->setType(ParticleTable::getNucleonType(-iso_n));
117 }
118 }
119 else{
120 if(rdm*19. < 4.){
121 Pion1Type = PiPlus;
122 Pion2Type = PiMinus;
123 }
124 else if(rdm*19. < 5.){
125 Pion1Type = PiZero;
126 Pion2Type = PiZero;
127 }
128 else if(rdm*19. < 9.){
129 Pion1Type = ParticleTable::getPionType(-2*iso_n);
130 Pion2Type = PiZero;
131 kaon->setType(ParticleTable::getAntiKaonType(iso_n));
132 }
133 else if(rdm*19. < 13.){
134 Pion1Type = PiPlus;
135 Pion2Type = PiMinus;
136 kaon->setType(ParticleTable::getAntiKaonType(iso_n));
137 nucleon->setType(ParticleTable::getNucleonType(-iso_n));
138 }
139 else if(rdm*19. < 15.){
140 Pion1Type = PiZero;
141 Pion2Type = PiZero;
142 kaon->setType(ParticleTable::getAntiKaonType(iso_n));
143 nucleon->setType(ParticleTable::getNucleonType(-iso_n));
144 }
145 else{
146 Pion1Type = ParticleTable::getPionType(2*iso_n);
147 Pion2Type = PiZero;
148 nucleon->setType(ParticleTable::getNucleonType(-iso_n));
149 }
150 }
151
152 ParticleList list;
153 list.push_back(nucleon);
154 list.push_back(kaon);
155 const ThreeVector &rcol1 = nucleon->getPosition();
156 const ThreeVector &rcol2 = kaon->getPosition();
157 const ThreeVector zero;
158 Particle *pion1 = new Particle(Pion1Type,zero,rcol1);
159 Particle *pion2 = new Particle(Pion2Type,zero,rcol2);
160 list.push_back(pion1);
161 list.push_back(pion2);
162
163 PhaseSpaceGenerator::generateBiased(sqrtS, list, 0, angularSlope);
164
165 fs->addModifiedParticle(nucleon);
166 fs->addModifiedParticle(kaon);
167 fs->addCreatedParticle(pion1);
168 fs->addCreatedParticle(pion2);
169
170 }
double G4double
Definition: G4Types.hh:83
int G4int
Definition: G4Types.hh:85
G4bool isNucleon() const
G4double totalEnergyInCM(Particle const *const p1, Particle const *const p2)
G4int getIsospin(const ParticleType t)
Get the isospin of a particle.
ParticleType getNucleonType(const G4int isosp)
Get the type of nucleon.
ParticleType getPionType(const G4int isosp)
Get the type of pion.
ParticleType getAntiKaonType(const G4int isosp)
Get the type of antikaon.
void generateBiased(const G4double sqrtS, ParticleList &particles, const size_t index, const G4double slope)
Generate a biased event in the CM system.
G4double shoot()
Definition: G4INCLRandom.cc:93
G4bool nucleon(G4int ityp)

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