Geant4 11.1.1
Toolkit for the simulation of the passage of particles through matter
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Public Member Functions | List of all members
G4INCL::NpiToSK2piChannel Class Reference

#include <G4INCLNpiToSK2piChannel.hh>

+ Inheritance diagram for G4INCL::NpiToSK2piChannel:

Public Member Functions

 NpiToSK2piChannel (Particle *, Particle *)
 
virtual ~NpiToSK2piChannel ()
 
void fillFinalState (FinalState *fs)
 
- Public Member Functions inherited from G4INCL::IChannel
 IChannel ()
 
virtual ~IChannel ()
 
FinalState * getFinalState ()
 
virtual void fillFinalState (FinalState *fs)=0
 

Detailed Description

Definition at line 47 of file G4INCLNpiToSK2piChannel.hh.

Constructor & Destructor Documentation

◆ NpiToSK2piChannel()

G4INCL::NpiToSK2piChannel::NpiToSK2piChannel ( Particle *  p1,
Particle *  p2 
)

Definition at line 51 of file G4INCLNpiToSK2piChannel.cc.

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

◆ ~NpiToSK2piChannel()

G4INCL::NpiToSK2piChannel::~NpiToSK2piChannel ( )
virtual

Definition at line 55 of file G4INCLNpiToSK2piChannel.cc.

55{}

Member Function Documentation

◆ fillFinalState()

void G4INCL::NpiToSK2piChannel::fillFinalState ( FinalState *  fs)
virtual

Implements G4INCL::IChannel.

Definition at line 57 of file G4INCLNpiToSK2piChannel.cc.

57 {
58
59
60 // p pi+ -> S+ K+ pi+ pi- (1)
61 // p pi+ -> S+ K+ pi0 pi0 (1/4)
62 // p pi+ -> S0 K+ pi+ pi0 (1/2)
63 // p pi+ -> S- K+ pi+ pi+ (1/4)
64 // p pi+ -> S+ K0 pi+ pi0 (1)
65 // p pi+ -> S0 K0 pi+ pi+ (1/4)
66 //
67 // p pi0 -> S+ K+ pi0 pi- (1/2)
68 // p pi0 -> S0 K+ pi+ pi- (1/2)
69 // p pi0 -> S0 K+ pi0 pi0 (1/4)
70 // p pi0 -> S- K+ pi+ pi0 (1/4)
71 // p pi0 -> S+ K0 pi+ pi- (1)
72 // p pi0 -> S+ K0 pi0 pi0 (1/4)
73 // p pi0 -> S0 K0 pi+ pi0 (1/4)
74 // p pi0 -> S- K0 pi+ pi+ (1/2)
75 //
76 // p pi- -> S+ K+ pi- pi- (1/4)
77 // p pi- -> S0 K+ pi0 pi- (1/2)
78 // p pi- -> S- K+ pi+ pi- (1/4)
79 // p pi- -> S- K+ pi0 pi0 (1/4)
80 // p pi- -> S+ K0 pi0 pi- (1/2)
81 // p pi- -> S0 K0 pi+ pi- (1)
82 // p pi- -> S0 K0 pi0 pi0 (1/2)
83 // p pi- -> S- K0 pi+ pi0 (1/2)
84
85 Particle *nucleon;
86 Particle *pion;
87
88
89 if(particle1->isNucleon()){
90 nucleon = particle1;
91 pion = particle2;
92 }
93 else{
94 nucleon = particle2;
95 pion = particle1;
96 }
97
98 const G4double sqrtS = KinematicsUtils::totalEnergyInCM(nucleon, pion);
99
100 const G4int iso = ParticleTable::getIsospin(nucleon->getType()) + ParticleTable::getIsospin(pion->getType());
101 G4double rdm = Random::shoot();
102
103 ParticleType KaonType;
104 ParticleType PionType;
105
106 if(iso == 3 || iso == -3){
107 if(rdm*13. < 4.){
108 KaonType = ParticleTable::getKaonType(iso/3);
109 PionType = ParticleTable::getPionType(-2*iso/3);
110 nucleon->setType(ParticleTable::getSigmaType(2*iso/3));
111 }
112 else if(rdm*13. < 5.){
113 KaonType = ParticleTable::getKaonType(iso/3);
114 PionType = PiZero;
115 pion->setType(PiZero);
116 nucleon->setType(ParticleTable::getSigmaType(2*iso/3));
117 }
118 else if(rdm*13. < 7.){
119 KaonType = ParticleTable::getKaonType(iso/3);
120 PionType = PiZero;
121 nucleon->setType(SigmaZero);
122 }
123 else if(rdm*13. < 8.){
124 KaonType = ParticleTable::getKaonType(iso/3);
125 PionType = ParticleTable::getPionType(2*iso/3);
126 nucleon->setType(ParticleTable::getSigmaType(-2*iso/3));
127 }
128 else if(rdm*13. < 12.){
129 KaonType = ParticleTable::getKaonType(-iso/3);
130 PionType = PiZero;
131 nucleon->setType(ParticleTable::getSigmaType(2*iso/3));
132 }
133 else{
134 KaonType = ParticleTable::getKaonType(-iso/3);
135 PionType = ParticleTable::getPionType(2*iso/3);
136 nucleon->setType(SigmaZero);
137 }
138 }
139 else if(pion->getType() == PiZero){
140 if(rdm*14. < 2.){
141 KaonType = ParticleTable::getKaonType(iso);
142 PionType = ParticleTable::getPionType(-2*iso);
143 nucleon->setType(ParticleTable::getSigmaType(2*iso));
144 }
145 else if(rdm*14. < 4.){
146 KaonType = ParticleTable::getKaonType(iso);
147 PionType = ParticleTable::getPionType(-2*iso);
148 nucleon->setType(SigmaZero);
149 pion->setType(ParticleTable::getPionType(2*iso));
150 }
151 else if(rdm*14. < 5.){
152 KaonType = ParticleTable::getKaonType(iso);
153 PionType = PiZero;
154 nucleon->setType(SigmaZero);
155 }
156 else if(rdm*14. < 6.){
157 KaonType = ParticleTable::getKaonType(iso);
158 PionType = ParticleTable::getPionType(2*iso);
159 nucleon->setType(ParticleTable::getSigmaType(-2*iso));
160 }
161 else if(rdm*14. < 10.){
162 KaonType = ParticleTable::getKaonType(-iso);
163 PionType = ParticleTable::getPionType(-2*iso);
164 nucleon->setType(ParticleTable::getSigmaType(2*iso));
165 pion->setType(ParticleTable::getPionType(2*iso));
166 }
167 else if(rdm*14. < 11.){
168 KaonType = ParticleTable::getKaonType(-iso);
169 PionType = PiZero;
170 nucleon->setType(ParticleTable::getSigmaType(2*iso));
171 }
172 else if(rdm*14. < 12.){
173 KaonType = ParticleTable::getKaonType(-iso);
174 PionType = ParticleTable::getPionType(2*iso);
175 nucleon->setType(SigmaZero);
176 }
177 else{
178 KaonType = ParticleTable::getKaonType(-iso);
179 PionType = ParticleTable::getPionType(2*iso);
180 nucleon->setType(ParticleTable::getSigmaType(-2*iso));
181 pion->setType(ParticleTable::getPionType(2*iso));
182 }
183 }
184 else{
185 if(rdm*15. < 1.){
186 KaonType = ParticleTable::getKaonType(-iso);
187 PionType = ParticleTable::getPionType(2*iso);
188 nucleon->setType(ParticleTable::getSigmaType(-2*iso));
189 }
190 else if(rdm*15. < 3.){
191 KaonType = ParticleTable::getKaonType(-iso);
192 PionType = PiZero;
193 nucleon->setType(SigmaZero);
194 }
195 else if(rdm*15. < 4.){
196 KaonType = ParticleTable::getKaonType(-iso);
197 PionType = ParticleTable::getPionType(-2*iso);
198 nucleon->setType(ParticleTable::getSigmaType(2*iso));
199 }
200 else if(rdm*15. < 5.){
201 KaonType = ParticleTable::getKaonType(-iso);
202 PionType = PiZero;
203 nucleon->setType(ParticleTable::getSigmaType(2*iso));
204 pion->setType(PiZero);
205 }
206 else if(rdm*15. < 7.){
207 KaonType = ParticleTable::getKaonType(iso);
208 PionType = PiZero;
209 nucleon->setType(ParticleTable::getSigmaType(-2*iso));
210 }
211 else if(rdm*15. < 11.){
212 KaonType = ParticleTable::getKaonType(iso);
213 PionType = ParticleTable::getPionType(-2*iso);
214 nucleon->setType(SigmaZero);
215 }
216 else if(rdm*15. < 13.){
217 KaonType = ParticleTable::getKaonType(iso);
218 PionType = PiZero;
219 nucleon->setType(SigmaZero);
220 pion->setType(PiZero);
221 }
222 else{
223 KaonType = ParticleTable::getKaonType(iso);
224 PionType = ParticleTable::getPionType(-2*iso);
225 nucleon->setType(ParticleTable::getSigmaType(2*iso));
226 pion->setType(PiZero);
227 }
228 }
229
230 // Erase the parent resonance information of the nucleon and pion
231 nucleon->setParentResonancePDGCode(0);
232 nucleon->setParentResonanceID(0);
233 pion->setParentResonancePDGCode(0);
234 pion->setParentResonanceID(0);
235
236 ParticleList list;
237 list.push_back(nucleon);
238 list.push_back(pion);
239 const ThreeVector &rcol1 = nucleon->getPosition();
240 const ThreeVector &rcol2 = pion->getPosition();
241 const ThreeVector zero;
242 Particle *kaon = new Particle(KaonType,zero,rcol1);
243 Particle *pion2 = new Particle(PionType,zero,rcol2);
244 list.push_back(kaon);
245 list.push_back(pion2);
246
247 PhaseSpaceGenerator::generateBiased(sqrtS, list, 0, angularSlope);
248
249 INCL_DEBUG("NpiToSK2pi " << (kaon->getMomentum().theta()) * 180. / G4INCL::Math::pi << '\n');
250
251 fs->addModifiedParticle(nucleon);
252 fs->addModifiedParticle(pion);
253 fs->addCreatedParticle(kaon);
254 fs->addCreatedParticle(pion2);
255
256 }
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::Particle::isNucleon
G4bool isNucleon() const
Definition: G4INCLParticle.hh:307
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::getSigmaType
ParticleType getSigmaType(const G4int isosp)
Get the type of sigma.
Definition: G4INCLParticleTable.cc:1280
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
The documentation for this class was generated from the following files: