Geant4 10.7.0
Toolkit for the simulation of the passage of particles through matter
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Public Member Functions | List of all members
G4INCL::NDeltaToNNKKbChannel Class Reference

#include <G4INCLNDeltaToNNKKbChannel.hh>

+ Inheritance diagram for G4INCL::NDeltaToNNKKbChannel:

Public Member Functions

 NDeltaToNNKKbChannel (Particle *, Particle *)
 
virtual ~NDeltaToNNKKbChannel ()
 
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 G4INCLNDeltaToNNKKbChannel.hh.

Constructor & Destructor Documentation

◆ NDeltaToNNKKbChannel()

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

Definition at line 51 of file G4INCLNDeltaToNNKKbChannel.cc.

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

◆ ~NDeltaToNNKKbChannel()

G4INCL::NDeltaToNNKKbChannel::~NDeltaToNNKKbChannel ( )
virtual

Definition at line 55 of file G4INCLNDeltaToNNKKbChannel.cc.

55{}

Member Function Documentation

◆ fillFinalState()

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

Implements G4INCL::IChannel.

Definition at line 57 of file G4INCLNDeltaToNNKKbChannel.cc.

57 {
58
59 // ratio
60 // D++ p -> p p K+ K0b (6)
61 //
62 // D++ n -> p p K+ K- (3)
63 // D++ n -> p p K0 K0b (3)
64 // D++ n -> p n K+ K0b (3)
65 //
66 // D+ p -> p p K+ K- (3)
67 // D+ p -> p p K0 K0b (1)
68 // D+ p -> p n K+ K0b (3)
69 //
70 // D+ n -> p p K0 K- (2)
71 // D+ n -> p n K+ K- (1)
72 // D+ n -> p n K0 K0b (3)
73 // D+ n -> n n K+ K0b (2)
74 //
75
76 const G4double sqrtS = KinematicsUtils::totalEnergyInCM(particle1, particle2);
77
78 const G4int iso = ParticleTable::getIsospin(particle1->getType()) + ParticleTable::getIsospin(particle2->getType());
79 G4int iso_n;
80 if(particle1->isNucleon()) iso_n = ParticleTable::getIsospin(particle1->getType());
81 else iso_n = ParticleTable::getIsospin(particle2->getType());
82
83 ParticleType Nucleon1Type;
84 ParticleType Nucleon2Type;
85 ParticleType KaonType;
86 ParticleType antiKaonType;
87
88 const G4double rdm = Random::shoot();
89
90 if(std::abs(iso) == 4){// D++ p
91 Nucleon1Type = ParticleTable::getNucleonType(iso/4);
92 Nucleon2Type = ParticleTable::getNucleonType(iso/4);
93 KaonType = ParticleTable::getKaonType(iso/4);
94 antiKaonType = ParticleTable::getAntiKaonType(iso/4);
95 }
96 else if(iso == 0){// D+ n
97 if(rdm*8 < 2){
98 Nucleon1Type = Proton;
99 Nucleon2Type = Proton;
100 KaonType = KZero;
101 antiKaonType = KMinus;
102 }
103 else if(rdm*8 < 3){
104 Nucleon1Type = Proton;
105 Nucleon2Type = Neutron;
106 KaonType = ParticleTable::getKaonType(-iso_n);
107 antiKaonType = ParticleTable::getAntiKaonType(iso_n);
108 }
109 else if(rdm*8 < 6){
110 Nucleon1Type = Proton;
111 Nucleon2Type = Neutron;
112 KaonType = ParticleTable::getKaonType(iso_n);
113 antiKaonType = ParticleTable::getAntiKaonType(-iso_n);
114 }
115 else{
116 Nucleon1Type = Neutron;
117 Nucleon2Type = Neutron;
118 KaonType = KPlus;
119 antiKaonType = KZeroBar;
120 }
121 }
122 else if(ParticleTable::getIsospin(particle1->getType()) == ParticleTable::getIsospin(particle2->getType())){// D+ p
123 if(rdm*3 < 1){
124 Nucleon1Type = ParticleTable::getNucleonType(iso/2);
125 Nucleon2Type = ParticleTable::getNucleonType(iso/2);
126 KaonType = ParticleTable::getKaonType(iso/2);
127 antiKaonType = ParticleTable::getAntiKaonType(-iso/2);
128 }
129 else if(rdm*3 < 2){
130 Nucleon1Type = ParticleTable::getNucleonType(iso/2);
131 Nucleon2Type = ParticleTable::getNucleonType(iso/2);
132 KaonType = ParticleTable::getKaonType(-iso/2);
133 antiKaonType = ParticleTable::getAntiKaonType(iso/2);
134 }
135 else{
136 Nucleon1Type = ParticleTable::getNucleonType(iso/2);
137 Nucleon2Type = ParticleTable::getNucleonType(-iso/2);
138 KaonType = ParticleTable::getKaonType(iso/2);
139 antiKaonType = ParticleTable::getAntiKaonType(iso/2);
140 }
141 }
142 else{// D++ n
143 if(rdm*5 < 2){
144 Nucleon1Type = ParticleTable::getNucleonType(iso/2);
145 Nucleon2Type = ParticleTable::getNucleonType(iso/2);
146 KaonType = ParticleTable::getKaonType(iso/2);
147 antiKaonType = ParticleTable::getAntiKaonType(-iso/2);
148 }
149 else if(rdm*5 < 4){
150 Nucleon1Type = ParticleTable::getNucleonType(iso/2);
151 Nucleon2Type = ParticleTable::getNucleonType(iso/2);
152 KaonType = ParticleTable::getKaonType(-iso/2);
153 antiKaonType = ParticleTable::getAntiKaonType(iso/2);
154 }
155 else{
156 Nucleon1Type = ParticleTable::getNucleonType(iso/2);
157 Nucleon2Type = ParticleTable::getNucleonType(-iso/2);
158 KaonType = ParticleTable::getKaonType(iso/2);
159 antiKaonType = ParticleTable::getAntiKaonType(iso/2);
160 }
161 }
162
163
164 particle1->setType(Nucleon1Type);
165 particle2->setType(Nucleon2Type);
166
167 ParticleList list;
168 list.push_back(particle1);
169 list.push_back(particle2);
170 const ThreeVector &rcol1 = particle1->getPosition();
171 const ThreeVector zero1;
172 const ThreeVector &rcol2 = particle2->getPosition();
173 const ThreeVector zero2;
174 Particle *kaon = new Particle(KaonType,zero1,rcol1);
175 Particle *antikaon = new Particle(antiKaonType,zero2,rcol2);
176 list.push_back(kaon);
177 list.push_back(antikaon);
178
179 if(Random::shoot()<0.5) PhaseSpaceGenerator::generateBiased(sqrtS, list, 0, angularSlope);
180 else PhaseSpaceGenerator::generateBiased(sqrtS, list, 1, angularSlope);
181
182 fs->addModifiedParticle(particle1);
183 fs->addModifiedParticle(particle2);
184 fs->addCreatedParticle(kaon);
185 fs->addCreatedParticle(antikaon);
186
187 }
G4double
double G4double
Definition: G4Types.hh:83
G4int
int G4int
Definition: G4Types.hh:85
G4INCL::Particle::getPosition
const G4INCL::ThreeVector & getPosition() const
Definition: G4INCLParticle.hh:816
G4INCL::Particle::getType
G4INCL::ParticleType getType() const
Definition: G4INCLParticle.hh:178
G4INCL::Particle::setType
void setType(ParticleType t)
Definition: G4INCLParticle.hh:187
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:1278
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:1238
G4INCL::ParticleTable::getAntiKaonType
ParticleType getAntiKaonType(const G4int isosp)
Get the type of antikaon.
Definition: G4INCLParticleTable.cc:1288
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
The documentation for this class was generated from the following files: