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25 //
26 // INCL++ intra-nuclear cascade model
27 // Alain Boudard, CEA-Saclay, France
28 // Joseph Cugnon, University of Liege, Belgium
29 // Jean-Christophe David, CEA-Saclay, France
30 // Pekka Kaitaniemi, CEA-Saclay, France, and Helsinki Institute of Physics, Finland
31 // Sylvie Leray, CEA-Saclay, France
32 // Davide Mancusi, CEA-Saclay, France
33 //
34 #define INCLXX_IN_GEANT4_MODE 1
35
36 #include "globals.hh"
37
38 #include "G4INCLNNToNSKChannel.hh"
39 #include "G4INCLKinematicsUtils.hh"
40 #include "G4INCLBinaryCollisionAvatar.hh"
41 #include "G4INCLRandom.hh"
42 #include "G4INCLGlobals.hh"
43 #include "G4INCLLogger.hh"
44 #include <algorithm>
45 #include "G4INCLPhaseSpaceGenerator.hh"
46
47 namespace G4INCL {
48
49 const G4double NNToNSKChannel::angularSlope = 2.; // What is the exact effect? Sould be check
50
51 NNToNSKChannel::NNToNSKChannel(Particle *p1, Particle *p2)
52 : particle1(p1), particle2(p2)
53 {}
54
55 NNToNSKChannel::~NNToNSKChannel(){}
56
57 void NNToNSKChannel::fillFinalState(FinalState *fs) {
58
59
60 const G4double sqrtS = KinematicsUtils::totalEnergyInCM(particle1, particle2);
61
62 const G4int iso = ParticleTable::getIsospin(particle1->getType()) + ParticleTable::getIsospin(particle2->getType());
63
64 ParticleType KaonType;
65 const G4double rdm = Random::shoot();
66 // pp->pS+K0 (1/4)
67 // pp->pS0K+ (1/8) // HEM
68 // pp->pS0K+ (1/4) // Data
69 // pp->nS+K+ (1)
70
71 // pn->nS+K0 (1/4)
72 // pn->pS-K+ (1/4)
73 // pn->nS0K+ (5/8)
74 // pn->pS0K0 (5/8)
75
76 if(iso == 2){
77 if(rdm * 6. < 4.){
78 KaonType = KPlus;
79 particle2->setType(SigmaPlus);
80 particle1->setType(Neutron);
81 }
82 else if(rdm * 6. < 5.){
83 KaonType = KZero;
84 particle2->setType(SigmaPlus);
85 }
86 else{
87 KaonType = KPlus;
88 particle2->setType(SigmaZero);
89 }
90 }
91 else if(iso == -2){
92 if(rdm * 6. < 8.){
93 KaonType = KZero;
94 particle2->setType(SigmaMinus);
95 particle1->setType(Proton);
96 }
97 else if(rdm * 6. < 5.){
98 KaonType = KPlus;
99 particle2->setType(SigmaMinus);
100 }
101 else{
102 KaonType = KZero;
103 particle2->setType(SigmaZero);
104 }
105 }
106 else{
107 if(rdm * 14. < 2.){
108 KaonType = KZero;
109 particle2->setType(SigmaPlus);
110 particle1->setType(Neutron);
111 }
112 else if(rdm * 14. < 4.){
113 KaonType = KPlus;
114 particle2->setType(SigmaMinus);
115 particle1->setType(Proton);
116 }
117 else if(rdm * 14. < 9.){
118 KaonType = KPlus;
119 particle2->setType(SigmaZero);
120 particle1->setType(Neutron);
121 }
122 else{
123 KaonType = KZero;
124 particle2->setType(SigmaZero);
125 particle1->setType(Proton);
126 }
127 }
128
129 ParticleList list;
130 list.push_back(particle1);
131 list.push_back(particle2);
132 const ThreeVector &rcol = particle2->getPosition();
133 const ThreeVector zero;
134 Particle *kaon = new Particle(KaonType,zero,rcol);
135 list.push_back(kaon);
136
137 if(Random::shoot()<0.5) PhaseSpaceGenerator::generateBiased(sqrtS, list, 0, angularSlope);
138 else PhaseSpaceGenerator::generateBiased(sqrtS, list, 1, angularSlope);
139
140 fs->addModifiedParticle(particle1);
141 fs->addModifiedParticle(particle2);
142 fs->addCreatedParticle(kaon);
143
144
145 }
146 }
147