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25 // 25 //
26 // INCL++ intra-nuclear cascade model 26 // INCL++ intra-nuclear cascade model
27 // Alain Boudard, CEA-Saclay, France 27 // Alain Boudard, CEA-Saclay, France
28 // Joseph Cugnon, University of Liege, Belgium 28 // Joseph Cugnon, University of Liege, Belgium
29 // Jean-Christophe David, CEA-Saclay, France 29 // Jean-Christophe David, CEA-Saclay, France
30 // Pekka Kaitaniemi, CEA-Saclay, France, and H 30 // Pekka Kaitaniemi, CEA-Saclay, France, and Helsinki Institute of Physics, Finland
31 // Sylvie Leray, CEA-Saclay, France 31 // Sylvie Leray, CEA-Saclay, France
32 // Davide Mancusi, CEA-Saclay, France 32 // Davide Mancusi, CEA-Saclay, France
33 // 33 //
34 #define INCLXX_IN_GEANT4_MODE 1 34 #define INCLXX_IN_GEANT4_MODE 1
35 35
36 #include "globals.hh" 36 #include "globals.hh"
37 37
38 #include "G4INCLNNToNNKKbChannel.hh" 38 #include "G4INCLNNToNNKKbChannel.hh"
39 #include "G4INCLKinematicsUtils.hh" 39 #include "G4INCLKinematicsUtils.hh"
40 #include "G4INCLBinaryCollisionAvatar.hh" 40 #include "G4INCLBinaryCollisionAvatar.hh"
41 #include "G4INCLRandom.hh" 41 #include "G4INCLRandom.hh"
42 #include "G4INCLGlobals.hh" 42 #include "G4INCLGlobals.hh"
43 #include "G4INCLLogger.hh" 43 #include "G4INCLLogger.hh"
44 #include <algorithm> 44 #include <algorithm>
45 #include "G4INCLPhaseSpaceGenerator.hh" 45 #include "G4INCLPhaseSpaceGenerator.hh"
46 46
47 namespace G4INCL { 47 namespace G4INCL {
48 48
49 const G4double NNToNNKKbChannel::angularSlop 49 const G4double NNToNNKKbChannel::angularSlope = 2.; // What is the exact effect? Sould be check
50 50
51 NNToNNKKbChannel::NNToNNKKbChannel(Particle 51 NNToNNKKbChannel::NNToNNKKbChannel(Particle *p1, Particle *p2)
52 : particle1(p1), particle2(p2) 52 : particle1(p1), particle2(p2)
53 {} 53 {}
54 54
55 NNToNNKKbChannel::~NNToNNKKbChannel(){} 55 NNToNNKKbChannel::~NNToNNKKbChannel(){}
56 56
57 void NNToNNKKbChannel::fillFinalState(FinalS 57 void NNToNNKKbChannel::fillFinalState(FinalState *fs) {
58 58
59 // pp -> pp K+ K- (1) 59 // pp -> pp K+ K- (1)
60 // pp -> pp K0 K0 (1) 60 // pp -> pp K0 K0 (1)
61 // pp -> pn K+ K0 (4) 61 // pp -> pn K+ K0 (4)
62 // pn -> pp K0 K- (4) 62 // pn -> pp K0 K- (4)
63 // pn -> pn K+ K- (9) 63 // pn -> pn K+ K- (9)
64 64
65 const G4double sqrtS = KinematicsUtils::to 65 const G4double sqrtS = KinematicsUtils::totalEnergyInCM(particle1, particle2);
66 66
67 const G4int iso = ParticleTable::getIsospi 67 const G4int iso = ParticleTable::getIsospin(particle1->getType()) + ParticleTable::getIsospin(particle2->getType());
68 68
69 ParticleType Kaon1Type; 69 ParticleType Kaon1Type;
70 ParticleType Kaon2Type; 70 ParticleType Kaon2Type;
71 G4double rdm = Random::shoot(); 71 G4double rdm = Random::shoot();
72 72
73 if(iso == 2){ 73 if(iso == 2){
74 if(rdm*6. < 1.){ 74 if(rdm*6. < 1.){
75 Kaon1Type = KPlus; 75 Kaon1Type = KPlus;
76 Kaon2Type = KMinus; 76 Kaon2Type = KMinus;
77 } 77 }
78 else if(rdm*6. < 2){ 78 else if(rdm*6. < 2){
79 Kaon1Type = KZero; 79 Kaon1Type = KZero;
80 Kaon2Type = KZeroBar; 80 Kaon2Type = KZeroBar;
81 } 81 }
82 else{ 82 else{
83 Kaon1Type = KPlus; 83 Kaon1Type = KPlus;
84 Kaon2Type = KZeroBar; 84 Kaon2Type = KZeroBar;
85 particle1->setType(Neutron); 85 particle1->setType(Neutron);
86 } 86 }
87 } 87 }
88 else if(iso == -2){ 88 else if(iso == -2){
89 if(rdm*6. < 1.){ 89 if(rdm*6. < 1.){
90 Kaon1Type = KPlus; 90 Kaon1Type = KPlus;
91 Kaon2Type = KMinus; 91 Kaon2Type = KMinus;
92 } 92 }
93 else if(rdm*6. < 2){ 93 else if(rdm*6. < 2){
94 Kaon1Type = KZero; 94 Kaon1Type = KZero;
95 Kaon2Type = KZeroBar; 95 Kaon2Type = KZeroBar;
96 } 96 }
97 else{ 97 else{
98 Kaon1Type = KZero; 98 Kaon1Type = KZero;
99 Kaon2Type = KMinus; 99 Kaon2Type = KMinus;
100 particle1->setType(Proton); 100 particle1->setType(Proton);
101 } 101 }
102 } 102 }
103 else if(rdm*26. < 9.){ 103 else if(rdm*26. < 9.){
104 Kaon1Type = KPlus; 104 Kaon1Type = KPlus;
105 Kaon2Type = KMinus; 105 Kaon2Type = KMinus;
106 } 106 }
107 else if(rdm*26. < 18.){ 107 else if(rdm*26. < 18.){
108 Kaon1Type = KZero; 108 Kaon1Type = KZero;
109 Kaon2Type = KZeroBar; 109 Kaon2Type = KZeroBar;
110 } 110 }
111 else if(rdm*26. < 22.){ 111 else if(rdm*26. < 22.){
112 Kaon1Type = KZero; 112 Kaon1Type = KZero;
113 Kaon2Type = KMinus; 113 Kaon2Type = KMinus;
114 particle1->setType(Proton); 114 particle1->setType(Proton);
115 particle2->setType(Proton); 115 particle2->setType(Proton);
116 } 116 }
117 else{ 117 else{
118 Kaon1Type = KPlus; 118 Kaon1Type = KPlus;
119 Kaon2Type = KZeroBar; 119 Kaon2Type = KZeroBar;
120 particle1->setType(Neutron); 120 particle1->setType(Neutron);
121 particle2->setType(Neutron); 121 particle2->setType(Neutron);
122 } 122 }
123 123
124 ParticleList list; 124 ParticleList list;
125 list.push_back(particle1); 125 list.push_back(particle1);
126 list.push_back(particle2); 126 list.push_back(particle2);
127 const ThreeVector &rcol1 = particle1->getP 127 const ThreeVector &rcol1 = particle1->getPosition();
128 const ThreeVector &rcol2 = particle2->getP 128 const ThreeVector &rcol2 = particle2->getPosition();
129 const ThreeVector zero; 129 const ThreeVector zero;
130 Particle *kaon = new Particle(Kaon1Type,ze 130 Particle *kaon = new Particle(Kaon1Type,zero,rcol1);
131 Particle *antikaon = new Particle(Kaon2Typ 131 Particle *antikaon = new Particle(Kaon2Type,zero,rcol2);
132 list.push_back(kaon); 132 list.push_back(kaon);
133 list.push_back(antikaon); 133 list.push_back(antikaon);
134 134
135 if(Random::shoot()<0.5) PhaseSpaceGenerato 135 if(Random::shoot()<0.5) PhaseSpaceGenerator::generateBiased(sqrtS, list, 0, angularSlope);
136 else PhaseSpaceGenerator::generateBiased(s 136 else PhaseSpaceGenerator::generateBiased(sqrtS, list, 1, angularSlope);
137 137
138 fs->addModifiedParticle(particle1); 138 fs->addModifiedParticle(particle1);
139 fs->addModifiedParticle(particle2); 139 fs->addModifiedParticle(particle2);
140 fs->addCreatedParticle(kaon); 140 fs->addCreatedParticle(kaon);
141 fs->addCreatedParticle(antikaon); 141 fs->addCreatedParticle(antikaon);
142 142
143 } 143 }
144 } 144 }
145 145