Geant4 Cross Reference |
1 // 1 2 // ******************************************* 3 // * License and Disclaimer 4 // * 5 // * The Geant4 software is copyright of th 6 // * the Geant4 Collaboration. It is provided 7 // * conditions of the Geant4 Software License 8 // * LICENSE and available at http://cern.ch/ 9 // * include a list of copyright holders. 10 // * 11 // * Neither the authors of this software syst 12 // * institutes,nor the agencies providing fin 13 // * work make any representation or warran 14 // * regarding this software system or assum 15 // * use. Please see the license in the file 16 // * for the full disclaimer and the limitatio 17 // * 18 // * This code implementation is the result 19 // * technical work of the GEANT4 collaboratio 20 // * By using, copying, modifying or distri 21 // * any work based on the software) you ag 22 // * use in resulting scientific publicati 23 // * acceptance of all terms of the Geant4 Sof 24 // ******************************************* 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 H 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 "G4INCLNDeltaToNNKKbChannel.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 NDeltaToNNKKbChannel::angular 50 51 NDeltaToNNKKbChannel::NDeltaToNNKKbChannel(P 52 : particle1(p1), particle2(p2) 53 {} 54 55 NDeltaToNNKKbChannel::~NDeltaToNNKKbChannel( 56 57 void NDeltaToNNKKbChannel::fillFinalState(Fi 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::to 77 78 const G4int iso = ParticleTable::getIsospi 79 G4int iso_n; 80 if(particle1->isNucleon()) iso_n = Particl 81 else iso_n = ParticleTable::getIsospin(par 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::getNucleon 92 Nucleon2Type = ParticleTable::getNucleon 93 KaonType = ParticleTable::getKaonType(is 94 antiKaonType = ParticleTable::getAntiKao 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( 107 antiKaonType = ParticleTable::getAntiK 108 } 109 else if(rdm*8 < 6){ 110 Nucleon1Type = Proton; 111 Nucleon2Type = Neutron; 112 KaonType = ParticleTable::getKaonType( 113 antiKaonType = ParticleTable::getAntiK 114 } 115 else{ 116 Nucleon1Type = Neutron; 117 Nucleon2Type = Neutron; 118 KaonType = KPlus; 119 antiKaonType = KZeroBar; 120 } 121 } 122 else if(ParticleTable::getIsospin(particle 123 if(rdm*3 < 1){ 124 Nucleon1Type = ParticleTable::getNucle 125 Nucleon2Type = ParticleTable::getNucle 126 KaonType = ParticleTable::getKaonType( 127 antiKaonType = ParticleTable::getAntiK 128 } 129 else if(rdm*3 < 2){ 130 Nucleon1Type = ParticleTable::getNucle 131 Nucleon2Type = ParticleTable::getNucle 132 KaonType = ParticleTable::getKaonType( 133 antiKaonType = ParticleTable::getAntiK 134 } 135 else{ 136 Nucleon1Type = ParticleTable::getNucle 137 Nucleon2Type = ParticleTable::getNucle 138 KaonType = ParticleTable::getKaonType( 139 antiKaonType = ParticleTable::getAntiK 140 } 141 } 142 else{// D++ n 143 if(rdm*5 < 2){ 144 Nucleon1Type = ParticleTable::getNucle 145 Nucleon2Type = ParticleTable::getNucle 146 KaonType = ParticleTable::getKaonType( 147 antiKaonType = ParticleTable::getAntiK 148 } 149 else if(rdm*5 < 4){ 150 Nucleon1Type = ParticleTable::getNucle 151 Nucleon2Type = ParticleTable::getNucle 152 KaonType = ParticleTable::getKaonType( 153 antiKaonType = ParticleTable::getAntiK 154 } 155 else{ 156 Nucleon1Type = ParticleTable::getNucle 157 Nucleon2Type = ParticleTable::getNucle 158 KaonType = ParticleTable::getKaonType( 159 antiKaonType = ParticleTable::getAntiK 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->getP 171 const ThreeVector zero1; 172 const ThreeVector &rcol2 = particle2->getP 173 const ThreeVector zero2; 174 Particle *kaon = new Particle(KaonType,zer 175 Particle *antikaon = new Particle(antiKaon 176 list.push_back(kaon); 177 list.push_back(antikaon); 178 179 if(Random::shoot()<0.5) PhaseSpaceGenerato 180 else PhaseSpaceGenerator::generateBiased(s 181 182 fs->addModifiedParticle(particle1); 183 fs->addModifiedParticle(particle2); 184 fs->addCreatedParticle(kaon); 185 fs->addCreatedParticle(antikaon); 186 187 } 188 } 189