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 "G4INCLNNToMissingStrangenessChannel. 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 NNToMissingStrangenessChannel 50 51 NNToMissingStrangenessChannel::NNToMissingSt 52 : particle1(p1), particle2(p2) 53 {} 54 55 NNToMissingStrangenessChannel::~NNToMissingS 56 57 void NNToMissingStrangenessChannel::fillFina 58 59 const G4double sqrtS = KinematicsUtils::to 60 const G4double pLab = 0.001*KinematicsUtil 61 // assert(sqrtS > 3100); // ! > 3047.34. Not s 62 63 const G4int iso = ParticleTable::getIsospi 64 // assert(iso == -2 || iso == 0 || iso == 2); 65 G4int iso_system = 0; 66 G4int available_iso = 0; 67 G4int nbr_pions = 0; 68 G4int min_pions = 0; 69 G4int max_pions = 0; 70 71 G4double rdm = Random::shoot(); 72 73 //G4int nbr_particle = 3; 74 75 if(rdm < 0.35){ 76 // N-K-Lambda chosen 77 particle2->setType(Lambda); 78 available_iso = 2; 79 min_pions = 3; 80 max_pions = G4int((sqrtS-ParticleTable:: 81 } 82 else if((iso == 0 && rdm < 0.55) || rdm < 83 // N-N-K-Kb chosen 84 //nbr_particle++; 85 available_iso = 4; 86 min_pions = 1; 87 max_pions = G4int((sqrtS-2.*ParticleTabl 88 } 89 else{ 90 // N-K-Sigma chosen 91 available_iso = 4; 92 min_pions = 3; 93 max_pions = G4int((sqrtS-ParticleTable:: 94 } 95 /* Gaussian noise + mean 96 G4double intermediaire = min_pions + Rando 97 nbr_pions = std::min(max_pions,std::max(mi 98 99 available_iso += nbr_pions*2; 100 //nbr_particle += nbr_pions; 101 102 ParticleList list; 103 ParticleType PionType = PiZero; 104 const ThreeVector &rcol1 = particle1->getP 105 const ThreeVector zero; 106 Particle *kaon = new Particle(KPlus,zero,r 107 108 for(Int_t i=0; i<nbr_pions; i++){ 109 Particle *pion = new Particle(PionType,z 110 if(available_iso-std::abs(iso-iso_system 111 rdm = Random::shoot(); 112 if(((iso == 0) && rdm < 0.3) || ((iso 113 pion->setType(PiMinus); 114 iso_system -= 2; 115 available_iso -= 2; 116 } 117 else if(((iso == 0) && rdm < 0.7) || ( 118 pion->setType(PiZero); 119 available_iso -= 2; 120 } 121 else{ 122 pion->setType(PiPlus); 123 iso_system += 2; 124 available_iso -= 2; 125 } 126 } 127 else if(available_iso-std::abs(iso-iso_s 128 rdm = Random::shoot(); 129 // pn pp too hig 130 if(((iso == 0) && (rdm*0.7 < 0.3)) || 131 pion->setType(ParticleTable::getPion 132 iso_system += Math::sign(iso-iso_sys 133 available_iso -= 2; 134 } 135 else{ 136 PionType = PiZero; 137 available_iso -= 2; 138 } 139 } 140 else if(available_iso-std::abs(iso-iso_s 141 pion->setType(ParticleTable::getPionTy 142 iso_system += Math::sign(iso-iso_syste 143 available_iso -= 2; 144 } 145 else INCL_ERROR("Pion Generation Problem 146 list.push_back(pion); 147 } 148 149 if(particle2->isLambda()){ // N-K-Lambda 150 // assert(available_iso == 2); 151 if(std::abs(iso-iso_system) == 2){ 152 particle1->setType(ParticleTable::getN 153 kaon->setType(ParticleTable::getKaonTy 154 } 155 else if(std::abs(iso-iso_system) == 0){ 156 rdm = G4int(Random::shoot()*2.)*2-1; 157 particle1->setType(ParticleTable::getN 158 kaon->setType(ParticleTable::getKaonTy 159 } 160 else INCL_ERROR("Isospin non-conservatio 161 } 162 else if(min_pions == 1){ // N-N-K-Kb chose 163 // assert(available_iso == 4); 164 Particle *antikaon = new Particle(KMinus 165 if(std::abs(iso-iso_system) == 4){ 166 particle1->setType(ParticleTable::getN 167 particle2->setType(ParticleTable::getN 168 kaon->setType(ParticleTable::getKaonTy 169 antikaon->setType(ParticleTable::getAn 170 } 171 else if(std::abs(iso-iso_system) == 2){ 172 rdm = G4int(Random::shoot()*2.)*2-1; 173 particle1->setType(ParticleTable::getN 174 particle2->setType(ParticleTable::getN 175 kaon->setType(ParticleTable::getKaonTy 176 antikaon->setType(ParticleTable::getAn 177 } 178 else if(std::abs(iso-iso_system) == 0){ 179 rdm = G4int(Random::shoot()*2.)*2-1; 180 G4double rdm2 = G4int(Random::shoot()* 181 particle1->setType(ParticleTable::getN 182 particle2->setType(ParticleTable::getN 183 kaon->setType(ParticleTable::getKaonTy 184 antikaon->setType(ParticleTable::getAn 185 } 186 else INCL_ERROR("Isospin non-conservatio 187 list.push_back(antikaon); 188 nbr_pions += 1; // need for addCreatedPa 189 } 190 else{// N-K-Sigma 191 // assert(available_iso == 4); 192 if(std::abs(iso-iso_system) == 4){ 193 particle1->setType(ParticleTable::getN 194 particle2->setType(ParticleTable::getS 195 kaon->setType(ParticleTable::getKaonTy 196 } 197 else if(std::abs(iso-iso_system) == 2){ 198 rdm = Random::shoot(); 199 // pp(pn) sp:0.42(0.23) sz:0.51(0.54) 200 if(((iso == 0) && (rdm*0.77 < 0.23)) | 201 particle2->setType(ParticleTable::ge 202 rdm = G4int(Random::shoot()*2.)*2-1; 203 particle1->setType(ParticleTable::ge 204 kaon->setType(ParticleTable::getKaon 205 } 206 else{ 207 particle2->setType(SigmaZero); 208 particle1->setType(ParticleTable::ge 209 kaon->setType(ParticleTable::getKaon 210 } 211 } 212 else if(std::abs(iso-iso_system) == 0){ 213 if(((iso == 0) && rdm < 0.23) || ((iso 214 particle2->setType(SigmaPlus); 215 particle1->setType(Neutron); 216 kaon->setType(KZero); 217 } 218 else if(((iso == 0) && rdm < 0.77) || 219 particle2->setType(SigmaZero); 220 rdm = G4int(Random::shoot()*2.)*2-1; 221 particle1->setType(ParticleTable::ge 222 kaon->setType(ParticleTable::getKaon 223 } 224 else{ 225 particle2->setType(SigmaMinus); 226 particle1->setType(Proton); 227 kaon->setType(KPlus); 228 } 229 } 230 else INCL_ERROR("Isospin non-conservatio 231 } 232 233 list.push_back(particle1); 234 list.push_back(particle2); 235 list.push_back(kaon); 236 237 PhaseSpaceGenerator::generateBiased(sqrtS, 238 239 fs->addModifiedParticle(particle1); 240 fs->addModifiedParticle(particle2); 241 fs->addCreatedParticle(kaon); 242 for(Int_t i=0; i<nbr_pions; i++) fs->addCr 243 244 } 245 } 246