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Please see the license in the file LICENSE and URL above * 16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. * 17 // * 17 // * * 18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and * 19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. * 20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or * 21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its * 22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your * 23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. * 24 // ******************************************* 24 // ******************************************************************** 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 "G4INCLNKbToNKb2piChannel.hh" 38 #include "G4INCLNKbToNKb2piChannel.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 NKbToNKb2piChannel::angularSl 49 const G4double NKbToNKb2piChannel::angularSlope = 4.; // What is the exact effect? Sould be check 50 50 51 NKbToNKb2piChannel::NKbToNKb2piChannel(Parti 51 NKbToNKb2piChannel::NKbToNKb2piChannel(Particle *p1, Particle *p2) 52 : particle1(p1), particle2(p2) 52 : particle1(p1), particle2(p2) 53 {} 53 {} 54 54 55 NKbToNKb2piChannel::~NKbToNKb2piChannel(){} 55 NKbToNKb2piChannel::~NKbToNKb2piChannel(){} 56 56 57 void NKbToNKb2piChannel::fillFinalState(Fina 57 void NKbToNKb2piChannel::fillFinalState(FinalState *fs) { 58 58 59 // p K0b -> p K0b pi+ pi- (1) 59 // p K0b -> p K0b pi+ pi- (1) 60 // p K0b -> p K0b pi0 pi0 (1/4) 60 // p K0b -> p K0b pi0 pi0 (1/4) 61 // p K0b -> p K- pi+ pi0 (1) 61 // p K0b -> p K- pi+ pi0 (1) 62 // p K0b -> n K0b pi+ pi0 (1) 62 // p K0b -> n K0b pi+ pi0 (1) 63 // p K0b -> n K- pi+ pi+ (1) 63 // p K0b -> n K- pi+ pi+ (1) 64 // 64 // 65 // p K- -> p K- pi+ pi- (1) 65 // p K- -> p K- pi+ pi- (1) 66 // p K- -> p K- pi0 pi0 (1/4) 66 // p K- -> p K- pi0 pi0 (1/4) 67 // p K- -> p K0b pi0 pi- (1) 67 // p K- -> p K0b pi0 pi- (1) 68 // p K- -> n K0b pi+ pi- (1) 68 // p K- -> n K0b pi+ pi- (1) 69 // p K- -> n K0b pi0 pi0 (1/2) 69 // p K- -> n K0b pi0 pi0 (1/2) 70 // p K- -> n K- pi+ pi0 (1) 70 // p K- -> n K- pi+ pi0 (1) 71 71 72 Particle *nucleon; 72 Particle *nucleon; 73 Particle *kaon; 73 Particle *kaon; 74 74 75 if(particle1->isNucleon()){ 75 if(particle1->isNucleon()){ 76 nucleon = particle1; 76 nucleon = particle1; 77 kaon = particle2; 77 kaon = particle2; 78 } 78 } 79 else{ 79 else{ 80 nucleon = particle2; 80 nucleon = particle2; 81 kaon = particle1; 81 kaon = particle1; 82 } 82 } 83 83 84 const G4double sqrtS = KinematicsUtils::to 84 const G4double sqrtS = KinematicsUtils::totalEnergyInCM(nucleon, kaon); 85 85 86 const G4int iso = ParticleTable::getIsospi 86 const G4int iso = ParticleTable::getIsospin(nucleon->getType()) + ParticleTable::getIsospin(kaon->getType()); 87 const G4int iso_n = ParticleTable::getIsos 87 const G4int iso_n = ParticleTable::getIsospin(nucleon->getType()); 88 G4double rdm = Random::shoot(); 88 G4double rdm = Random::shoot(); 89 89 90 ParticleType Pion1Type; 90 ParticleType Pion1Type; 91 ParticleType Pion2Type; 91 ParticleType Pion2Type; 92 92 93 if(iso == 2 || iso == -2){ 93 if(iso == 2 || iso == -2){ 94 if(rdm*17. < 4.){ 94 if(rdm*17. < 4.){ 95 Pion1Type = PiPlus; 95 Pion1Type = PiPlus; 96 Pion2Type = PiMinus; 96 Pion2Type = PiMinus; 97 } 97 } 98 else if(rdm*17. < 5.){ 98 else if(rdm*17. < 5.){ 99 Pion1Type = PiZero; 99 Pion1Type = PiZero; 100 Pion2Type = PiZero; 100 Pion2Type = PiZero; 101 } 101 } 102 else if(rdm*17. < 9.){ 102 else if(rdm*17. < 9.){ 103 Pion1Type = ParticleTable::getPionType 103 Pion1Type = ParticleTable::getPionType(iso); 104 Pion2Type = PiZero; 104 Pion2Type = PiZero; 105 kaon->setType(ParticleTable::getAntiKa 105 kaon->setType(ParticleTable::getAntiKaonType(-iso_n)); 106 } 106 } 107 else if(rdm*17. < 13.){ 107 else if(rdm*17. < 13.){ 108 Pion1Type = ParticleTable::getPionType 108 Pion1Type = ParticleTable::getPionType(iso); 109 Pion2Type = PiZero; 109 Pion2Type = PiZero; 110 nucleon->setType(ParticleTable::getNuc 110 nucleon->setType(ParticleTable::getNucleonType(-iso_n)); 111 } 111 } 112 else{ 112 else{ 113 Pion1Type = ParticleTable::getPionType 113 Pion1Type = ParticleTable::getPionType(iso); 114 Pion2Type = ParticleTable::getPionType 114 Pion2Type = ParticleTable::getPionType(iso); 115 kaon->setType(ParticleTable::getAntiKa 115 kaon->setType(ParticleTable::getAntiKaonType(-iso_n)); 116 nucleon->setType(ParticleTable::getNuc 116 nucleon->setType(ParticleTable::getNucleonType(-iso_n)); 117 } 117 } 118 } 118 } 119 else{ 119 else{ 120 if(rdm*19. < 4.){ 120 if(rdm*19. < 4.){ 121 Pion1Type = PiPlus; 121 Pion1Type = PiPlus; 122 Pion2Type = PiMinus; 122 Pion2Type = PiMinus; 123 } 123 } 124 else if(rdm*19. < 5.){ 124 else if(rdm*19. < 5.){ 125 Pion1Type = PiZero; 125 Pion1Type = PiZero; 126 Pion2Type = PiZero; 126 Pion2Type = PiZero; 127 } 127 } 128 else if(rdm*19. < 9.){ 128 else if(rdm*19. < 9.){ 129 Pion1Type = ParticleTable::getPionType 129 Pion1Type = ParticleTable::getPionType(-2*iso_n); 130 Pion2Type = PiZero; 130 Pion2Type = PiZero; 131 kaon->setType(ParticleTable::getAntiKa 131 kaon->setType(ParticleTable::getAntiKaonType(iso_n)); 132 } 132 } 133 else if(rdm*19. < 13.){ 133 else if(rdm*19. < 13.){ 134 Pion1Type = PiPlus; 134 Pion1Type = PiPlus; 135 Pion2Type = PiMinus; 135 Pion2Type = PiMinus; 136 kaon->setType(ParticleTable::getAntiKa 136 kaon->setType(ParticleTable::getAntiKaonType(iso_n)); 137 nucleon->setType(ParticleTable::getNuc 137 nucleon->setType(ParticleTable::getNucleonType(-iso_n)); 138 } 138 } 139 else if(rdm*19. < 15.){ 139 else if(rdm*19. < 15.){ 140 Pion1Type = PiZero; 140 Pion1Type = PiZero; 141 Pion2Type = PiZero; 141 Pion2Type = PiZero; 142 kaon->setType(ParticleTable::getAntiKa 142 kaon->setType(ParticleTable::getAntiKaonType(iso_n)); 143 nucleon->setType(ParticleTable::getNuc 143 nucleon->setType(ParticleTable::getNucleonType(-iso_n)); 144 } 144 } 145 else{ 145 else{ 146 Pion1Type = ParticleTable::getPionType 146 Pion1Type = ParticleTable::getPionType(2*iso_n); 147 Pion2Type = PiZero; 147 Pion2Type = PiZero; 148 nucleon->setType(ParticleTable::getNuc 148 nucleon->setType(ParticleTable::getNucleonType(-iso_n)); 149 } 149 } 150 } 150 } 151 151 152 ParticleList list; 152 ParticleList list; 153 list.push_back(nucleon); 153 list.push_back(nucleon); 154 list.push_back(kaon); 154 list.push_back(kaon); 155 const ThreeVector &rcol1 = nucleon->getPos 155 const ThreeVector &rcol1 = nucleon->getPosition(); 156 const ThreeVector &rcol2 = kaon->getPositi 156 const ThreeVector &rcol2 = kaon->getPosition(); 157 const ThreeVector zero; 157 const ThreeVector zero; 158 Particle *pion1 = new Particle(Pion1Type,z 158 Particle *pion1 = new Particle(Pion1Type,zero,rcol1); 159 Particle *pion2 = new Particle(Pion2Type,z 159 Particle *pion2 = new Particle(Pion2Type,zero,rcol2); 160 list.push_back(pion1); 160 list.push_back(pion1); 161 list.push_back(pion2); 161 list.push_back(pion2); 162 162 163 PhaseSpaceGenerator::generateBiased(sqrtS, 163 PhaseSpaceGenerator::generateBiased(sqrtS, list, 0, angularSlope); 164 164 165 fs->addModifiedParticle(nucleon); 165 fs->addModifiedParticle(nucleon); 166 fs->addModifiedParticle(kaon); 166 fs->addModifiedParticle(kaon); 167 fs->addCreatedParticle(pion1); 167 fs->addCreatedParticle(pion1); 168 fs->addCreatedParticle(pion2); 168 fs->addCreatedParticle(pion2); 169 169 170 } 170 } 171 } 171 } 172 172