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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 "G4INCLNKbToNKbpiChannel.hh" 38 #include "G4INCLNKbToNKbpiChannel.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 NKbToNKbpiChannel::angularSlo 49 const G4double NKbToNKbpiChannel::angularSlope = 4.; // What is the exact effect? Sould be check 50 50 51 NKbToNKbpiChannel::NKbToNKbpiChannel(Particl 51 NKbToNKbpiChannel::NKbToNKbpiChannel(Particle *p1, Particle *p2) 52 : particle1(p1), particle2(p2) 52 : particle1(p1), particle2(p2) 53 {} 53 {} 54 54 55 NKbToNKbpiChannel::~NKbToNKbpiChannel(){} 55 NKbToNKbpiChannel::~NKbToNKbpiChannel(){} 56 56 57 void NKbToNKbpiChannel::fillFinalState(Final 57 void NKbToNKbpiChannel::fillFinalState(FinalState *fs) { 58 58 59 // ratio 59 // ratio 60 // p K- (28) p K0b (20) 60 // p K- (28) p K0b (20) 61 // 61 // 62 // p K- -> p K- pi0 (6)* 62 // p K- -> p K- pi0 (6)* 63 // p K- -> p K0b pi- (7)* 63 // p K- -> p K0b pi- (7)* 64 // p K- -> n K- pi+ (9)* 64 // p K- -> n K- pi+ (9)* 65 // p K- -> n K0b pi0 (6) 65 // p K- -> n K0b pi0 (6) 66 // 66 // 67 // p K0b -> p K0b pi0 (4) 67 // p K0b -> p K0b pi0 (4) 68 // p K0b -> p K- pi+ (10)* 68 // p K0b -> p K- pi+ (10)* 69 // p K0b -> n K0b pi+ (6)* 69 // p K0b -> n K0b pi+ (6)* 70 // 70 // 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 PionType; 90 ParticleType PionType; 91 91 92 if(iso == 2 || iso == -2){ 92 if(iso == 2 || iso == -2){ 93 if(rdm*5. < 1.){ 93 if(rdm*5. < 1.){ 94 PionType = PiZero; 94 PionType = PiZero; 95 } 95 } 96 else if(rdm*2. < 1.){ 96 else if(rdm*2. < 1.){ 97 PionType = ParticleTable::getPionType( 97 PionType = ParticleTable::getPionType(iso); 98 nucleon->setType(ParticleTable::getNuc 98 nucleon->setType(ParticleTable::getNucleonType(-iso/2)); 99 } 99 } 100 else{ 100 else{ 101 PionType = ParticleTable::getPionType( 101 PionType = ParticleTable::getPionType(iso); 102 kaon->setType(ParticleTable::getAntiKa 102 kaon->setType(ParticleTable::getAntiKaonType(-iso/2)); 103 } 103 } 104 } 104 } 105 else{ 105 else{ 106 if(rdm*28. < 6.){ 106 if(rdm*28. < 6.){ 107 PionType = PiZero; 107 PionType = PiZero; 108 } 108 } 109 else if(rdm*28. < 13.){ 109 else if(rdm*28. < 13.){ 110 kaon->setType(ParticleTable::getAntiKa 110 kaon->setType(ParticleTable::getAntiKaonType(iso_n)); 111 PionType = ParticleTable::getPionType( 111 PionType = ParticleTable::getPionType(-2*iso_n); 112 } 112 } 113 else if(rdm*28. < 22.){ 113 else if(rdm*28. < 22.){ 114 nucleon->setType(ParticleTable::getNuc 114 nucleon->setType(ParticleTable::getNucleonType(-iso_n)); 115 PionType = ParticleTable::getPionType( 115 PionType = ParticleTable::getPionType(2*iso_n); 116 } 116 } 117 else{ 117 else{ 118 kaon->setType(ParticleTable::getAntiKa 118 kaon->setType(ParticleTable::getAntiKaonType(iso_n)); 119 nucleon->setType(ParticleTable::getNuc 119 nucleon->setType(ParticleTable::getNucleonType(-iso_n)); 120 PionType = PiZero; 120 PionType = PiZero; 121 } 121 } 122 } 122 } 123 123 124 ParticleList list; 124 ParticleList list; 125 list.push_back(nucleon); 125 list.push_back(nucleon); 126 list.push_back(kaon); 126 list.push_back(kaon); 127 const ThreeVector &rcol = nucleon->getPosi 127 const ThreeVector &rcol = nucleon->getPosition(); 128 const ThreeVector zero; 128 const ThreeVector zero; 129 Particle *pion = new Particle(PionType,zer 129 Particle *pion = new Particle(PionType,zero,rcol); 130 list.push_back(pion); 130 list.push_back(pion); 131 131 132 PhaseSpaceGenerator::generateBiased(sqrtS, 132 PhaseSpaceGenerator::generateBiased(sqrtS, list, 0, angularSlope); 133 133 134 fs->addModifiedParticle(nucleon); 134 fs->addModifiedParticle(nucleon); 135 fs->addModifiedParticle(kaon); 135 fs->addModifiedParticle(kaon); 136 fs->addCreatedParticle(pion); 136 fs->addCreatedParticle(pion); 137 137 138 } 138 } 139 } 139 } 140 140