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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 "G4INCLNKToNKpiChannel.hh" 38 #include "G4INCLNKToNKpiChannel.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 NKToNKpiChannel::angularSlope 49 const G4double NKToNKpiChannel::angularSlope = 4.; // What is the exact effect? Sould be check 50 50 51 NKToNKpiChannel::NKToNKpiChannel(Particle *p 51 NKToNKpiChannel::NKToNKpiChannel(Particle *p1, Particle *p2) 52 : particle1(p1), particle2(p2) 52 : particle1(p1), particle2(p2) 53 {} 53 {} 54 54 55 NKToNKpiChannel::~NKToNKpiChannel(){} 55 NKToNKpiChannel::~NKToNKpiChannel(){} 56 56 57 void NKToNKpiChannel::fillFinalState(FinalSt 57 void NKToNKpiChannel::fillFinalState(FinalState *fs) { 58 58 59 // K+ p -> p K+ pi0 (1.2) 59 // K+ p -> p K+ pi0 (1.2) 60 // K+ p -> p K0 pi+ (3) 60 // K+ p -> p K0 pi+ (3) 61 // K+ p -> n K+ pi+ (0.8) 61 // K+ p -> n K+ pi+ (0.8) 62 // 62 // 63 // K0 p -> p K+ pi- (1) 63 // K0 p -> p K+ pi- (1) 64 // K0 p -> p K0 pi0 (0.845) 64 // K0 p -> p K0 pi0 (0.845) 65 // K0 p -> n K+ pi0 (1.47) 65 // K0 p -> n K+ pi0 (1.47) 66 // K0 p -> n K0 pi+ (2.23) 66 // K0 p -> n K0 pi+ (2.23) 67 67 68 Particle *nucleon; 68 Particle *nucleon; 69 Particle *kaon; 69 Particle *kaon; 70 70 71 if(particle1->isNucleon()){ 71 if(particle1->isNucleon()){ 72 nucleon = particle1; 72 nucleon = particle1; 73 kaon = particle2; 73 kaon = particle2; 74 } 74 } 75 else{ 75 else{ 76 nucleon = particle2; 76 nucleon = particle2; 77 kaon = particle1; 77 kaon = particle1; 78 } 78 } 79 79 80 const G4double sqrtS = KinematicsUtils::to 80 const G4double sqrtS = KinematicsUtils::totalEnergyInCM(nucleon, kaon); 81 81 82 const G4int iso = ParticleTable::getIsospi 82 const G4int iso = ParticleTable::getIsospin(nucleon->getType()) + ParticleTable::getIsospin(kaon->getType()); 83 const G4int iso_n = ParticleTable::getIsos 83 const G4int iso_n = ParticleTable::getIsospin(nucleon->getType()); 84 G4double rdm = Random::shoot(); 84 G4double rdm = Random::shoot(); 85 85 86 ParticleType PionType; 86 ParticleType PionType; 87 87 88 if(iso == 2 || iso == -2){ 88 if(iso == 2 || iso == -2){ 89 if(rdm*5. < 1.2){ 89 if(rdm*5. < 1.2){ 90 PionType = PiZero; 90 PionType = PiZero; 91 } 91 } 92 else if(rdm*5. < 4.2){ 92 else if(rdm*5. < 4.2){ 93 PionType = ParticleTable::getPionType( 93 PionType = ParticleTable::getPionType(iso); 94 kaon->setType(ParticleTable::getKaonTy 94 kaon->setType(ParticleTable::getKaonType(-iso/2)); 95 } 95 } 96 else{ 96 else{ 97 PionType = ParticleTable::getPionType( 97 PionType = ParticleTable::getPionType(iso); 98 nucleon->setType(ParticleTable::getNuc 98 nucleon->setType(ParticleTable::getNucleonType(-iso/2)); 99 } 99 } 100 } 100 } 101 else{ 101 else{ 102 if(rdm*5.545 < 1.){ 102 if(rdm*5.545 < 1.){ 103 kaon->setType(ParticleTable::getKaonTy 103 kaon->setType(ParticleTable::getKaonType(iso_n)); 104 PionType = ParticleTable::getPionType( 104 PionType = ParticleTable::getPionType(-2*iso_n); 105 } 105 } 106 else if(rdm*5.545 < 1.845){ 106 else if(rdm*5.545 < 1.845){ 107 PionType = PiZero; 107 PionType = PiZero; 108 } 108 } 109 else if(rdm*5.545 < 3.315){ 109 else if(rdm*5.545 < 3.315){ 110 kaon->setType(ParticleTable::getKaonTy 110 kaon->setType(ParticleTable::getKaonType(iso_n)); 111 nucleon->setType(ParticleTable::getNuc 111 nucleon->setType(ParticleTable::getNucleonType(-iso_n)); 112 PionType = PiZero; 112 PionType = PiZero; 113 } 113 } 114 else{ 114 else{ 115 nucleon->setType(ParticleTable::getNuc 115 nucleon->setType(ParticleTable::getNucleonType(-iso_n)); 116 PionType = ParticleTable::getPionType( 116 PionType = ParticleTable::getPionType(2*iso_n); 117 } 117 } 118 } 118 } 119 119 120 ParticleList list; 120 ParticleList list; 121 list.push_back(nucleon); 121 list.push_back(nucleon); 122 list.push_back(kaon); 122 list.push_back(kaon); 123 const ThreeVector &rcol = nucleon->getPosi 123 const ThreeVector &rcol = nucleon->getPosition(); 124 const ThreeVector zero; 124 const ThreeVector zero; 125 Particle *pion = new Particle(PionType,zer 125 Particle *pion = new Particle(PionType,zero,rcol); 126 list.push_back(pion); 126 list.push_back(pion); 127 127 128 PhaseSpaceGenerator::generateBiased(sqrtS, 128 PhaseSpaceGenerator::generateBiased(sqrtS, list, 0, angularSlope); 129 129 130 fs->addModifiedParticle(nucleon); 130 fs->addModifiedParticle(nucleon); 131 fs->addModifiedParticle(kaon); 131 fs->addModifiedParticle(kaon); 132 fs->addCreatedParticle(pion); 132 fs->addCreatedParticle(pion); 133 133 134 } 134 } 135 } 135 } 136 136