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