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 "G4INCLPiNToOmegaChannel.hh" 39 #include "G4INCLKinematicsUtils.hh" 40 #include "G4INCLBinaryCollisionAvatar.hh" 41 #include "G4INCLRandom.hh" 42 #include "G4INCLGlobals.hh" 43 #include "G4INCLLogger.hh" 44 45 namespace G4INCL { 46 47 PiNToOmegaChannel::PiNToOmegaChannel(Parti 48 : particle1(p1), particle2(p2) 49 { 50 51 } 52 53 PiNToOmegaChannel::~PiNToOmegaChannel(){ 54 55 } 56 57 void PiNToOmegaChannel::fillFinalState(Fin 58 Particle * nucleon; 59 Particle * pion; 60 if(particle1->isNucleon()) { 61 nucleon = particle1; 62 pion = particle2; 63 } else { 64 nucleon = particle2; 65 pion = particle1; 66 } 67 68 G4int iso=ParticleTable::getIsospin(nu 69 // assert(iso == 1 || iso == -1); 70 if (iso == 1) { 71 nucleon->setType(Proton); 72 } 73 else if (iso == -1) { 74 nucleon->setType(Neutron); 75 } 76 pion->setType(Omega); 77 #ifdef INCLXX_IN_GEANT4_MODE 78 // Erase the parent resonance information 79 nucleon->setParentResonancePDGCode(0); 80 nucleon->setParentResonanceID(0); 81 pion->setParentResonancePDGCode(0); 82 pion->setParentResonanceID(0); 83 #endif 84 // nucleon->setEnergy(std::sqrt((nucleo 85 // pion->setEnergy(std::sqrt((pion->get 86 G4double sh=nucleon->getEnergy()+pion->getEn 87 G4double mn=nucleon->getMass(); 88 G4double me=pion->getMass(); 89 G4double en=(sh*sh+mn*mn-me*me)/(2*sh); 90 nucleon->setEnergy(en); 91 G4double ee=std::sqrt(en*en-mn*mn+me*me); 92 pion->setEnergy(ee); 93 G4double pn=std::sqrt(en*en-mn*mn); 94 95 ThreeVector mom_nucleon = Random::normVect 96 97 nucleon->setMomentum(mom_nucleon); 98 pion->setMomentum(-mom_nucleon); 99 100 fs->addModifiedParticle(nucleon); 101 fs->addModifiedParticle(pion); 102 } 103 104 } 105