Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/processes/hadronic/models/inclxx/incl_physics/src/G4INCLNYElasticChannel.cc

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 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 Helsinki Institute of Physics, Finland
 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 "G4INCLNYElasticChannel.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   NYElasticChannel::NYElasticChannel(Particle *p1, Particle *p2)
 50     : particle1(p1), particle2(p2)
 51     {}
 52   
 53   NYElasticChannel::~NYElasticChannel(){}
 54   
 55   void NYElasticChannel::fillFinalState(FinalState *fs) {
 56     
 57     Particle *nucleon;
 58     Particle *hyperon;
 59     
 60     if(particle1->isNucleon()){
 61       nucleon = particle1;
 62       hyperon = particle2;
 63     }
 64     else{
 65       nucleon = particle2;
 66       hyperon = particle1;
 67     }
 68     
 69     const G4double Pcm = KinematicsUtils::momentumInCM(nucleon, hyperon);
 70     
 71     ThreeVector mom_hyperon = Random::normVector(Pcm);
 72 
 73     hyperon->setMomentum(mom_hyperon);
 74     nucleon->setMomentum(-mom_hyperon);
 75     
 76     hyperon->adjustEnergyFromMomentum();
 77     nucleon->adjustEnergyFromMomentum();
 78     
 79     fs->addModifiedParticle(nucleon);
 80     fs->addModifiedParticle(hyperon);
 81         
 82   }
 83 }
 84