Geant4-11
G4INCLNLToNSChannel.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
41#include "G4INCLRandom.hh"
42#include "G4INCLGlobals.hh"
43#include "G4INCLLogger.hh"
44#include <algorithm>
46
47namespace G4INCL {
48
50 : particle1(p1), particle2(p2)
51 {}
52
54
56
59
60 if(particle1->isNucleon()){
63 }
64 else{
67 }
68
70 const G4int iso = ParticleTable::getIsospin(nucleon->getType());
71 const G4double rdm = Random::shoot();
72
73 if(rdm*3. < 2){
75 lambda->setType(ParticleTable::getSigmaType(2*iso));
76 }
77 else{
78 lambda->setType(SigmaZero);
79 }
80
81 G4double mn=nucleon->getMass();
82 G4double my=lambda->getMass();
83
84 G4double ey=(sqrtS*sqrtS+my*my-mn*mn)/(2*sqrtS);
85 G4double en=std::sqrt(ey*ey-my*my+mn*mn);
86 nucleon->setEnergy(en);
87 lambda->setEnergy(ey);
88 G4double py=std::sqrt(ey*ey-my*my);
89
90 ThreeVector mom_hyperon = Random::normVector(py);
91
92 lambda->setMomentum(mom_hyperon);
93 nucleon->setMomentum(-mom_hyperon);
94
97
98 }
99}
double G4double
Definition: G4Types.hh:83
int G4int
Definition: G4Types.hh:85
void addModifiedParticle(Particle *p)
NLToNSChannel(Particle *, Particle *)
void fillFinalState(FinalState *fs)
G4bool isNucleon() const
G4double totalEnergyInCM(Particle const *const p1, Particle const *const p2)
ParticleType getSigmaType(const G4int isosp)
Get the type of sigma.
G4int getIsospin(const ParticleType t)
Get the isospin of a particle.
ParticleType getNucleonType(const G4int isosp)
Get the type of nucleon.
ThreeVector normVector(G4double norm=1.)
G4double shoot()
Definition: G4INCLRandom.cc:93
G4bool nucleon(G4int ityp)