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G4INCLOmegaNElasticChannel.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 
39 #include "G4INCLKinematicsUtils.hh"
41 #include "G4INCLRandom.hh"
42 #include "G4INCLGlobals.hh"
43 #include "G4INCLLogger.hh"
44 
45 namespace G4INCL {
46 
48  : particle1(p1), particle2(p2)
49  {
50 
51  }
52 
54 
55  }
56 
58  Particle * nucleon;
59  Particle * omega;
60  if(particle1->isNucleon()) {
61  nucleon = particle1;
62  omega = particle2;
63  } else {
64  nucleon = particle2;
65  omega = particle1;
66  }
67 
68  G4double sh=nucleon->getEnergy()+omega->getEnergy();
69  G4double mn=nucleon->getMass();
70  G4double me=omega->getMass();
71  G4double en=(sh*sh+mn*mn-me*me)/(2*sh);
72  nucleon->setEnergy(en);
73  G4double ee=std::sqrt(en*en-mn*mn+me*me);
74  omega->setEnergy(ee);
75  G4double pn=std::sqrt(en*en-mn*mn);
76 
77  ThreeVector mom_nucleon;
78 
79 // Isotropy
80  mom_nucleon = Random::normVector(pn);
81 
82 
83  nucleon->setMomentum(mom_nucleon);
84  omega->setMomentum(-mom_nucleon);
85 
86  fs->addModifiedParticle(nucleon);
87  fs->addModifiedParticle(omega);
88 
89  }
90 }
void addModifiedParticle(Particle *p)
OmegaNElasticChannel(Particle *, Particle *)
G4double getEnergy() const
ThreeVector normVector(G4double norm=1.)
G4bool nucleon(G4int ityp)
G4double getMass() const
Get the cached particle mass.
double G4double
Definition: G4Types.hh:76
virtual void setMomentum(const G4INCL::ThreeVector &momentum)
void setEnergy(G4double energy)
G4bool isNucleon() const