| 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 "G4INCLNSToNSChannel.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 NSToNSChannel::NSToNSChannel(Particle *p1, P
50 : particle1(p1), particle2(p2)
51 {}
52
53 NSToNSChannel::~NSToNSChannel(){}
54
55 void NSToNSChannel::fillFinalState(FinalStat
56
57 Particle *nucleon;
58 Particle *sigma;
59
60 if(particle1->isNucleon()){
61 nucleon = particle1;
62 sigma = particle2;
63 }
64 else{
65 nucleon = particle2;
66 sigma = particle1;
67 }
68
69 const G4double sqrtS = KinematicsUtils::to
70 const G4int iso = ParticleTable::getIsospi
71 // assert(iso == -1 || iso == 1);
72
73 if(sigma->getType() == SigmaZero){
74 nucleon->setType(ParticleTable::getNucle
75 sigma->setType(ParticleTable::getSigmaTy
76 }
77 else{
78 nucleon->setType(ParticleTable::getNucle
79 sigma->setType(SigmaZero);
80 }
81
82 G4double mn=nucleon->getMass();
83 G4double my=sigma->getMass();
84
85 G4double ey=(sqrtS*sqrtS+my*my-mn*mn)/(2*s
86 G4double en=std::sqrt(ey*ey-my*my+mn*mn);
87 nucleon->setEnergy(en);
88 sigma->setEnergy(ey);
89 G4double py=std::sqrt(ey*ey-my*my);
90
91 ThreeVector mom_hyperon = Random::normVect
92
93 sigma->setMomentum(mom_hyperon);
94 nucleon->setMomentum(-mom_hyperon);
95
96 sigma->adjustEnergyFromMomentum();
97 nucleon->adjustEnergyFromMomentum();
98
99 fs->addModifiedParticle(nucleon);
100 fs->addModifiedParticle(sigma);
101
102 }
103 }
104