source: trunk/source/processes/hadronic/models/parton_string/qgsm/src/G4BaryonSplitter.cc @ 1198

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25//
26// Split barion (antibarion) into quark and diquark (antidiquark and antiqaurk )
27// based on prototype, needs clean up of interfaces HPW Feb 1999 
28// Numbers verified and errors corrected, HPW Dec 1999
29
30#include "G4BaryonSplitter.hh"
31#include "G4ParticleTable.hh"
32
33G4BaryonSplitter::
34G4BaryonSplitter()
35{
36  theBaryons.insert(new G4SPBaryon(G4Proton::Proton()));
37  theBaryons.insert(new G4SPBaryon(G4Neutron::Neutron()));
38  theBaryons.insert(new G4SPBaryon(G4AntiProton::AntiProton()));
39  theBaryons.insert(new G4SPBaryon(G4AntiNeutron::AntiNeutron()));
40  theBaryons.insert(new G4SPBaryon(G4ParticleTable::GetParticleTable()->FindParticle(2224))); // D++
41  theBaryons.insert(new G4SPBaryon(G4ParticleTable::GetParticleTable()->FindParticle(2214))); // D+
42  theBaryons.insert(new G4SPBaryon(G4ParticleTable::GetParticleTable()->FindParticle(2114))); // D0
43  theBaryons.insert(new G4SPBaryon(G4ParticleTable::GetParticleTable()->FindParticle(1114))); // D-
44  theBaryons.insert(new G4SPBaryon(G4ParticleTable::GetParticleTable()->FindParticle(-2224))); // anti D++
45  theBaryons.insert(new G4SPBaryon(G4ParticleTable::GetParticleTable()->FindParticle(-2214))); // anti D+
46  theBaryons.insert(new G4SPBaryon(G4ParticleTable::GetParticleTable()->FindParticle(-2114))); // anti D0
47  theBaryons.insert(new G4SPBaryon(G4ParticleTable::GetParticleTable()->FindParticle(-1114))); // anti D-
48  theBaryons.insert(new G4SPBaryon(G4Lambda::Lambda()));
49  theBaryons.insert(new G4SPBaryon(G4AntiLambda::AntiLambda()));
50  theBaryons.insert(new G4SPBaryon(G4SigmaPlus::SigmaPlus()));
51  theBaryons.insert(new G4SPBaryon(G4SigmaZero::SigmaZero()));
52  theBaryons.insert(new G4SPBaryon(G4SigmaMinus::SigmaMinus()));
53  theBaryons.insert(new G4SPBaryon(G4AntiSigmaPlus::AntiSigmaPlus()));
54  theBaryons.insert(new G4SPBaryon(G4AntiSigmaZero::AntiSigmaZero()));
55  theBaryons.insert(new G4SPBaryon(G4AntiSigmaMinus::AntiSigmaMinus()));
56  theBaryons.insert(new G4SPBaryon(G4ParticleTable::GetParticleTable()->FindParticle(3224))); // S+*
57  theBaryons.insert(new G4SPBaryon(G4ParticleTable::GetParticleTable()->FindParticle(3214))); // S0*
58  theBaryons.insert(new G4SPBaryon(G4ParticleTable::GetParticleTable()->FindParticle(3114))); // S-*
59  theBaryons.insert(new G4SPBaryon(G4ParticleTable::GetParticleTable()->FindParticle(-3224))); // anti S+*
60  theBaryons.insert(new G4SPBaryon(G4ParticleTable::GetParticleTable()->FindParticle(-3214))); // anti S0*
61  theBaryons.insert(new G4SPBaryon(G4ParticleTable::GetParticleTable()->FindParticle(-3114))); // anti S-*
62  theBaryons.insert(new G4SPBaryon(G4XiMinus::XiMinus()));
63  theBaryons.insert(new G4SPBaryon(G4XiZero::XiZero()));
64  theBaryons.insert(new G4SPBaryon(G4AntiXiMinus::AntiXiMinus()));
65  theBaryons.insert(new G4SPBaryon(G4AntiXiZero::AntiXiZero()));
66  theBaryons.insert(new G4SPBaryon(G4OmegaMinus::OmegaMinus()));
67  theBaryons.insert(new G4SPBaryon(G4AntiOmegaMinus::AntiOmegaMinus()));
68  theBaryons.insert(new G4SPBaryon(G4ParticleTable::GetParticleTable()->FindParticle(3324))); // X0*
69  theBaryons.insert(new G4SPBaryon(G4ParticleTable::GetParticleTable()->FindParticle(3314))); // X-*
70  theBaryons.insert(new G4SPBaryon(G4ParticleTable::GetParticleTable()->FindParticle(-3324))); // anti X0*
71  theBaryons.insert(new G4SPBaryon(G4ParticleTable::GetParticleTable()->FindParticle(-3314))); // anti X-*
72}
73
74G4bool G4BaryonSplitter::
75SplitBarion(G4int PDGCode, G4int* q_or_qqbar, G4int* qbar_or_qq)
76{
77  const G4SPBaryon * aBaryon = theBaryons.GetBaryon(G4ParticleTable::GetParticleTable()->FindParticle(PDGCode));
78  if(aBaryon==NULL)
79  {
80    return FALSE;
81  }
82  else
83  {
84    aBaryon->SampleQuarkAndDiquark(*q_or_qqbar, *qbar_or_qq);
85    return TRUE;
86  }
87}
88
89
90// Get the splittable baryon for a PDG code.
91const G4SPBaryon & G4BaryonSplitter::
92GetSPBaryon(G4int PDGCode)
93{
94return *theBaryons.GetBaryon(G4ParticleTable::GetParticleTable()->FindParticle(PDGCode));
95}
96
97
98// Find rest diquark in given barion after quark - antiquark annihilation 
99G4bool G4BaryonSplitter::
100FindDiquark(G4int PDGCode, G4int Quark, G4int* Diquark)
101{
102  const G4SPBaryon * aBaryon = theBaryons.GetBaryon(G4ParticleTable::GetParticleTable()->FindParticle(PDGCode));
103  if(aBaryon)
104  {
105    aBaryon->FindDiquark(Quark, *Diquark);
106    return true;
107  }
108  return false;
109}
110
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