G4BaryonSplitter.cc

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00025 //
00026 // Split barion (antibarion) into quark and diquark (antidiquark and antiqaurk ) 
00027 // based on prototype, needs clean up of interfaces HPW Feb 1999  
00028 // Numbers verified and errors corrected, HPW Dec 1999
00029 
00030 #include "G4BaryonSplitter.hh"
00031 #include "G4ParticleTable.hh"
00032 
00033 G4BaryonSplitter::
00034 G4BaryonSplitter()
00035 {
00036         theBaryons.insert(new G4SPBaryon(G4Proton::Proton()));
00037         theBaryons.insert(new G4SPBaryon(G4Neutron::Neutron()));
00038         theBaryons.insert(new G4SPBaryon(G4AntiProton::AntiProton()));
00039         theBaryons.insert(new G4SPBaryon(G4AntiNeutron::AntiNeutron()));
00040         theBaryons.insert(new G4SPBaryon(G4ParticleTable::GetParticleTable()->FindParticle(2224))); // D++
00041         theBaryons.insert(new G4SPBaryon(G4ParticleTable::GetParticleTable()->FindParticle(2214))); // D+
00042         theBaryons.insert(new G4SPBaryon(G4ParticleTable::GetParticleTable()->FindParticle(2114))); // D0
00043         theBaryons.insert(new G4SPBaryon(G4ParticleTable::GetParticleTable()->FindParticle(1114))); // D-
00044         theBaryons.insert(new G4SPBaryon(G4ParticleTable::GetParticleTable()->FindParticle(-2224))); // anti D++
00045         theBaryons.insert(new G4SPBaryon(G4ParticleTable::GetParticleTable()->FindParticle(-2214))); // anti D+
00046         theBaryons.insert(new G4SPBaryon(G4ParticleTable::GetParticleTable()->FindParticle(-2114))); // anti D0
00047         theBaryons.insert(new G4SPBaryon(G4ParticleTable::GetParticleTable()->FindParticle(-1114))); // anti D-
00048         theBaryons.insert(new G4SPBaryon(G4Lambda::Lambda()));
00049         theBaryons.insert(new G4SPBaryon(G4AntiLambda::AntiLambda()));
00050         theBaryons.insert(new G4SPBaryon(G4SigmaPlus::SigmaPlus()));
00051         theBaryons.insert(new G4SPBaryon(G4SigmaZero::SigmaZero()));
00052         theBaryons.insert(new G4SPBaryon(G4SigmaMinus::SigmaMinus()));
00053         theBaryons.insert(new G4SPBaryon(G4AntiSigmaPlus::AntiSigmaPlus()));
00054         theBaryons.insert(new G4SPBaryon(G4AntiSigmaZero::AntiSigmaZero()));
00055         theBaryons.insert(new G4SPBaryon(G4AntiSigmaMinus::AntiSigmaMinus()));
00056         theBaryons.insert(new G4SPBaryon(G4ParticleTable::GetParticleTable()->FindParticle(3224))); // S+*
00057         theBaryons.insert(new G4SPBaryon(G4ParticleTable::GetParticleTable()->FindParticle(3214))); // S0*
00058         theBaryons.insert(new G4SPBaryon(G4ParticleTable::GetParticleTable()->FindParticle(3114))); // S-*
00059         theBaryons.insert(new G4SPBaryon(G4ParticleTable::GetParticleTable()->FindParticle(-3224))); // anti S+*
00060         theBaryons.insert(new G4SPBaryon(G4ParticleTable::GetParticleTable()->FindParticle(-3214))); // anti S0*
00061         theBaryons.insert(new G4SPBaryon(G4ParticleTable::GetParticleTable()->FindParticle(-3114))); // anti S-*
00062         theBaryons.insert(new G4SPBaryon(G4XiMinus::XiMinus()));
00063         theBaryons.insert(new G4SPBaryon(G4XiZero::XiZero()));
00064         theBaryons.insert(new G4SPBaryon(G4AntiXiMinus::AntiXiMinus()));
00065         theBaryons.insert(new G4SPBaryon(G4AntiXiZero::AntiXiZero()));
00066         theBaryons.insert(new G4SPBaryon(G4OmegaMinus::OmegaMinus()));
00067         theBaryons.insert(new G4SPBaryon(G4AntiOmegaMinus::AntiOmegaMinus()));
00068         theBaryons.insert(new G4SPBaryon(G4ParticleTable::GetParticleTable()->FindParticle(3324))); // X0*
00069         theBaryons.insert(new G4SPBaryon(G4ParticleTable::GetParticleTable()->FindParticle(3314))); // X-*
00070         theBaryons.insert(new G4SPBaryon(G4ParticleTable::GetParticleTable()->FindParticle(-3324))); // anti X0*
00071         theBaryons.insert(new G4SPBaryon(G4ParticleTable::GetParticleTable()->FindParticle(-3314))); // anti X-*
00072 }
00073 
00074 G4bool G4BaryonSplitter::
00075 SplitBarion(G4int PDGCode, G4int* q_or_qqbar, G4int* qbar_or_qq)
00076 {
00077         const G4SPBaryon * aBaryon = theBaryons.GetBaryon(G4ParticleTable::GetParticleTable()->FindParticle(PDGCode));
00078         if(aBaryon==NULL)
00079         {
00080                 return FALSE;
00081         }
00082         else
00083         {
00084                 aBaryon->SampleQuarkAndDiquark(*q_or_qqbar, *qbar_or_qq);
00085                 return TRUE;
00086         }
00087 }
00088 
00089 
00090 // Get the splittable baryon for a PDG code.
00091 const G4SPBaryon & G4BaryonSplitter::
00092 GetSPBaryon(G4int PDGCode)
00093 {
00094         return *theBaryons.GetBaryon(G4ParticleTable::GetParticleTable()->FindParticle(PDGCode));
00095 }
00096 
00097 
00098 // Find rest diquark in given barion after quark - antiquark annihilation  
00099 G4bool G4BaryonSplitter::
00100 FindDiquark(G4int PDGCode, G4int Quark, G4int* Diquark)
00101 {
00102         const G4SPBaryon * aBaryon = theBaryons.GetBaryon(G4ParticleTable::GetParticleTable()->FindParticle(PDGCode));
00103         if(aBaryon)
00104         {
00105                 aBaryon->FindDiquark(Quark, *Diquark);
00106                 return true;
00107         }
00108         return false;
00109 }
00110 

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