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Cross-Referencing   Geant4
Geant4/processes/hadronic/models/parton_string/qgsm/src/G4BaryonSplitter.cc

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  // Split baryon (antibaryon) into quark and diquark (antidiquark and antiquark)
  // based on prototype, needs clean up of interfaces HPW Feb 1999  
  // Numbers verified and errors corrected, HPW Dec 1999
  
  #include "G4BaryonSplitter.hh"
  #include "G4ParticleTable.hh"
  
  G4BaryonSplitter::
  G4BaryonSplitter()
  {
    theBaryons.insert(new G4SPBaryon(G4Proton::Proton()));
    theBaryons.insert(new G4SPBaryon(G4Neutron::Neutron()));
    theBaryons.insert(new G4SPBaryon(G4AntiProton::AntiProton()));
    theBaryons.insert(new G4SPBaryon(G4AntiNeutron::AntiNeutron()));
    theBaryons.insert(new G4SPBaryon(G4ParticleTable::GetParticleTable()->FindParticle(2224))); // Delta++
    theBaryons.insert(new G4SPBaryon(G4ParticleTable::GetParticleTable()->FindParticle(2214))); // Delta+
    theBaryons.insert(new G4SPBaryon(G4ParticleTable::GetParticleTable()->FindParticle(2114))); // Delta0
    theBaryons.insert(new G4SPBaryon(G4ParticleTable::GetParticleTable()->FindParticle(1114))); // Delta-
    theBaryons.insert(new G4SPBaryon(G4ParticleTable::GetParticleTable()->FindParticle(-2224))); // anti Delta++
    theBaryons.insert(new G4SPBaryon(G4ParticleTable::GetParticleTable()->FindParticle(-2214))); // anti Delta+
    theBaryons.insert(new G4SPBaryon(G4ParticleTable::GetParticleTable()->FindParticle(-2114))); // anti Delta0
    theBaryons.insert(new G4SPBaryon(G4ParticleTable::GetParticleTable()->FindParticle(-1114))); // anti Delta-
    theBaryons.insert(new G4SPBaryon(G4Lambda::Lambda()));
    theBaryons.insert(new G4SPBaryon(G4AntiLambda::AntiLambda()));
    theBaryons.insert(new G4SPBaryon(G4SigmaPlus::SigmaPlus()));
    theBaryons.insert(new G4SPBaryon(G4SigmaZero::SigmaZero()));
    theBaryons.insert(new G4SPBaryon(G4SigmaMinus::SigmaMinus()));
    theBaryons.insert(new G4SPBaryon(G4AntiSigmaPlus::AntiSigmaPlus()));
    theBaryons.insert(new G4SPBaryon(G4AntiSigmaZero::AntiSigmaZero()));
    theBaryons.insert(new G4SPBaryon(G4AntiSigmaMinus::AntiSigmaMinus()));
    theBaryons.insert(new G4SPBaryon(G4XiMinus::XiMinus()));
    theBaryons.insert(new G4SPBaryon(G4XiZero::XiZero()));
    theBaryons.insert(new G4SPBaryon(G4AntiXiMinus::AntiXiMinus()));
    theBaryons.insert(new G4SPBaryon(G4AntiXiZero::AntiXiZero()));
    theBaryons.insert(new G4SPBaryon(G4OmegaMinus::OmegaMinus()));
    theBaryons.insert(new G4SPBaryon(G4AntiOmegaMinus::AntiOmegaMinus()));
    theBaryons.insert(new G4SPBaryon(G4LambdacPlus::Definition()));
    theBaryons.insert(new G4SPBaryon(G4AntiLambdacPlus::Definition()));
    theBaryons.insert(new G4SPBaryon(G4SigmacPlusPlus::Definition()));
    theBaryons.insert(new G4SPBaryon(G4AntiSigmacPlusPlus::Definition()));
    theBaryons.insert(new G4SPBaryon(G4SigmacPlus::Definition()));
    theBaryons.insert(new G4SPBaryon(G4AntiSigmacPlus::Definition()));
    theBaryons.insert(new G4SPBaryon(G4SigmacZero::Definition()));
    theBaryons.insert(new G4SPBaryon(G4AntiSigmacZero::Definition()));
    theBaryons.insert(new G4SPBaryon(G4XicPlus::Definition()));
    theBaryons.insert(new G4SPBaryon(G4AntiXicPlus::Definition()));
    theBaryons.insert(new G4SPBaryon(G4XicZero::Definition()));
    theBaryons.insert(new G4SPBaryon(G4AntiXicZero::Definition()));
    theBaryons.insert(new G4SPBaryon(G4OmegacZero::Definition()));
    theBaryons.insert(new G4SPBaryon(G4AntiOmegacZero::Definition()));
    theBaryons.insert(new G4SPBaryon(G4Lambdab::Definition()));
    theBaryons.insert(new G4SPBaryon(G4AntiLambdab::Definition()));
    theBaryons.insert(new G4SPBaryon(G4SigmabPlus::Definition()));
    theBaryons.insert(new G4SPBaryon(G4AntiSigmabPlus::Definition()));
    theBaryons.insert(new G4SPBaryon(G4SigmabZero::Definition()));
    theBaryons.insert(new G4SPBaryon(G4AntiSigmabZero::Definition()));
    theBaryons.insert(new G4SPBaryon(G4SigmabMinus::Definition()));
    theBaryons.insert(new G4SPBaryon(G4AntiSigmabMinus::Definition()));
    theBaryons.insert(new G4SPBaryon(G4XibZero::Definition()));
    theBaryons.insert(new G4SPBaryon(G4AntiXibZero::Definition()));
    theBaryons.insert(new G4SPBaryon(G4XibMinus::Definition()));
    theBaryons.insert(new G4SPBaryon(G4AntiXibMinus::Definition()));
    theBaryons.insert(new G4SPBaryon(G4OmegabMinus::Definition()));
    theBaryons.insert(new G4SPBaryon(G4AntiOmegabMinus::Definition()));
  }
  
  G4bool G4BaryonSplitter::
  SplitBarion(G4int PDGCode, G4int& q_or_qqbar, G4int& qbar_or_qq)
  {
    const G4SPBaryon * aBaryon = theBaryons.GetBaryon(G4ParticleTable::GetParticleTable()->FindParticle(PDGCode));
  
    if(aBaryon == nullptr)
    {
      return false;
   } else {
     aBaryon->SampleQuarkAndDiquark(q_or_qqbar, qbar_or_qq);
     return true;
   }
 }
 
 
 // Get the splittable baryon for a PDG code.
 const G4SPBaryon & G4BaryonSplitter::
 GetSPBaryon(G4int PDGCode)
 {
   return *theBaryons.GetBaryon(G4ParticleTable::GetParticleTable()->FindParticle(PDGCode));
 }
 
 
 // Find rest diquark in given barion after quark - antiquark annihilation  
 G4bool G4BaryonSplitter::FindDiquark(G4int PDGCode, G4int Quark, G4int& Diquark)
 {
   const G4SPBaryon * aBaryon = theBaryons.GetBaryon(G4ParticleTable::GetParticleTable()->FindParticle(PDGCode));
   if(aBaryon)
   {
     aBaryon->FindDiquark(Quark, Diquark);
     return true;
   }
   return false;
 }