G4QGSModel.icc

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//****************************************************************************
 
template<class ParticipantType>
G4QGSModel<ParticipantType>::G4QGSModel() 
{
  SetEnergyMomentumCheckLevels(2*CLHEP::perCent, 150*CLHEP::MeV);
}
 
template<class ParticipantType>
G4QGSModel<ParticipantType>::~G4QGSModel()
{}
 
template<class ParticipantType>
void G4QGSModel<ParticipantType>::Init(const G4Nucleus & aNucleus, 
                                       const G4DynamicParticle & aProjectile)
{
  // It is assumed that target nucleus is at rest.
  theParticipants.Init(aNucleus.GetA_asInt(),aNucleus.GetZ_asInt());
 
  G4LorentzVector Mom = aProjectile.Get4Momentum();
 
  G4ReactionProduct theProjectile;   
  theProjectile.SetDefinition(aProjectile.GetDefinition());
  theProjectile.SetTotalEnergy(Mom.e());
  theProjectile.SetMomentum(Mom.vect());
 
  // Creation of strings and nuclear remnant
  theParticipants.BuildInteractions(theProjectile);
}
 
template<class ParticipantType>
G4ExcitedStringVector * G4QGSModel<ParticipantType>::GetStrings()
{ 
  // The strings are produced at theParticipants.BuildInteractions(theProjectile) 
 
  G4PartonPair* aPair;
  G4ExcitedStringVector* theStrings = new G4ExcitedStringVector;
  G4ExcitedString * aString;
  while( (aPair = theParticipants.GetNextPartonPair()) )  /* Loop checking, 07.08.2015, A.Ribon */
  {
    if (aPair->GetCollisionType() == G4PartonPair::DIFFRACTIVE)
    {
      aString = theDiffractiveStringBuilder.BuildString(aPair);
    }
    else
    {
      aString = theSoftStringBuilder.BuildString(aPair);
    }
 
    //    aString->Boost(theCurrentVelocity);  
    theStrings->push_back(aString);
    delete aPair;
  }
 
  return theStrings;
}
 
template<class ParticipantType>
G4V3DNucleus* G4QGSModel<ParticipantType>::GetWoundedNucleus() const
{
  return theParticipants.GetWoundedNucleus();
}
 
template<class ParticipantType>
G4V3DNucleus* G4QGSModel<ParticipantType>::GetProjectileNucleus() const
{
  return nullptr;
}
 
template<class ParticipantType>
void G4QGSModel<ParticipantType>::ModelDescription(std::ostream& outFile) const
{
  outFile << "The Quark-Gluon String (QGS) model simulates the interaction\n"
          << "of protons, neutrons, pions and kaons with nuclei in the\n"
          << "approximate energy range 20 GeV to 50 TeV. The model handles\n"
          << "the selection of collision partners, splitting of the nucleons\n"
          << "into quarks and di-quarks, the formation and excitation of\n"
          << "quark-gluon strings, string hadronization and diffractive dissociation.\n";
}
//****************************************************************************