G4UnknownParticle.cc

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// 
// ----------------------------------------------------------------------
//      GEANT 4 class implementation file
//
//      History: first implementation, M.Asai Jul 07, 2004
// ----------------------------------------------------------------------
//  New impelemenataion as an utility class  H.Kurashige, 14 July 2004
// ----------------------------------------------------------------

#include "G4UnknownParticle.hh"
#include "G4SystemOfUnits.hh"
#include "G4ParticleTable.hh"


// ######################################################################
// ###                          Unknown Particle                      ###
// ######################################################################
G4UnknownParticle* G4UnknownParticle::theInstance = 0;

G4UnknownParticle*  G4UnknownParticle::Definition() 
{
  if (theInstance !=0) return theInstance;

  const G4String name = "unknown";
  // search in particle table]
  G4ParticleTable* pTable = G4ParticleTable::GetParticleTable();
  G4ParticleDefinition* anInstance = pTable->FindParticle(name);
  if (anInstance ==0)
  {
  // create particle
  //      
  //    Arguments for constructor are as follows 
  //               name             mass          width         charge
  //             2*spin           parity  C-conjugation
  //          2*Isospin       2*Isospin3       G-parity
  //               type    lepton number  baryon number   PDG encoding
  //             stable         lifetime    decay table 
  //             shortlived      subType    anti_encoding
   anInstance = new G4ParticleDefinition(
           name,         0.0*MeV,       0.0*MeV,         0.0, 
        0,               0,             0,          
        0,               0,             0,             
     "geantino",               0,             0,           0,
     true,            -1.0,          NULL,
    false,      "geantino",            0
    );
  }
  theInstance = reinterpret_cast<G4UnknownParticle*>(anInstance);
  return theInstance;

}

G4UnknownParticle*  G4UnknownParticle::UnknownParticleDefinition() 
{
  return Definition();
}

G4UnknownParticle*  G4UnknownParticle::UnknownParticle() 
{
  return Definition();
}