G4Etac.cc

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//
// $Id: G4Etac.cc 102905 2017-03-02 09:50:56Z gcosmo $
//
// 
// ----------------------------------------------------------------------
//      GEANT 4 class implementation file
//
//      History: first implementation, based on object model of
//      4th April 1996, G.Cosmo
//
//      Created,             Hisaya Kurashige, 11, Aug. 2011
// **********************************************************************
//

#include "G4Etac.hh"
#include "G4SystemOfUnits.hh"
#include "G4ParticleTable.hh"

#include "G4PhaseSpaceDecayChannel.hh"
#include "G4DecayTable.hh"

// ######################################################################
// ###                         ETA                                    ###
// ######################################################################

G4Etac* G4Etac::theInstance = 0;

G4Etac* G4Etac::Definition()
{
  if (theInstance !=0) return theInstance;
  const G4String name = "etac";
  // 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,      2.9834*GeV,      31.8*MeV,         0.0,
                    0,              -1,            +1,
                    0,               0,            +1,
              "meson",               0,             0,         441,
                false,          0.0*ns,          NULL,
                false,          "etac",           441);
  }
  theInstance = reinterpret_cast<G4Etac*>(anInstance);
  return theInstance;
}

G4Etac*  G4Etac::EtacDefinition()
{
  return Definition();
}

G4Etac*  G4Etac::Etac()
{
  return Definition();
}