G4NeutrinoTau.cc

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//
// $Id: G4NeutrinoTau.cc 67971 2013-03-13 10:13:24Z gcosmo $
//
// 
// ----------------------------------------------------------------------
//      GEANT 4 class implementation file
//
//      History: first implementation, based on object model of
//      4th April 1996, G.Cosmo 
//      by             H.Kurashige,7  July 1996
// **********************************************************************
//  New impelemenataion as an utility class  M.Asai, 26 July 2004
// ----------------------------------------------------------------------

#include "G4NeutrinoTau.hh"
#include "G4SystemOfUnits.hh"
#include "G4ParticleTable.hh"

// ######################################################################
// ###                     TAU NEUTRINO                               ###
// ######################################################################
G4NeutrinoTau* G4NeutrinoTau::theInstance = 0;

G4NeutrinoTau* G4NeutrinoTau::Definition()
{
  if (theInstance !=0) return theInstance;
  const G4String name = "nu_tau";
  // 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, 
                    1,               0,             0,          
                    0,               0,             0,             
             "lepton",               1,             0,           16,
                 true,             0.0,          NULL,
             false,           "tau"
              );
  }
  theInstance = reinterpret_cast<G4NeutrinoTau*>(anInstance);
  return theInstance;
}

G4NeutrinoTau*  G4NeutrinoTau::NeutrinoTauDefinition()
{
  return Definition();
}

G4NeutrinoTau*  G4NeutrinoTau::NeutrinoTau()
{
  return Definition();
}