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//
// $Id: G4MuonPlus.cc,v 1.15 2008/11/13 08:23:12 kurasige Exp $
// GEANT4 tag $Name: geant4-09-03-cand-01 $
//
// 
// ----------------------------------------------------------------------
//      GEANT 4 class implementation file
//
//      History: first implementation, based on object model of
//      4th April 1996, G.Cosmo
// **********************************************************************
//  New impelemenataion as an utility class  M.Asai, 26 July 2004
// ----------------------------------------------------------------------

#include "G4MuonPlus.hh"
#include "G4ParticleTable.hh"

#include "G4MuonDecayChannel.hh"
#include "G4DecayTable.hh"

// ######################################################################
// ###                          MUONPLUS                              ###
// ######################################################################
G4MuonPlus* G4MuonPlus::theInstance = 0;

G4MuonPlus* G4MuonPlus::Definition()
{
  if (theInstance !=0) return theInstance;
  const G4String name = "mu+";
  // 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,   0.1056584*GeV, 3.01594e-16*MeV,   +1.*eplus, 
		    1,               0,             0,          
		    0,               0,             0,             
	     "lepton",              -1,             0,         -13,
		false,      2197.03*ns,          NULL,
             false,           "mu"
              );
   // Bohr Magnetron
   G4double muB =  0.5*eplus*hbar_Planck/(0.1056584*GeV/c_squared) ;
   
   anInstance->SetPDGMagneticMoment( muB * 2.* 1.0011659208);

  //create Decay Table 
  G4DecayTable* table = new G4DecayTable();
  // create a decay channel
  G4VDecayChannel* mode = new G4MuonDecayChannel("mu+",1.00);
  table->Insert(mode);
  anInstance->SetDecayTable(table);
  }
  theInstance = reinterpret_cast<G4MuonPlus*>(anInstance);
  return theInstance;
}

G4MuonPlus*  G4MuonPlus::MuonPlusDefinition()
{
  return Definition();
}

G4MuonPlus*  G4MuonPlus::MuonPlus()
{
  return Definition();
}