G4MuonMinus.cc

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//
// ----------------------------------------------------------------------
//      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 "G4MuonMinus.hh"
 
#include "G4DecayTable.hh"
#include "G4MuonDecayChannel.hh"
#include "G4ParticleTable.hh"
#include "G4PhysicalConstants.hh"
#include "G4String.hh"
#include "G4SystemOfUnits.hh"
#include "G4Types.hh"
#include "G4VDecayChannel.hh"
 
G4MuonMinus* G4MuonMinus::theInstance = nullptr;
 
G4MuonMinus* G4MuonMinus::Definition()
{
  if (theInstance != nullptr) return theInstance;
  const G4String name = "mu-";
  // search in particle table]
  G4ParticleTable* pTable = G4ParticleTable::GetParticleTable();
  G4ParticleDefinition* anInstance = pTable->FindParticle(name);
  if (anInstance == nullptr) {
    // 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
 
    // clang-format off
  anInstance = new G4ParticleDefinition(
                 name, 0.1056583715*GeV, 2.99598e-16*MeV,  -1.*eplus, 
            1,                0,                0,          
            0,                0,                0,             
         "lepton",                1,                0,          13,
        false,       2196.98*ns,             nullptr,
                false,              "mu"
              );
    // clang-format on
 
    // Bohr Magnetron
    G4double muB = -0.5 * eplus * hbar_Planck / (anInstance->GetPDGMass() / c_squared);
 
    anInstance->SetPDGMagneticMoment(muB * 1.0011659209);
 
    // create Decay Table
    auto table = new G4DecayTable();
 
    // create a decay channel
    G4VDecayChannel* mode = new G4MuonDecayChannel("mu-", 1.00);
    table->Insert(mode);
    anInstance->SetDecayTable(table);
  }
  theInstance = static_cast<G4MuonMinus*>(anInstance);
  return theInstance;
}
 
G4MuonMinus* G4MuonMinus::MuonMinusDefinition()
{
  return Definition();
}
 
G4MuonMinus* G4MuonMinus::MuonMinus()
{
  return Definition();
}