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geant4/source/particles/leptons/src/G4MuonPlus.cc
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2018-12-07 15:15:39 +01:00

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//
// ********************************************************************
// * License and Disclaimer *
// * *
// * The Geant4 software is copyright of the Copyright Holders of *
// * the Geant4 Collaboration. It is provided under the terms and *
// * conditions of the Geant4 Software License, included in the file *
// * LICENSE and available at http://cern.ch/geant4/license . These *
// * include a list of copyright holders. *
// * *
// * Neither the authors of this software system, nor their employing *
// * institutes,nor the agencies providing financial support for this *
// * work make any representation or warranty, express or implied, *
// * regarding this software system or assume any liability for its *
// * use. Please see the license in the file LICENSE and URL above *
// * for the full disclaimer and the limitation of liability. *
// * *
// * This code implementation is the result of the scientific and *
// * technical work of the GEANT4 collaboration. *
// * By using, copying, modifying or distributing the software (or *
// * any work based on the software) you agree to acknowledge its *
// * use in resulting scientific publications, and indicate your *
// * acceptance of all terms of the Geant4 Software license. *
// ********************************************************************
//
//
//
//
// ----------------------------------------------------------------------
// 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 "G4PhysicalConstants.hh"
#include "G4SystemOfUnits.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, 0.1056583715*GeV, 2.99598e-16*MeV, +1.*eplus,
1, 0, 0,
0, 0, 0,
"lepton", -1, 0, -13,
false, 2196.98*ns, NULL,
false, "mu"
);
// Bohr Magnetron
G4double muB = 0.5*eplus*hbar_Planck/(anInstance->GetPDGMass()/c_squared) ;
anInstance->SetPDGMagneticMoment( muB * 1.0011659209);
//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();
}