musrsim/geant4/TaoLEMuSR/src/LEMuSRMuoniumParticle.cc
2008-03-20 09:23:20 +00:00

95 lines
4.0 KiB
C++

//
// ********************************************************************
// * DISCLAIMER *
// * *
// * The following disclaimer summarizes all the specific disclaimers *
// * of contributors to this software. The specific disclaimers,which *
// * govern, are listed with their locations in: *
// * http://cern.ch/geant4/license *
// * *
// * 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. *
// * *
// * This code implementation is the intellectual property of the *
// * GEANT4 collaboration. *
// * By copying, distributing or modifying the Program (or any work *
// * based on the Program) you indicate your acceptance of this *
// * statement, and all its terms. *
// ********************************************************************
//
//
// $Id: LEMuSRMuoniumParticle.cc,v 1.10 2005/01/14 03:49:17 asaim Exp $
// GEANT4 tag $Name: geant4-08-00-patch-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 "LEMuSRMuoniumParticle.hh"
#include "G4ParticleTable.hh"
#include "G4MuonDecayChannel.hh"
#include "G4DecayTable.hh"
// ######################################################################
// ### MUONIUM ###
// ######################################################################
LEMuSRMuoniumParticle* LEMuSRMuoniumParticle::theInstance = 0;
LEMuSRMuoniumParticle* LEMuSRMuoniumParticle::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, 2.99591e-16*MeV, 0.*eplus,
1, 0, 0,
0, 0, 0,
"lepton", -1, 0, -1313,
false, 2197.03*ns, NULL,
false, "mu"
);
//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<LEMuSRMuoniumParticle*>(anInstance);
return theInstance;
}
LEMuSRMuoniumParticle* LEMuSRMuoniumParticle::MuoniumDefinition()
{
return Definition();
}
LEMuSRMuoniumParticle* LEMuSRMuoniumParticle::Muonium()
{
return Definition();
}