Gabriele Cosmo
111 lines
4.4 KiB
C++
111 lines
4.4 KiB
C++
//
|
|
// ********************************************************************
|
|
// * 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. *
|
|
// ********************************************************************
|
|
//
|
|
//
|
|
// $Id: G4XiZero.cc,v 1.18 2007/03/11 07:17:35 kurasige Exp $
|
|
// GEANT4 tag $Name: geant4-09-01 $
|
|
//
|
|
//
|
|
// ----------------------------------------------------------------------
|
|
// 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 "G4XiZero.hh"
|
|
#include "G4ParticleTable.hh"
|
|
|
|
#include "G4PhaseSpaceDecayChannel.hh"
|
|
#include "G4DecayTable.hh"
|
|
|
|
// ######################################################################
|
|
// ### XiZero ###
|
|
// ######################################################################
|
|
|
|
G4XiZero* G4XiZero::theInstance = 0;
|
|
|
|
G4XiZero* G4XiZero::Definition()
|
|
{
|
|
if (theInstance !=0) return theInstance;
|
|
const G4String name = "xi0";
|
|
// 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, 1.31483*GeV, 2.27e-12*MeV, 0.0,
|
|
1, +1, 0,
|
|
1, +1, 0,
|
|
"baryon", 0, +1, 3322,
|
|
false, 0.290*ns, NULL,
|
|
false, "xi");
|
|
|
|
// Magnetic Moment
|
|
G4double mN = eplus*hbar_Planck/2./(proton_mass_c2 /c_squared);
|
|
anInstance->SetPDGMagneticMoment( -1.250 * mN);
|
|
|
|
//create Decay Table
|
|
G4DecayTable* table = new G4DecayTable();
|
|
|
|
// create decay channels
|
|
G4VDecayChannel** mode = new G4VDecayChannel*[1];
|
|
// xi0 -> lambda + pi0
|
|
mode[0] = new G4PhaseSpaceDecayChannel("xi0",1.000,2,"lambda","pi0");
|
|
|
|
for (G4int index=0; index <1; index++ ) table->Insert(mode[index]);
|
|
delete [] mode;
|
|
|
|
anInstance->SetDecayTable(table);
|
|
}
|
|
theInstance = reinterpret_cast<G4XiZero*>(anInstance);
|
|
return theInstance;
|
|
}
|
|
|
|
G4XiZero* G4XiZero::XiZeroDefinition()
|
|
{
|
|
return Definition();
|
|
}
|
|
|
|
G4XiZero* G4XiZero::XiZero()
|
|
{
|
|
return Definition();
|
|
}
|
|
|
|
|