Gabriele Cosmo
114 lines
4.7 KiB
C++
114 lines
4.7 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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//
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//
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//
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// ----------------------------------------------------------------------
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// GEANT 4 class implementation file
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//
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// History: first implementation, based on object model of
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// 4th April 1996, G.Cosmo
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// **********************************************************************
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// New impelemenataion as an utility class M.Asai, 26 July 2004
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// ----------------------------------------------------------------------
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#include "G4AntiOmegaMinus.hh"
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#include "G4PhysicalConstants.hh"
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#include "G4SystemOfUnits.hh"
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#include "G4ParticleTable.hh"
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#include "G4PhaseSpaceDecayChannel.hh"
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#include "G4DecayTable.hh"
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// ######################################################################
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// ### AntiOmegaMinus ###
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// ######################################################################
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G4AntiOmegaMinus* G4AntiOmegaMinus::theInstance = 0;
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G4AntiOmegaMinus* G4AntiOmegaMinus::Definition()
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{
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if (theInstance !=0) return theInstance;
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const G4String name = "anti_omega-";
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// search in particle table
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G4ParticleTable* pTable = G4ParticleTable::GetParticleTable();
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G4ParticleDefinition* anInstance = pTable->FindParticle(name);
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if (anInstance ==0)
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{
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// create particle
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//
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// Arguments for constructor are as follows
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// name mass width charge
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// 2*spin parity C-conjugation
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// 2*Isospin 2*Isospin3 G-parity
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// type lepton number baryon number PDG encoding
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// stable lifetime decay table
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// shortlived subType anti_encoding
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anInstance = new G4ParticleDefinition(
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name, 1.67245*GeV, 8.07e-12*MeV, eplus,
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3, +1, 0,
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0, 0, 0,
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"baryon", 0, -1, -3334,
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false, 0.0821*ns, NULL,
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false, "omega");
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// Magnetic Moment
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G4double mN = eplus*hbar_Planck/2./(proton_mass_c2 /c_squared);
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anInstance->SetPDGMagneticMoment( -2.02 * mN);
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//create Decay Table
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G4DecayTable* table = new G4DecayTable();
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// create decay channels
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G4VDecayChannel** mode = new G4VDecayChannel*[3];
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// anti_omega- -> anti_lambda + kaon+
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mode[0] = new G4PhaseSpaceDecayChannel("anti_omega-",0.678,2,"anti_lambda","kaon+");
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// anti_omega- -> anti_xi0 + pi+
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mode[1] = new G4PhaseSpaceDecayChannel("anti_omega-",0.236,2,"anti_xi0","pi+");
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// anti_omega- -> anti_xi- + pi0
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mode[2] = new G4PhaseSpaceDecayChannel("anti_omega-",0.086,2,"anti_xi-","pi0");
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for (G4int index=0; index <3; index++ ) table->Insert(mode[index]);
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delete [] mode;
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anInstance->SetDecayTable(table);
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}
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theInstance = reinterpret_cast<G4AntiOmegaMinus*>(anInstance);
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return theInstance;
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}
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G4AntiOmegaMinus* G4AntiOmegaMinus::AntiOmegaMinusDefinition()
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{
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return Definition();
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}
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G4AntiOmegaMinus* G4AntiOmegaMinus::AntiOmegaMinus()
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{
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return Definition();
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}
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