Gabriele Cosmo
105 lines
4.2 KiB
C++
105 lines
4.2 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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// 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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// H.Kurashige 7 Jul 96
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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 "G4KaonZero.hh"
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#include "G4DecayTable.hh"
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#include "G4ParticleTable.hh"
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#include "G4PhaseSpaceDecayChannel.hh"
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#include "G4String.hh"
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#include "G4SystemOfUnits.hh"
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#include "G4Types.hh"
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#include "G4VDecayChannel.hh"
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G4KaonZero* G4KaonZero::theInstance = nullptr;
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G4KaonZero* G4KaonZero::Definition()
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{
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if (theInstance != nullptr) return theInstance;
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const G4String name = "kaon0";
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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 == nullptr) {
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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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// clang-format off
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anInstance = new G4ParticleDefinition(
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name, 0.497614*GeV, 0.0*MeV, 0.0,
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0, -1, 0,
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1, -1, 0,
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"meson", 0, 0, 311,
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false, 0.0, nullptr,
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false, "kaon");
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// clang-format on
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// create Decay Table
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auto table = new G4DecayTable();
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// create decay channels
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auto mode = new G4VDecayChannel*[2];
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// kaon0 -> Kaon0L
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mode[0] = new G4PhaseSpaceDecayChannel("kaon0", 0.500, 1, "kaon0L");
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// kaon0 -> Kaon0S
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mode[1] = new G4PhaseSpaceDecayChannel("kaon0", 0.500, 1, "kaon0S");
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for (G4int index = 0; index < 2; index++)
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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 = static_cast<G4KaonZero*>(anInstance);
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return theInstance;
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}
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G4KaonZero* G4KaonZero::KaonZeroDefinition()
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{
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return Definition();
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}
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G4KaonZero* G4KaonZero::KaonZero()
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{
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return Definition();
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}
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