G4KaonZeroShort.cc

Go to the documentation of this file.
00001 //
00002 // ********************************************************************
00003 // * License and Disclaimer                                           *
00004 // *                                                                  *
00005 // * The  Geant4 software  is  copyright of the Copyright Holders  of *
00006 // * the Geant4 Collaboration.  It is provided  under  the terms  and *
00007 // * conditions of the Geant4 Software License,  included in the file *
00008 // * LICENSE and available at  http://cern.ch/geant4/license .  These *
00009 // * include a list of copyright holders.                             *
00010 // *                                                                  *
00011 // * Neither the authors of this software system, nor their employing *
00012 // * institutes,nor the agencies providing financial support for this *
00013 // * work  make  any representation or  warranty, express or implied, *
00014 // * regarding  this  software system or assume any liability for its *
00015 // * use.  Please see the license in the file  LICENSE  and URL above *
00016 // * for the full disclaimer and the limitation of liability.         *
00017 // *                                                                  *
00018 // * This  code  implementation is the result of  the  scientific and *
00019 // * technical work of the GEANT4 collaboration.                      *
00020 // * By using,  copying,  modifying or  distributing the software (or *
00021 // * any work based  on the software)  you  agree  to acknowledge its *
00022 // * use  in  resulting  scientific  publications,  and indicate your *
00023 // * acceptance of all terms of the Geant4 Software license.          *
00024 // ********************************************************************
00025 //
00026 //
00027 // $Id$
00028 //
00029 // 
00030 // ----------------------------------------------------------------------
00031 //      GEANT 4 class implementation file
00032 //
00033 //      History: first implementation, based on object model of
00034 //      4th April 1996, G.Cosmo
00035 //                              H.Kurashige   7 Jul 96
00036 // **********************************************************************
00037 //  New impelemenataion as an utility class  M.Asai, 26 July 2004
00038 // ----------------------------------------------------------------------
00039 
00040 #include "G4KaonZeroShort.hh"
00041 #include "G4SystemOfUnits.hh"
00042 #include "G4ParticleTable.hh"
00043 
00044 #include "G4PhaseSpaceDecayChannel.hh"
00045 #include "G4DecayTable.hh"
00046 
00047 // ######################################################################
00048 // ###                      KAONZEROSHORT                             ###
00049 // ######################################################################
00050 
00051 G4KaonZeroShort* G4KaonZeroShort::theInstance = 0;
00052 
00053 G4KaonZeroShort* G4KaonZeroShort::Definition()
00054 {
00055   if (theInstance !=0) return theInstance;
00056   const G4String name = "kaon0S";
00057   // search in particle table]
00058   G4ParticleTable* pTable = G4ParticleTable::GetParticleTable();
00059   G4ParticleDefinition* anInstance = pTable->FindParticle(name);
00060   if (anInstance ==0)
00061   {
00062   // create particle
00063   //
00064   //    Arguments for constructor are as follows
00065   //               name             mass          width         charge
00066   //             2*spin           parity  C-conjugation
00067   //          2*Isospin       2*Isospin3       G-parity
00068   //               type    lepton number  baryon number   PDG encoding
00069   //             stable         lifetime    decay table
00070   //             shortlived      subType    anti_encoding
00071 
00072    anInstance = new G4ParticleDefinition(
00073                  name,    0.497614*GeV,  7.352e-12*MeV,         0.0,
00074                     0,              -1,             0,
00075                     1,               0,             0,
00076               "meson",               0,             0,         310,
00077                 false,      0.08958*ns,          NULL,
00078                 false,          "kaon",           310);
00079 
00080  //create Decay Table
00081   G4DecayTable* table = new G4DecayTable();
00082 
00083   // create decay channels
00084   G4VDecayChannel** mode = new G4VDecayChannel*[2];
00085   // kaon0s -> pi+ + pi-
00086   mode[0] = new G4PhaseSpaceDecayChannel("kaon0S",0.6920,2,"pi+","pi-");
00087   // kaon0s -> pi0 + pi0
00088   mode[1] = new G4PhaseSpaceDecayChannel("kaon0S",0.3069,2,"pi0","pi0");
00089 
00090   for (G4int index=0; index <2; index++ ) table->Insert(mode[index]);
00091   delete [] mode;
00092 
00093    anInstance->SetDecayTable(table);
00094   }
00095   theInstance = reinterpret_cast<G4KaonZeroShort*>(anInstance);
00096   return theInstance;
00097 }
00098 
00099 G4KaonZeroShort*  G4KaonZeroShort::KaonZeroShortDefinition()
00100 {
00101   return Definition();
00102 }
00103 
00104 G4KaonZeroShort*  G4KaonZeroShort::KaonZeroShort()
00105 {
00106   return Definition();
00107 }
00108 

Generated on Mon May 27 17:48:43 2013 for Geant4 by  doxygen 1.4.7