G4AntiKaonZero.cc

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// 
// ----------------------------------------------------------------------
//      GEANT 4 class implementation file
//
//      History: first implementation, based on object model of
//      4th April 1996, G.Cosmo
//                              H.Kurashige   7 Jul 96
// **********************************************************************
//  New impelemenataion as an utility class  M.Asai, 26 July 2004
// ----------------------------------------------------------------------
 
#include "G4AntiKaonZero.hh"
#include "G4SystemOfUnits.hh"
#include "G4ParticleTable.hh"
 
#include "G4PhaseSpaceDecayChannel.hh"
#include "G4DecayTable.hh"
 
// ######################################################################
// ###                      ANTIKAONZERO                              ###
// ######################################################################
 
G4AntiKaonZero* G4AntiKaonZero::theInstance = 0;
 
G4AntiKaonZero* G4AntiKaonZero::Definition()
{
  if (theInstance !=0) return theInstance;
  const G4String name = "anti_kaon0";
  // 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,    0.497614*GeV,       0.0*MeV,         0.0,
                    0,              -1,             0,
                    1,               1,             0,
              "meson",               0,             0,         -311,
                false,             0.0,          NULL,
                false,       "kaon");
 //create Decay Table
  G4DecayTable* table = new G4DecayTable();
 
  // create decay channels
  G4VDecayChannel** mode = new G4VDecayChannel*[2];
  // kaon0 -> Kaon0L
  mode[0] = new G4PhaseSpaceDecayChannel("anti_kaon0",0.500,1,"kaon0L");
  // kaon0 -> Kaon0S
  mode[1] = new G4PhaseSpaceDecayChannel("anti_kaon0",0.500,1,"kaon0S");
 
  for (G4int index=0; index <2; index++ ) table->Insert(mode[index]);
  delete [] mode;
 
   anInstance->SetDecayTable(table);
  }
  theInstance = static_cast<G4AntiKaonZero*>(anInstance);
  return theInstance;
}
 
G4AntiKaonZero*  G4AntiKaonZero::AntiKaonZeroDefinition()
{
  return Definition();
}
 
G4AntiKaonZero*  G4AntiKaonZero::AntiKaonZero()
{
  return Definition();
}