G4AntiSigmabZero.cc

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// $Id$
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// 
// ----------------------------------------------------------------------
//      GEANT 4 class implementation file
//
//      History: first implementation, based on object model of
//      4th April 1996, G.Cosmo
//
//      Created                 Hisaya Kurashige, 11 Aug. 2011
// **********************************************************************
//
 
#include "G4AntiSigmabZero.hh"
#include "G4SystemOfUnits.hh"
#include "G4ParticleTable.hh"
 
#include "G4PhaseSpaceDecayChannel.hh"
#include "G4DecayTable.hh"
 
// ######################################################################
// ###                      AntiSigmabZero                            ###
// ######################################################################
 
G4AntiSigmabZero* G4AntiSigmabZero::theInstance = 0;
 
G4AntiSigmabZero* G4AntiSigmabZero::Definition()
{
  if (theInstance !=0) return theInstance;
  const G4String name = "anti_sigma_b0";
  // search in particle table]
  G4ParticleTable* pTable = G4ParticleTable::GetParticleTable();
  G4ParticleDefinition* anInstance = pTable->FindParticle(name);
  if (theInstance ==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,      5.8078*GeV,       5.0*MeV,           0,
                    1,              +1,             0,
                    2,               0,             0,
             "baryon",               0,            -1,       -5212,
                false,          0.0*ns,          NULL,
                false,       "sigma_b");
 
 //create Decay Table
  G4DecayTable* table = new G4DecayTable();
 
  // create decay channels
  G4VDecayChannel** mode = new G4VDecayChannel*[1];
  // anti_sigma_b0 -> lambda_b + pi0
  mode[0] = new G4PhaseSpaceDecayChannel("anti_sigma_b0",1.000,2,"lambda_b","pi0");
 
  for (G4int index=0; index <1; index++ ) table->Insert(mode[index]);
  delete [] mode;
 
   anInstance->SetDecayTable(table);
  }
  theInstance = reinterpret_cast<G4AntiSigmabZero*>(anInstance);
  return theInstance;
}
 
G4AntiSigmabZero*  G4AntiSigmabZero::AntiSigmabZeroDefinition()
{
  return Definition();
}
 
G4AntiSigmabZero*  G4AntiSigmabZero::AntiSigmabZero()
{
  return Definition();
}