G4SigmacZero.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 // **********************************************************************
00036 //  New impelemenataion as an utility class  M.Asai, 26 July 2004
00037 // ----------------------------------------------------------------------
00038 
00039 #include "G4SigmacZero.hh"
00040 #include "G4SystemOfUnits.hh"
00041 #include "G4ParticleTable.hh"
00042 
00043 #include "G4PhaseSpaceDecayChannel.hh"
00044 #include "G4DecayTable.hh"
00045 
00046 // ######################################################################
00047 // ###                           SigmacZero                            ###
00048 // ######################################################################
00049 
00050 G4SigmacZero* G4SigmacZero::theInstance = 0;
00051 
00052 G4SigmacZero* G4SigmacZero::Definition()
00053 {
00054   if (theInstance !=0) return theInstance;
00055   const G4String name = "sigma_c0";
00056   // search in particle table]
00057   G4ParticleTable* pTable = G4ParticleTable::GetParticleTable();
00058   G4ParticleDefinition* anInstance = pTable->FindParticle(name);
00059   if (anInstance ==0) 
00060   {
00061   // create particle
00062   //
00063   //    Arguments for constructor are as follows
00064   //               name             mass          width         charge
00065   //             2*spin           parity  C-conjugation
00066   //          2*Isospin       2*Isospin3       G-parity
00067   //               type    lepton number  baryon number   PDG encoding
00068   //             stable         lifetime    decay table
00069   //             shortlived      subType    anti_encoding
00070 
00071    anInstance = new G4ParticleDefinition(
00072                  name,     2.45376*GeV,       2.3*MeV,  +0.0*eplus,
00073                     1,              +1,             0,
00074                     2,              -1,             0,
00075              "baryon",               0,            +1,        4112,
00076                 false,          0.0*ns,          NULL,
00077                 false,       "sigma_c");
00078  //create Decay Table
00079   G4DecayTable* table = new G4DecayTable();
00080 
00081   // create decay channels
00082   G4VDecayChannel** mode = new G4VDecayChannel*[1];
00083   // sigmac0 -> lambda_c+ + pi-
00084   mode[0] = new G4PhaseSpaceDecayChannel("sigma_c0",1.000,2,"lambda_c+","pi-");
00085 
00086   for (G4int index=0; index <1; index++ ) table->Insert(mode[index]);
00087   delete [] mode;
00088 
00089    anInstance->SetDecayTable(table);
00090   }
00091   theInstance = reinterpret_cast<G4SigmacZero*>(anInstance);
00092   return theInstance;
00093 }
00094 
00095 G4SigmacZero*  G4SigmacZero::SigmacZeroDefinition()
00096 {
00097   return Definition();
00098 }
00099 
00100 G4SigmacZero*  G4SigmacZero::SigmacZero()
00101 {
00102   return Definition();
00103 }
00104 
00105 

Generated on Mon May 27 17:49:49 2013 for Geant4 by  doxygen 1.4.7