G4SigmacPlus.cc

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00001 //
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00017 // *                                                                  *
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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 "G4SigmacPlus.hh"
00040 #include "G4SystemOfUnits.hh"
00041 #include "G4ParticleTable.hh"
00042 
00043 #include "G4PhaseSpaceDecayChannel.hh"
00044 #include "G4DecayTable.hh"
00045 
00046 // ######################################################################
00047 // ###                          SigmacPlus                            ###
00048 // ######################################################################
00049 
00050 G4SigmacPlus* G4SigmacPlus::theInstance = 0;
00051 
00052 G4SigmacPlus* G4SigmacPlus::Definition()
00053 {
00054   if (theInstance !=0) return theInstance;
00055   const G4String name = "sigma_c+";
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,      2.4529*GeV,       2.2*MeV,  +1.0*eplus,
00073                     1,              +1,             0,
00074                     2,               0,             0,
00075              "baryon",               0,            +1,        4212,
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   // sigmac+ -> lambda_c + pi0
00084   mode[0] = new G4PhaseSpaceDecayChannel("sigma_c+",1.000,2,"lambda_c+","pi0");
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<G4SigmacPlus*>(anInstance);
00092   return theInstance;
00093 }
00094 
00095 G4SigmacPlus*  G4SigmacPlus::SigmacPlusDefinition()
00096 {
00097   return Definition();
00098 }
00099 
00100 G4SigmacPlus*  G4SigmacPlus::SigmacPlus()
00101 {
00102   return Definition();
00103 }
00104 

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