G4AntiDMesonZero.cc

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00026 //
00027 // $Id$
00028 //
00029 // 
00030 // ----------------------------------------------------------------------
00031 //      GEANT 4 class implementation file
00032 //
00033 //      Created                 Hisaya Kurashige, 16 June 1997
00034 // **********************************************************************
00035 //  New impelemenataion as an utility class  M.Asai, 26 July 2004
00036 // ----------------------------------------------------------------------
00037 
00038 #include "G4AntiDMesonZero.hh"
00039 #include "G4SystemOfUnits.hh"
00040 #include "G4ParticleTable.hh"
00041 
00042 // ######################################################################
00043 // ###                      AntiDMesonZero                            ###
00044 // ######################################################################
00045 
00046 G4AntiDMesonZero* G4AntiDMesonZero::theInstance = 0;
00047 
00048 G4AntiDMesonZero* G4AntiDMesonZero::Definition()
00049 {
00050   if (theInstance !=0) return theInstance;
00051   const G4String name = "anti_D0";
00052   // search in particle table]
00053   G4ParticleTable* pTable = G4ParticleTable::GetParticleTable();
00054   G4ParticleDefinition* anInstance = pTable->FindParticle(name);
00055   if (anInstance ==0)
00056   {
00057   // create particle
00058   //
00059   //    Arguments for constructor are as follows
00060   //               name             mass          width         charge
00061   //             2*spin           parity  C-conjugation
00062   //          2*Isospin       2*Isospin3       G-parity
00063   //               type    lepton number  baryon number   PDG encoding
00064   //             stable         lifetime    decay table
00065   //             shortlived      subType    anti_encoding
00066 
00067    anInstance = new G4ParticleDefinition(
00068                  name,      1.8648*GeV,  1.605e-9*MeV,          0.,
00069                     0,              -1,             0,
00070                     1,              +1,             0,
00071               "meson",               0,             0,        -421,
00072                 false,    0.4101e-3*ns,          NULL,
00073                 false,       "D");
00074   }
00075   theInstance = reinterpret_cast<G4AntiDMesonZero*>(anInstance);
00076   return theInstance;
00077 }
00078 
00079 G4AntiDMesonZero*  G4AntiDMesonZero::AntiDMesonZeroDefinition()
00080 {
00081   return Definition();
00082 }
00083 
00084 G4AntiDMesonZero*  G4AntiDMesonZero::AntiDMesonZero()
00085 {
00086   return Definition();
00087 }
00088 

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