G4KaonZeroLong.cc

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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 //                              H.Kurashige   7 Jul 96
00036 // **********************************************************************
00037 //  New impelemenataion as an utility class  M.Asai, 26 July 2004
00038 // ----------------------------------------------------------------------
00039 //      Update width (PDG2006)              Oct. 11 2006 H.Kurashige 
00040 //
00041 
00042 #include "G4KaonZeroLong.hh"
00043 #include "G4SystemOfUnits.hh"
00044 #include "G4ParticleTable.hh"
00045 
00046 #include "G4PhaseSpaceDecayChannel.hh"
00047 #include "G4KL3DecayChannel.hh"
00048 #include "G4DecayTable.hh"
00049 
00050 // ######################################################################
00051 // ###                      KAONZEROLONG                              ###
00052 // ######################################################################
00053 
00054 G4KaonZeroLong* G4KaonZeroLong::theInstance = 0;
00055 
00056 G4KaonZeroLong* G4KaonZeroLong::Definition()
00057 {
00058   if (theInstance !=0) return theInstance;
00059   const G4String name = "kaon0L";
00060   // search in particle table]
00061   G4ParticleTable* pTable = G4ParticleTable::GetParticleTable();
00062   G4ParticleDefinition* anInstance = pTable->FindParticle(name);
00063   if (anInstance ==0)
00064   {
00065   // create particle
00066   //
00067   //    Arguments for constructor are as follows
00068   //               name             mass          width         charge
00069   //             2*spin           parity  C-conjugation
00070   //          2*Isospin       2*Isospin3       G-parity
00071   //               type    lepton number  baryon number   PDG encoding
00072   //             stable         lifetime    decay table
00073   //             shortlived      subType    anti_encoding
00074 
00075    anInstance = new G4ParticleDefinition(
00076                  name,    0.497614*GeV,  1.287e-14*MeV,         0.0,
00077                     0,              -1,             0,
00078                     1,               0,             0,
00079               "meson",               0,             0,         130,
00080                 false,        51.16*ns,          NULL,
00081                 false,          "kaon",           130);
00082 
00083  //create Decay Table
00084   G4DecayTable* table = new G4DecayTable();
00085 
00086  // create decay channels
00087   G4VDecayChannel** mode = new G4VDecayChannel*[6];
00088   // kaon0L -> pi0 + pi0 + pi0
00089   mode[0] = new G4PhaseSpaceDecayChannel("kaon0L",0.1952,3,"pi0","pi0","pi0");
00090   // kaon0L -> pi0 + pi+ + pi-
00091   mode[1] = new G4PhaseSpaceDecayChannel("kaon0L",0.1254,3,"pi0","pi+","pi-");
00092   // kaon0L -> pi- + e+ + nu_e (Ke3)
00093   mode[2] = new G4KL3DecayChannel("kaon0L",0.2027,"pi-","e+","nu_e");
00094   // kaon0L -> pi+ + e- + anti_nu_e (Ke3)
00095   mode[3] = new G4KL3DecayChannel("kaon0L",0.2027,"pi+","e-","anti_nu_e");
00096   // kaon0L -> pi- + mu+ + nu_mu (Kmu3)
00097   mode[4] = new G4KL3DecayChannel("kaon0L",0.1352,"pi-","mu+","nu_mu");
00098   // kaon0L -> pi+ + mu- + anti_nu_mu (Kmu3)
00099   mode[5] = new G4KL3DecayChannel("kaon0L",0.1352,"pi+","mu-","anti_nu_mu");
00100 
00101   for (G4int index=0; index <6; index++ ) table->Insert(mode[index]);
00102   delete [] mode;
00103 
00104    anInstance->SetDecayTable(table);
00105   }
00106   theInstance = reinterpret_cast<G4KaonZeroLong*>(anInstance);
00107   return theInstance;
00108 }
00109 
00110 G4KaonZeroLong*  G4KaonZeroLong::KaonZeroLongDefinition()
00111 {
00112   return Definition();
00113 }
00114 
00115 G4KaonZeroLong*  G4KaonZeroLong::KaonZeroLong()
00116 {
00117   return Definition();
00118 }
00119 

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