G4AntiDeuteron.cc

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00001 //
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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 "G4AntiDeuteron.hh"
00040 #include "G4SystemOfUnits.hh"
00041 #include "G4PhysicalConstants.hh"
00042 #include "G4ParticleTable.hh"
00043 
00044 // ######################################################################
00045 // ###                    ANTI DEUTERON                               ###
00046 // ######################################################################
00047 
00048 G4AntiDeuteron* G4AntiDeuteron::theInstance = 0;
00049 
00050 G4AntiDeuteron* G4AntiDeuteron::Definition()
00051 {
00052   if (theInstance !=0) return theInstance;
00053   const G4String name = "anti_deuteron";
00054   // search in particle table]
00055   G4ParticleTable* pTable = G4ParticleTable::GetParticleTable();
00056   G4Ions* anInstance =  reinterpret_cast<G4Ions*>(pTable->FindParticle(name));
00057   if (anInstance ==0)
00058   {
00059   // create particle
00060   //
00061   //    Arguments for constructor are as follows
00062   //               name             mass          width         charge
00063   //             2*spin           parity  C-conjugation
00064   //          2*Isospin       2*Isospin3       G-parity
00065   //               type    lepton number  baryon number   PDG encoding
00066   //             stable         lifetime    decay table
00067   //             shortlived      subType    anti_encoding
00068   //             excitation 
00069     anInstance = new G4Ions(
00070                  name,   1.875613*GeV,       0.0*MeV,  -1.0*eplus,
00071                     2,              +1,             0,
00072                     0,               0,             0,
00073        "anti_nucleus",               0,            -2, -1000010020,
00074                  true,            -1.0,          NULL,
00075                 false,        "static",    1000010020,
00076                   0.0
00077               );
00078 
00079     // Magnetic Moment
00080     G4double mN = eplus*hbar_Planck/2./(proton_mass_c2 /c_squared);
00081     anInstance->SetPDGMagneticMoment( -0.857438230 * mN);
00082 
00083   }
00084 
00085   theInstance = reinterpret_cast<G4AntiDeuteron*>(anInstance);
00086   return theInstance;
00087 }
00088 
00089 G4AntiDeuteron*  G4AntiDeuteron::AntiDeuteronDefinition()
00090 {
00091   return Definition();
00092 }
00093 
00094 G4AntiDeuteron*  G4AntiDeuteron::AntiDeuteron()
00095 {
00096   return Definition();
00097 }
00098 

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