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G4Alpha.cc
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26 //
27 // $Id: G4Alpha.cc 69557 2013-05-08 12:01:40Z gcosmo $
28 //
29 //
30 // ----------------------------------------------------------------------
31 // GEANT 4 class implementation file
32 //
33 // History: first implementation, based on object model of
34 // 4th April 1996, G.Cosmo
35 // **********************************************************************
36 // New impelemenataion as an utility class M.Asai, 26 July 2004
37 // ----------------------------------------------------------------------
38 
39 #include "G4Alpha.hh"
40 #include "G4SystemOfUnits.hh"
41 #include "G4ParticleTable.hh"
42 
43 // ######################################################################
44 // ### ALPHA ###
45 // ######################################################################
46 
48 
50 {
51  if (theInstance !=0) return theInstance;
52  const G4String name = "alpha";
53  // search in particle table]
55  G4Ions* anInstance = reinterpret_cast<G4Ions*>(pTable->FindParticle(name));
56  if (anInstance ==0)
57  {
58  // create particle
59  //
60  // Arguments for constructor are as follows
61  // name mass width charge
62  // 2*spin parity C-conjugation
63  // 2*Isospin 2*Isospin3 G-parity
64  // type lepton number baryon number PDG encoding
65  // stable lifetime decay table
66  // shortlived subType anti_encoding
67  // excitation
68  anInstance = new G4Ions(
69  name, 3.727379*GeV, 0.0*MeV, +2.0*eplus,
70  0, +1, 0,
71  0, 0, 0,
72  "nucleus", 0, +4, 1000020040,
73  true, -1.0, NULL,
74  false, "static", -1000020040,
75  0.0, 0
76  );
77 
78  }
79 
80  theInstance = reinterpret_cast<G4Alpha*>(anInstance);
81  return theInstance;
82 }
83 
85 {
86  return Definition();
87 }
88 
90 {
91  return Definition();
92 }
93 
94 
G4ParticleDefinition * FindParticle(G4int PDGEncoding)
static G4Alpha * theInstance
Definition: G4Alpha.hh:54
const XML_Char * name
Definition: expat.h:151
static G4Alpha * Definition()
Definition: G4Alpha.cc:49
static G4ParticleTable * GetParticleTable()
static constexpr double MeV
Definition: G4SIunits.hh:214
Definition: G4Ions.hh:51
G4Ions()
Definition: G4Ions.hh:62
static G4Alpha * Alpha()
Definition: G4Alpha.cc:89
static G4Alpha * AlphaDefinition()
Definition: G4Alpha.cc:84
static constexpr double eplus
Definition: G4SIunits.hh:199
static constexpr double GeV
Definition: G4SIunits.hh:217