Geant4 9.6.0
Toolkit for the simulation of the passage of particles through matter
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G4KaonZeroShort.cc
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1//
2// ********************************************************************
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5// * The Geant4 software is copyright of the Copyright Holders of *
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12// * institutes,nor the agencies providing financial support for this *
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14// * regarding this software system or assume any liability for its *
15// * use. Please see the license in the file LICENSE and URL above *
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18// * This code implementation is the result of the scientific and *
19// * technical work of the GEANT4 collaboration. *
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24// ********************************************************************
25//
26//
27// $Id$
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// H.Kurashige 7 Jul 96
36// **********************************************************************
37// New impelemenataion as an utility class M.Asai, 26 July 2004
38// ----------------------------------------------------------------------
39
40#include "G4KaonZeroShort.hh"
41#include "G4SystemOfUnits.hh"
42#include "G4ParticleTable.hh"
43
45#include "G4DecayTable.hh"
46
47// ######################################################################
48// ### KAONZEROSHORT ###
49// ######################################################################
50
51G4KaonZeroShort* G4KaonZeroShort::theInstance = 0;
52
54{
55 if (theInstance !=0) return theInstance;
56 const G4String name = "kaon0S";
57 // search in particle table]
59 G4ParticleDefinition* anInstance = pTable->FindParticle(name);
60 if (anInstance ==0)
61 {
62 // create particle
63 //
64 // Arguments for constructor are as follows
65 // name mass width charge
66 // 2*spin parity C-conjugation
67 // 2*Isospin 2*Isospin3 G-parity
68 // type lepton number baryon number PDG encoding
69 // stable lifetime decay table
70 // shortlived subType anti_encoding
71
72 anInstance = new G4ParticleDefinition(
73 name, 0.497614*GeV, 7.352e-12*MeV, 0.0,
74 0, -1, 0,
75 1, 0, 0,
76 "meson", 0, 0, 310,
77 false, 0.08958*ns, NULL,
78 false, "kaon", 310);
79
80 //create Decay Table
81 G4DecayTable* table = new G4DecayTable();
82
83 // create decay channels
84 G4VDecayChannel** mode = new G4VDecayChannel*[2];
85 // kaon0s -> pi+ + pi-
86 mode[0] = new G4PhaseSpaceDecayChannel("kaon0S",0.6920,2,"pi+","pi-");
87 // kaon0s -> pi0 + pi0
88 mode[1] = new G4PhaseSpaceDecayChannel("kaon0S",0.3069,2,"pi0","pi0");
89
90 for (G4int index=0; index <2; index++ ) table->Insert(mode[index]);
91 delete [] mode;
92
93 anInstance->SetDecayTable(table);
94 }
95 theInstance = reinterpret_cast<G4KaonZeroShort*>(anInstance);
96 return theInstance;
97}
98
100{
101 return Definition();
102}
103
105{
106 return Definition();
107}
108
int G4int
Definition: G4Types.hh:66
void Insert(G4VDecayChannel *aChannel)
Definition: G4DecayTable.cc:60
static G4KaonZeroShort * KaonZeroShortDefinition()
static G4KaonZeroShort * Definition()
static G4KaonZeroShort * KaonZeroShort()
void SetDecayTable(G4DecayTable *aDecayTable)
G4ParticleDefinition * FindParticle(G4int PDGEncoding)
static G4ParticleTable * GetParticleTable()
#define ns
Definition: xmlparse.cc:597