Geant4  9.6.p02
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G4hPairProduction.cc
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26 // $Id: G4hPairProduction.cc 66996 2013-01-29 14:50:52Z gcosmo $
27 //
28 // -------------------------------------------------------------------
29 //
30 // GEANT4 Class file
31 //
32 //
33 // File name: G4hPairProduction
34 //
35 // Author: Vladimir Ivanchenko on base of model for muons
36 //
37 // Creation date: 01.03.2008
38 //
39 // Modifications:
40 //
41 //
42 // -------------------------------------------------------------------
43 //
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46 
47 #include "G4hPairProduction.hh"
48 #include "G4SystemOfUnits.hh"
49 #include "G4Electron.hh"
50 #include "G4Positron.hh"
53 
54 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
55 
56 using namespace std;
57 
59  : G4VEnergyLossProcess(name),
60  theParticle(0),
61  theBaseParticle(0),
62  lowestKinEnergy(1.*GeV),
63  isInitialised(false)
64 {
67  SetIonisation(false);
68 }
69 
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71 
73 {}
74 
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76 
78 {
79  return (p.GetPDGCharge() != 0.0 && p.GetPDGMass() > 110.0*MeV);
80 }
81 
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83 
85  const G4Material*,
86  G4double)
87 {
88  return lowestKinEnergy;
89 }
90 
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92 
95  const G4ParticleDefinition*)
96 {
97  if (!isInitialised) {
98  isInitialised = true;
99 
100  theParticle = part;
101  if (!EmModel()) { SetEmModel(new G4hPairProductionModel()); }
102 
103  G4VEmFluctuationModel* fm = 0;
106  AddEmModel(1, EmModel(), fm);
107  }
108 }
109 
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111 
113 {}
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