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G4eIonisation.cc
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25 //
26 //
27 // -------------------------------------------------------------------
28 //
29 // GEANT4 Class file
30 //
31 //
32 // File name: G4eIonisation
33 //
34 // Author: Laszlo Urban
35 //
36 // Creation date: 20.03.1997
37 //
38 // Modified by Michel Maire and Vladimir Ivanchenko
39 //
40 // -------------------------------------------------------------------
41 //
42 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
43 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
44 
45 #include "G4eIonisation.hh"
46 #include "G4Electron.hh"
47 #include "G4MollerBhabhaModel.hh"
48 #include "G4UniversalFluctuation.hh"
49 #include "G4BohrFluctuations.hh"
50 #include "G4UnitsTable.hh"
51 #include "G4EmParameters.hh"
52 
53 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
54 
55 using namespace std;
56 
57 G4eIonisation::G4eIonisation(const G4String& name)
58  : G4VEnergyLossProcess(name),
59  theElectron(G4Electron::Electron()),
60  isElectron(true),
61  isInitialised(false)
62 {
63  SetProcessSubType(fIonisation);
64  SetSecondaryParticle(theElectron);
65 }
66 
67 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
68 
69 G4eIonisation::~G4eIonisation()
70 {}
71 
72 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
73 
74 G4double G4eIonisation::MinPrimaryEnergy(const G4ParticleDefinition*,
75  const G4Material*,
76  G4double cut)
77 {
78  G4double x = cut;
79  if(isElectron) x += cut;
80  return x;
81 }
82 
83 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
84 
85 G4bool G4eIonisation::IsApplicable(const G4ParticleDefinition& p)
86 {
87  return (&p == theElectron || &p == G4Positron::Positron());
88 }
89 
90 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
91 
92 void G4eIonisation::InitialiseEnergyLossProcess(
93  const G4ParticleDefinition* part,
94  const G4ParticleDefinition*)
95 {
96  if(!isInitialised) {
97  if(part != theElectron) { isElectron = false; }
98  if (!EmModel(0)) { SetEmModel(new G4MollerBhabhaModel()); }
99  G4EmParameters* param = G4EmParameters::Instance();
100  EmModel(0)->SetLowEnergyLimit(param->MinKinEnergy());
101  EmModel(0)->SetHighEnergyLimit(param->MaxKinEnergy());
102  if (!FluctModel()) { SetFluctModel(new G4UniversalFluctuation()); }
103 
104  AddEmModel(1, EmModel(), FluctModel());
105  isInitialised = true;
106  }
107 }
108 
109 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
110 
111 void G4eIonisation::PrintInfo()
112 {}
113 
114 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
115 
116 void G4eIonisation::ProcessDescription(std::ostream& out) const
117 {
118  out << " Ionisation";
119  G4VEnergyLossProcess::ProcessDescription(out);
120 }
121 
122 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......