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25 //
26 // -------------------------------------------------------------------
27 //
28 // GEANT4 Class file
29 //
30 //
31 // File name: G4eIonisation
32 //
33 // Author: Laszlo Urban
34 //
35 // Creation date: 20.03.1997
36 //
37 // Modified by Michel Maire and Vladimir Ivanchenko
38 //
39 // -------------------------------------------------------------------
40 //
41 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
42 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
43
44 #include "G4eIonisation.hh"
45 #include "G4Electron.hh"
46 #include "G4MollerBhabhaModel.hh"
47 #include "G4EmParameters.hh"
48 #include "G4EmStandUtil.hh"
49
50 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
51
52 G4eIonisation::G4eIonisation(const G4String& name)
53 : G4VEnergyLossProcess(name),
54 theElectron(G4Electron::Electron()),
55 isElectron(true),
56 isInitialised(false)
57 {
58 SetProcessSubType(fIonisation);
59 SetSecondaryParticle(theElectron);
60 }
61
62 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
63
64 G4eIonisation::~G4eIonisation() = default;
65
66 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
67
68 G4double G4eIonisation::MinPrimaryEnergy(const G4ParticleDefinition*,
69 const G4Material*,
70 G4double cut)
71 {
72 G4double x = cut;
73 if(isElectron) x += cut;
74 return x;
75 }
76
77 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
78
79 G4bool G4eIonisation::IsApplicable(const G4ParticleDefinition& p)
80 {
81 return (&p == theElectron || &p == G4Positron::Positron());
82 }
83
84 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
85
86 void G4eIonisation::InitialiseEnergyLossProcess(
87 const G4ParticleDefinition* part,
88 const G4ParticleDefinition*)
89 {
90 if(!isInitialised) {
91 if(part != theElectron) { isElectron = false; }
92 if (nullptr == EmModel(0)) { SetEmModel(new G4MollerBhabhaModel()); }
93 G4EmParameters* param = G4EmParameters::Instance();
94 EmModel(0)->SetLowEnergyLimit(param->MinKinEnergy());
95 EmModel(0)->SetHighEnergyLimit(param->MaxKinEnergy());
96 if (nullptr == FluctModel()) {
97 SetFluctModel(G4EmStandUtil::ModelOfFluctuations());
98 }
99 AddEmModel(1, EmModel(), FluctModel());
100 isInitialised = true;
101 }
102 }
103
104 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
105
106 void G4eIonisation::ProcessDescription(std::ostream& out) const
107 {
108 out << " Ionisation";
109 G4VEnergyLossProcess::ProcessDescription(out);
110 }
111
112 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
113