| Geant4 Cross Reference |
1 //
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25 //
26 //
27 //
28 // Author: Elena Guardincerri (Elena.Guardincerri@ge.infn.it)
29 //
30 // History:
31 // -----------
32 // 21 Sept 2001 Elena Guardincerri Created
33 // 25 Mar 2002 V.Ivanchenko Change AverageNOfIonisations int->double
34 //
35 // -------------------------------------------------------------------
36
37 #include "G4ShellVacancy.hh"
38 #include "G4MaterialCutsCouple.hh"
39 #include "G4Material.hh"
40 #include "G4Poisson.hh"
41 #include "G4VEMDataSet.hh"
42
43 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
44 G4ShellVacancy::G4ShellVacancy()
45 { }
46
47 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
48 G4ShellVacancy::~G4ShellVacancy()
49 {
50 std::size_t size = xsis.size();
51 for (std::size_t k =0; k<size; ++k)
52 {
53 delete xsis[k];
54 xsis[k] = nullptr;
55 }
56 }
57
58 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
59 void G4ShellVacancy::AddXsiTable(G4VEMDataSet* p)
60 {
61 xsis.push_back(p);
62 }
63
64 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
65
66 std::vector<G4int> G4ShellVacancy::GenerateNumberOfIonisations(const G4MaterialCutsCouple*
67 couple,
68 G4double
69 incidentEnergy,
70 G4double eLoss) const
71 {
72 std::vector<G4int> numberOfIonisations;
73 const G4Material* material = couple->GetMaterial();
74 G4int numberOfElements = (G4int)material->GetNumberOfElements();
75
76 for (G4int i = 0; i<numberOfElements; ++i)
77 {
78 G4double averageNumberOfIonisations = AverageNOfIonisations(couple,
79 i,
80 incidentEnergy,
81 eLoss);
82 G4int ionisations = 0;
83 if(averageNumberOfIonisations > 0.0) {
84 ionisations = (G4int) G4Poisson(averageNumberOfIonisations);
85 }
86
87 numberOfIonisations.push_back(ionisations);
88
89 }
90 return numberOfIonisations;
91
92 }
93
94 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
95
96 G4double G4ShellVacancy::AverageNOfIonisations(const G4MaterialCutsCouple* couple,
97 G4int index,
98 G4double energy,
99 G4double eLoss) const
100
101 {
102 G4double averageEnergy = energy - eLoss/2.;
103 std::size_t indexInMaterialTable = couple->GetIndex();
104
105 G4VEMDataSet* aSetOfXsi = xsis[indexInMaterialTable];
106
107 G4double aXsi = aSetOfXsi->FindValue(averageEnergy,index);
108
109 return aXsi * eLoss;
110 }
111