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G4ShellVacancy.cc
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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 
44 
45 { }
46 
48 {
49  G4int size = xsis.size();
50  for (G4int k =0; k<size; k++)
51  {
52  delete xsis[k];
53  xsis[k] = 0;
54  }
55 }
56 
58 {
59  xsis.push_back(p);
60 }
61 
63  couple,
64  G4double
65  incidentEnergy,
66  G4double eLoss) const
67 
68 {
69  std::vector<G4int> numberOfIonisations;
70  const G4Material* material = couple->GetMaterial();
71  G4int numberOfElements = material->GetNumberOfElements();
72 
73  for (G4int i = 0; i<numberOfElements; i++)
74  {
75  G4double averageNumberOfIonisations = AverageNOfIonisations(couple,
76  i,
77  incidentEnergy,
78  eLoss);
79  G4int ionisations = 0;
80  if(averageNumberOfIonisations > 0.0) {
81  ionisations = (G4int) G4Poisson(averageNumberOfIonisations);
82  }
83 
84  numberOfIonisations.push_back(ionisations);
85 
86  }
87  return numberOfIonisations;
88 
89 }
90 
92  G4int index,
94  G4double eLoss) const
95 
96 {
97  // G4int indexOfElementInMaterial= -1;
98 
99  G4double averageEnergy = energy - eLoss/2.;
100 
101  size_t indexInMaterialTable = couple->GetIndex();
102 
103  G4VEMDataSet* aSetOfXsi = xsis[indexInMaterialTable];
104 
105  G4double aXsi = aSetOfXsi->FindValue(averageEnergy,index);
106 
107  return aXsi * eLoss;
108 }