Geant4  10.00.p01
G4ShellVacancy.cc
Go to the documentation of this file.
1 //
2 // ********************************************************************
3 // * License and Disclaimer *
4 // * *
5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. *
10 // * *
11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitation of liability. *
17 // * *
18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Software license. *
24 // ********************************************************************
25 //
26 //
27 // $Id: G4ShellVacancy.cc
28 // GEANT4 tag $Name:
29 //
30 // Author: Elena Guardincerri (Elena.Guardincerri@ge.infn.it)
31 //
32 // History:
33 // -----------
34 // 21 Sept 2001 Elena Guardincerri Created
35 // 25 Mar 2002 V.Ivanchenko Change AverageNOfIonisations int->double
36 //
37 // -------------------------------------------------------------------
38 
39 #include "G4ShellVacancy.hh"
40 #include "G4MaterialCutsCouple.hh"
41 #include "G4Material.hh"
42 #include "G4Poisson.hh"
43 #include "G4VEMDataSet.hh"
44 
46 
47 { }
48 
50 {
51  G4int size = xsis.size();
52  for (G4int k =0; k<size; k++)
53  {
54  delete xsis[k];
55  xsis[k] = 0;
56  }
57 }
58 
60 {
61  xsis.push_back(p);
62 }
63 
65  couple,
66  G4double
67  incidentEnergy,
68  G4double eLoss) const
69 
70 {
71  std::vector<G4int> numberOfIonisations;
72  const G4Material* material = couple->GetMaterial();
73  G4int numberOfElements = material->GetNumberOfElements();
74 
75  for (G4int i = 0; i<numberOfElements; i++)
76  {
77  G4double averageNumberOfIonisations = AverageNOfIonisations(couple,
78  i,
79  incidentEnergy,
80  eLoss);
81  G4int ionisations = 0;
82  if(averageNumberOfIonisations > 0.0) {
83  ionisations = (G4int) G4Poisson(averageNumberOfIonisations);
84  }
85 
86  numberOfIonisations.push_back(ionisations);
87 
88  }
89  return numberOfIonisations;
90 
91 }
92 
94  G4int index,
96  G4double eLoss) const
97 
98 {
99  // G4int indexOfElementInMaterial= -1;
100 
101  G4double averageEnergy = energy - eLoss/2.;
102 
103  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 }
std::vector< G4int > GenerateNumberOfIonisations(const G4MaterialCutsCouple *couple, G4double incidentEnergy, G4double eLoss) const
virtual G4double FindValue(G4double x, G4int componentId=0) const =0
G4long G4Poisson(G4double mean)
Definition: G4Poisson.hh:51
G4double AverageNOfIonisations(const G4MaterialCutsCouple *couple, G4int index, G4double energy, G4double eLoss) const
std::vector< G4VEMDataSet * > xsis
int G4int
Definition: G4Types.hh:78
G4double energy(const ThreeVector &p, const G4double m)
size_t GetNumberOfElements() const
Definition: G4Material.hh:184
double G4double
Definition: G4Types.hh:76
void AddXsiTable(G4VEMDataSet *p)
const G4Material * GetMaterial() const