[819] | 1 | // |
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| 2 | // ******************************************************************** |
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| 3 | // * License and Disclaimer * |
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| 4 | // * * |
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| 5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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| 6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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| 7 | // * conditions of the Geant4 Software License, included in the file * |
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| 8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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| 9 | // * include a list of copyright holders. * |
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| 10 | // * * |
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| 11 | // * Neither the authors of this software system, nor their employing * |
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| 12 | // * institutes,nor the agencies providing financial support for this * |
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| 13 | // * work make any representation or warranty, express or implied, * |
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| 14 | // * regarding this software system or assume any liability for its * |
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| 15 | // * use. Please see the license in the file LICENSE and URL above * |
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| 16 | // * for the full disclaimer and the limitation of liability. * |
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| 17 | // * * |
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| 18 | // * This code implementation is the result of the scientific and * |
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| 19 | // * technical work of the GEANT4 collaboration. * |
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| 20 | // * By using, copying, modifying or distributing the software (or * |
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| 21 | // * any work based on the software) you agree to acknowledge its * |
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| 22 | // * use in resulting scientific publications, and indicate your * |
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| 23 | // * acceptance of all terms of the Geant4 Software license. * |
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| 24 | // ******************************************************************** |
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| 25 | // |
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| 26 | // |
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| 27 | // $Id: G4ShellVacancy.cc |
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| 28 | // GEANT4 tag $Name: |
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| 29 | // |
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| 30 | // Author: Elena Guardincerri (Elena.Guardincerri@ge.infn.it) |
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| 31 | // |
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| 32 | // History: |
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| 33 | // ----------- |
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| 34 | // 21 Sept 2001 Elena Guardincerri Created |
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| 35 | // 25 Mar 2002 V.Ivanchenko Change AverageNOfIonisations int->double |
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| 36 | // |
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| 37 | // ------------------------------------------------------------------- |
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| 38 | |
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| 39 | #include "G4ShellVacancy.hh" |
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| 40 | #include "G4MaterialCutsCouple.hh" |
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| 41 | #include "G4Material.hh" |
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| 42 | #include "G4Poisson.hh" |
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| 43 | #include "G4VEMDataSet.hh" |
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| 44 | |
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| 45 | G4ShellVacancy::G4ShellVacancy() |
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| 46 | |
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| 47 | { } |
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| 48 | |
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| 49 | G4ShellVacancy::~G4ShellVacancy() |
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| 50 | |
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| 51 | { |
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[1055] | 52 | /* |
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[819] | 53 | G4int size = xsis.size(); |
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| 54 | for (G4int k =0; k<size; k++) |
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| 55 | { |
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| 56 | delete xsis[k]; |
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| 57 | xsis[k] = 0; |
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| 58 | } |
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[1055] | 59 | */ |
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[819] | 60 | } |
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| 61 | |
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[1055] | 62 | void G4ShellVacancy::AddXsiTable(G4VEMDataSet* p) |
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[819] | 63 | { |
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[1055] | 64 | xsis.push_back(p); |
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[819] | 65 | } |
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| 66 | |
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| 67 | std::vector<G4int> G4ShellVacancy::GenerateNumberOfIonisations(const G4MaterialCutsCouple* |
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| 68 | couple, |
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| 69 | G4double |
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| 70 | incidentEnergy, |
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| 71 | G4double eLoss) const |
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| 72 | |
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| 73 | { |
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| 74 | std::vector<G4int> numberOfIonisations; |
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| 75 | const G4Material* material = couple->GetMaterial(); |
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| 76 | G4int numberOfElements = material->GetNumberOfElements(); |
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| 77 | |
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| 78 | for (G4int i = 0; i<numberOfElements; i++) |
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| 79 | { |
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| 80 | G4double averageNumberOfIonisations = AverageNOfIonisations(couple, |
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| 81 | i, |
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| 82 | incidentEnergy, |
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| 83 | eLoss); |
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| 84 | G4int ionisations = 0; |
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| 85 | if(averageNumberOfIonisations > 0.0) { |
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| 86 | ionisations = (G4int) G4Poisson(averageNumberOfIonisations); |
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| 87 | } |
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| 88 | |
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| 89 | numberOfIonisations.push_back(ionisations); |
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| 90 | |
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| 91 | } |
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| 92 | return numberOfIonisations; |
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| 93 | |
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| 94 | } |
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| 95 | |
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| 96 | G4double G4ShellVacancy::AverageNOfIonisations(const G4MaterialCutsCouple* couple, |
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| 97 | G4int index, |
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| 98 | G4double energy, |
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| 99 | G4double eLoss) const |
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| 100 | |
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| 101 | { |
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| 102 | // G4int indexOfElementInMaterial= -1; |
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| 103 | |
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| 104 | G4double averageEnergy = energy - eLoss/2.; |
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| 105 | |
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| 106 | size_t indexInMaterialTable = couple->GetIndex(); |
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| 107 | |
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| 108 | G4VEMDataSet* aSetOfXsi = xsis[indexInMaterialTable]; |
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| 109 | |
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| 110 | G4double aXsi = aSetOfXsi->FindValue(averageEnergy,index); |
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| 111 | |
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| 112 | return aXsi * eLoss; |
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| 113 | } |
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