Gabriele Cosmo
109 lines
3.6 KiB
C++
109 lines
3.6 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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//
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//
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// Author: Elena Guardincerri (Elena.Guardincerri@ge.infn.it)
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//
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// History:
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// -----------
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// 21 Sept 2001 Elena Guardincerri Created
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// 25 Mar 2002 V.Ivanchenko Change AverageNOfIonisations int->double
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//
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// -------------------------------------------------------------------
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#include "G4ShellVacancy.hh"
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#include "G4MaterialCutsCouple.hh"
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#include "G4Material.hh"
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#include "G4Poisson.hh"
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#include "G4VEMDataSet.hh"
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G4ShellVacancy::G4ShellVacancy()
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{ }
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G4ShellVacancy::~G4ShellVacancy()
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{
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G4int size = xsis.size();
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for (G4int k =0; k<size; k++)
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{
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delete xsis[k];
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xsis[k] = 0;
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}
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}
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void G4ShellVacancy::AddXsiTable(G4VEMDataSet* p)
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{
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xsis.push_back(p);
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}
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std::vector<G4int> G4ShellVacancy::GenerateNumberOfIonisations(const G4MaterialCutsCouple*
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couple,
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G4double
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incidentEnergy,
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G4double eLoss) const
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{
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std::vector<G4int> numberOfIonisations;
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const G4Material* material = couple->GetMaterial();
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G4int numberOfElements = material->GetNumberOfElements();
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for (G4int i = 0; i<numberOfElements; i++)
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{
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G4double averageNumberOfIonisations = AverageNOfIonisations(couple,
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i,
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incidentEnergy,
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eLoss);
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G4int ionisations = 0;
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if(averageNumberOfIonisations > 0.0) {
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ionisations = (G4int) G4Poisson(averageNumberOfIonisations);
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}
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numberOfIonisations.push_back(ionisations);
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}
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return numberOfIonisations;
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}
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G4double G4ShellVacancy::AverageNOfIonisations(const G4MaterialCutsCouple* couple,
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G4int index,
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G4double energy,
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G4double eLoss) const
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{
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// G4int indexOfElementInMaterial= -1;
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G4double averageEnergy = energy - eLoss/2.;
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size_t indexInMaterialTable = couple->GetIndex();
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G4VEMDataSet* aSetOfXsi = xsis[indexInMaterialTable];
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G4double aXsi = aSetOfXsi->FindValue(averageEnergy,index);
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return aXsi * eLoss;
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}
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