| 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 | // $Id: G4CrossSectionPsCreationChampion.cc,v 1.2 2009/06/10 13:32:36 mantero Exp $
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| 27 | // GEANT4 tag $Name: geant4-09-03-cand-01 $
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| 28 | // -------------------------------------------------------------------
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| 29 |
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| 30 | #include "G4CrossSectionPsCreationChampion.hh"
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| 31 |
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| 32 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 33 |
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| 34 | G4CrossSectionPsCreationChampion::G4CrossSectionPsCreationChampion()
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| 35 | {
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| 36 | lowEnergyLimit = 10. * eV;
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| 37 | highEnergyLimit = 5. * keV;
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| 38 |
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| 39 | G4ParticleDefinition* positronDef = G4Positron::PositronDefinition();
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| 40 | if (positronDef ==0 ) G4Exception("G4CrossSectionPsCreationchampion constructor: positron is not defined");
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| 41 | }
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| 42 |
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| 43 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 44 |
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| 45 | G4CrossSectionPsCreationChampion::~G4CrossSectionPsCreationChampion()
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| 46 | {}
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| 47 |
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| 48 | //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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| 49 |
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| 50 | G4double G4CrossSectionPsCreationChampion::CrossSection(const G4Track& track )
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| 51 | {
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| 52 | const G4DynamicParticle* particle = track.GetDynamicParticle();
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| 53 | G4double k = particle->GetKineticEnergy();
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| 54 | const G4ParticleDefinition* particleDefinition = track.GetDefinition();
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| 55 |
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| 56 | if (particleDefinition != G4Positron::PositronDefinition())
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| 57 | G4Exception("G4CrossSectionPsCreationChampion::CrossSection: attempting to calculate cross section for wrong particle");
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| 58 |
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| 59 | G4double totalCrossSection = 0.;
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| 60 |
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| 61 | if (k > lowEnergyLimit && k < highEnergyLimit)
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| 62 | {
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| 63 | totalCrossSection = partialCrossSection.Sum(k,particleDefinition);
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| 64 | }
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| 65 | return totalCrossSection;
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| 66 | }
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