1 | // |
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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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4 | // * * |
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6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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9 | // * include a list of copyright holders. * |
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11 | // * Neither the authors of this software system, nor their employing * |
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13 | // * work make any representation or warranty, express or implied, * |
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15 | // * use. Please see the license in the file LICENSE and URL above * |
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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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21 | // * any work based on the software) you agree to acknowledge its * |
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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 1.1 2008/07/16 19:01:07 sincerti Exp $ |
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27 | // GEANT4 tag $Name: geant4-09-02 $ |
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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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