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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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: G4CrossSectionElastic.cc,v 1.2 2010/11/19 11:12:11 vnivanch Exp $ |
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27 | // GEANT4 tag $Name: geant4-09-04-ref-00 $ |
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28 | // |
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29 | // ------------------------------------------------------------------- |
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30 | // |
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31 | // GEANT4 Class file |
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32 | // |
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33 | // |
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34 | // File name: G4CrossSectionElastic |
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35 | // |
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36 | // Author: Vladimir Ivanchenko |
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37 | // |
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38 | // Creation date: 19.11.2010 |
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39 | // Modifications: |
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40 | // |
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41 | // Class Description: |
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42 | // |
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43 | // Wrapper for elastic cross section build from a component |
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44 | // |
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45 | // ------------------------------------------------------------------- |
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46 | // |
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47 | |
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48 | #include "G4CrossSectionElastic.hh" |
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49 | #include "G4VComponentCrossSection.hh" |
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50 | #include "G4ParticleDefinition.hh" |
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51 | |
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52 | G4CrossSectionElastic::G4CrossSectionElastic(const G4ParticleDefinition* p, |
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53 | G4VComponentCrossSection* c, |
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54 | G4int zmin, G4int zmax, |
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55 | G4double Emin, G4double Emax) |
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56 | : G4VCrossSectionDataSet(c->GetName()),particle(p), component(c), |
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57 | Zmin(zmin),Zmax(zmax) |
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58 | { |
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59 | SetMinKinEnergy(Emin); |
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60 | SetMaxKinEnergy(Emax); |
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61 | } |
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62 | |
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63 | G4CrossSectionElastic::~G4CrossSectionElastic() |
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64 | { |
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65 | delete component; |
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66 | } |
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67 | |
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68 | G4bool G4CrossSectionElastic::IsApplicable(const G4DynamicParticle* p, |
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69 | const G4Element* elm) |
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70 | { |
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71 | return IsIsoApplicable(p, G4int(elm->GetZ()), 0); |
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72 | } |
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73 | |
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74 | G4bool |
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75 | G4CrossSectionElastic::IsIsoApplicable(const G4DynamicParticle* p, |
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76 | G4int Z, G4int) |
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77 | { |
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78 | G4double e = p->GetKineticEnergy(); |
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79 | return |
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80 | (Z >= Zmin && Z <= Zmax && e >= GetMinKinEnergy() && e <= GetMaxKinEnergy()); |
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81 | } |
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82 | |
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83 | |
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84 | G4double |
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85 | G4CrossSectionElastic::GetCrossSection(const G4DynamicParticle* p, |
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86 | const G4Element* elm, G4double) |
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87 | { |
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88 | return component->GetElasticCrossSection(p->GetDefinition(), |
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89 | p->GetKineticEnergy(), elm); |
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90 | } |
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91 | |
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92 | G4double |
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93 | G4CrossSectionElastic::GetZandACrossSection(const G4DynamicParticle* p, G4int Z, |
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94 | G4int A, G4double) |
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95 | { |
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96 | return component->GetElasticZandACrossSection(p->GetDefinition(), |
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97 | p->GetKineticEnergy(), |
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98 | Z, A); |
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99 | } |
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