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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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: G4IonProtonCrossSection.cc,v 1.4 2010/10/15 23:49:33 dennis Exp $ |
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27 | // GEANT4 tag $Name: hadr-cross-V09-03-12 $ |
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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: G4IonProtonCrossSection |
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35 | // |
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36 | // Author Ivantchenko, Geant4, 30 July 2010 |
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37 | // |
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38 | // Modifications: |
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39 | // |
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40 | |
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41 | #include "G4IonProtonCrossSection.hh" |
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42 | #include "G4ProtonInelasticCrossSection.hh" |
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43 | #include "G4DynamicParticle.hh" |
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44 | #include "G4Element.hh" |
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45 | #include "G4HadTmpUtil.hh" |
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46 | |
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47 | using namespace std; |
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48 | |
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49 | G4IonProtonCrossSection::G4IonProtonCrossSection() |
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50 | : G4VCrossSectionDataSet("AxenWellischIonH") |
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51 | { |
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52 | theForward = new G4ProtonInelasticCrossSection(); |
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53 | } |
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54 | |
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55 | G4IonProtonCrossSection::~G4IonProtonCrossSection() |
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56 | { |
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57 | delete theForward; |
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58 | } |
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59 | |
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60 | G4bool |
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61 | G4IonProtonCrossSection::IsApplicable(const G4DynamicParticle* dp, |
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62 | const G4Element* elm) |
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63 | { |
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64 | G4int Z = G4lrint(elm->GetZ()); |
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65 | G4int A = G4lrint(elm->GetN()); |
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66 | return IsIsoApplicable(dp, Z, A); |
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67 | } |
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68 | |
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69 | |
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70 | G4bool |
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71 | G4IonProtonCrossSection::IsIsoApplicable(const G4DynamicParticle* dp, |
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72 | G4int Z, G4int A) |
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73 | { |
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74 | G4bool result = false; |
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75 | if(Z < 2 && A < 2 && dp->GetDefinition()->GetPDGCharge()/eplus > 2.5) |
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76 | { result = true;} |
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77 | return result; |
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78 | } |
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79 | |
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80 | |
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81 | G4double |
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82 | G4IonProtonCrossSection::GetCrossSection(const G4DynamicParticle* dp, |
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83 | const G4Element*, G4double) |
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84 | { |
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85 | return GetZandACrossSection(dp); |
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86 | } |
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87 | |
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88 | |
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89 | G4double |
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90 | G4IonProtonCrossSection::GetZandACrossSection(const G4DynamicParticle* dp, |
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91 | G4int /*ZZ*/, G4int /*AA*/, |
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92 | G4double /*temperature*/) |
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93 | { |
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94 | const G4ParticleDefinition* p = dp->GetDefinition(); |
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95 | G4double e = dp->GetKineticEnergy()*proton_mass_c2/p->GetPDGMass(); |
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96 | return theForward->GetCrossSection(e, p->GetBaryonNumber(), |
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97 | G4lrint(p->GetPDGCharge()/eplus) ); |
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98 | } |
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99 | |
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100 | void G4IonProtonCrossSection::BuildPhysicsTable(const G4ParticleDefinition&) |
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101 | {} |
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102 | |
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103 | void G4IonProtonCrossSection::DumpPhysicsTable(const G4ParticleDefinition&) |
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104 | { |
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105 | G4cout << "G4IonProtonCrossSection: " << GetName() << " uses formula" |
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106 | <<G4endl; |
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107 | } |
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108 | |
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