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 | #ifndef G4FTFCrossSection_h |
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27 | #define G4FTFCrossSection_h 1 |
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28 | // |
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29 | // $Id: G4FTFCrossSection.hh,v 1.2 2007/04/24 10:37:10 gunter Exp $ |
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30 | // GEANT4 tag $Name: geant4-09-01-patch-02 $ |
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31 | // |
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32 | #include "G4Proton.hh" |
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33 | class G4FTFCrossSection |
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34 | { |
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35 | |
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36 | public: |
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37 | G4FTFCrossSection(const G4ParticleDefinition * , G4double ); |
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38 | |
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39 | ~G4FTFCrossSection(); |
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40 | |
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41 | void SethNcmsEnergy(const G4double s); |
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42 | void SetTotalCrossSection(const G4double Xtotal); |
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43 | void SetElastisCrossSection(const G4double Xelastic); |
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44 | void SetInelasticCrossSection(const G4double Xinelastic); |
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45 | void SetSlope(const G4double Slope); |
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46 | void SetGamma0(const G4double Gamma0); |
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47 | |
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48 | G4double GetTotalCrossSection(); |
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49 | G4double GetElasticCrossSection(); |
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50 | G4double GetInelasticCrossSection(); |
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51 | |
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52 | G4double GetSlope(); |
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53 | |
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54 | G4double GetInelasticProbability(const G4double impactsquare); |
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55 | |
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56 | // private: |
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57 | |
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58 | G4FTFCrossSection(); |
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59 | |
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60 | G4double GammaElastic(const G4double impactsquare) {return (FTFGamma0 * std::exp(-FTFSlope * impactsquare));}; |
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61 | |
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62 | G4double FTFhNcmsEnergy; // Uzhi Initial hN CMS energy |
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63 | G4double FTFXtotal; |
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64 | G4double FTFXelastic; |
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65 | G4double FTFXinelastic; |
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66 | G4double FTFSlope; |
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67 | G4double FTFGamma0; |
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68 | |
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69 | }; |
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70 | |
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71 | inline void G4FTFCrossSection::SethNcmsEnergy(const G4double s) {FTFhNcmsEnergy = s;} |
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72 | inline void G4FTFCrossSection::SetTotalCrossSection(const G4double Xtotal) {FTFXtotal = Xtotal;} |
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73 | inline void G4FTFCrossSection::SetElastisCrossSection(const G4double Xelastic) {FTFXelastic = Xelastic;} |
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74 | inline void G4FTFCrossSection::SetInelasticCrossSection(const G4double Xinelastic) {FTFXinelastic = Xinelastic;} |
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75 | inline void G4FTFCrossSection::SetSlope(const G4double Slope) {FTFSlope = 12.84/Slope;} |
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76 | inline void G4FTFCrossSection::SetGamma0(const G4double Gamma0) {FTFGamma0 = Gamma0;} |
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77 | |
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78 | inline G4double G4FTFCrossSection::GetTotalCrossSection() {return FTFXtotal;} |
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79 | inline G4double G4FTFCrossSection::GetElasticCrossSection() {return FTFXelastic;} |
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80 | inline G4double G4FTFCrossSection::GetInelasticCrossSection() {return FTFXinelastic;} |
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81 | |
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82 | inline G4double G4FTFCrossSection::GetSlope() {return FTFSlope;} |
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83 | |
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84 | inline G4double G4FTFCrossSection::GetInelasticProbability( const G4double impactsquare) |
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85 | { |
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86 | G4double Gamma = GammaElastic(impactsquare); |
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87 | return 2 * Gamma - Gamma *Gamma; |
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88 | } |
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89 | |
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90 | #endif |
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