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 G4ASCCrossSection_h |
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27 | #define G4ASCCrossSection_h |
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28 | |
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29 | #include "globals.hh" |
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30 | #include "G4VAnnihilationCrossSection.hh" |
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31 | |
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32 | class G4ASCCrossSection : public G4VAnnihilationCrossSection |
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33 | { |
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34 | public: |
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35 | G4ASCCrossSection(G4int, G4int, G4double, G4double, G4double, G4double); |
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36 | G4bool InCharge(G4int aCode, G4int bCode); |
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37 | G4double GetXsec(G4double s); |
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38 | private: |
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39 | |
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40 | G4int theCode1; |
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41 | G4int theCode2; |
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42 | G4double theX; |
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43 | G4double theY; |
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44 | G4double theEta; |
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45 | G4double theEps; |
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46 | }; |
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47 | |
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48 | |
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49 | inline G4bool G4ASCCrossSection:: |
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50 | InCharge(G4int aCode, G4int bCode) |
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51 | { |
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52 | G4bool result; |
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53 | result = (aCode==theCode1&&bCode==theCode2)||(aCode==theCode2&&bCode==theCode1); |
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54 | return result; |
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55 | } |
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56 | |
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57 | inline G4double G4ASCCrossSection:: |
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58 | GetXsec(G4double s) |
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59 | { |
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60 | G4double result = theX*std::pow(s, theEps) + theY*std::pow(s, -theEta); |
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61 | return result; |
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62 | } |
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63 | |
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64 | #endif |
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