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 | // |
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27 | // $Id: G4PartonStringAnnihilator.hh,v 1.2 2006/06/29 20:56:11 gunter Exp $ |
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28 | // ----------------------------------------------------------------------------- |
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29 | // GEANT 4 class implementation file |
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30 | // |
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31 | // History: first implementation, Maxim Komogorov, 9-Oct-1998 |
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32 | // ----------------------------------------------------------------------------- |
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33 | #ifndef G4PartonStringAnnihilator_h |
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34 | #define G4PartonStringAnnihilator_h 1 |
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35 | |
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36 | #include "G4KineticTrack.hh" |
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37 | #include "G4ExcitedString.hh" |
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38 | #include "G4MesonSplitter.hh" |
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39 | #include "G4BaryonSplitter.hh" |
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40 | |
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41 | |
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42 | class G4PartonStringAnnihilator |
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43 | { |
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44 | public: |
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45 | G4PartonStringAnnihilator(); |
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46 | |
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47 | public: |
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48 | |
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49 | G4double GetCrossSection(G4KineticTrack& aTarget, G4KineticTrack& aProjectile); |
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50 | G4ExcitedString* GetString(G4KineticTrack& Target, G4KineticTrack& Projectile); |
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51 | |
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52 | G4bool SplitUpBarion(G4int Encoding, G4int* q_or_qqbar, G4int* qbar_or_qq); //! |
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53 | |
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54 | G4bool isMeson(G4int Encoding); |
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55 | G4bool isBarion(G4int Encoding); |
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56 | G4bool isAntiParticle(G4int Encoding); |
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57 | |
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58 | private: |
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59 | G4bool GetStringEnds(G4int Projectile, G4int Target, G4int* Left, G4int* Right); |
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60 | G4bool FindDiquark(G4int Encoding, G4int Quark, G4int* Diquark); |
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61 | G4bool FindQuark(G4int Encoding, G4int Diquark, G4int* Quark); |
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62 | |
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63 | private: |
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64 | |
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65 | G4double widthOfPtSquare; |
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66 | G4MesonSplitter theMesonSplitter; |
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67 | G4BaryonSplitter theBaryonSplitter; |
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68 | }; |
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69 | |
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70 | // ************************************************************************************************* |
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71 | #endif |
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