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 | // GEANT4 tag $Name: geant4-09-03-cand-01 $ |
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28 | // |
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29 | // |
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30 | // GEANT4 physics class: G4QDiffractionRatio -- header file |
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31 | // M.V. Kossov, ITEP(Moscow), 24-OCT-01 |
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32 | // The last update: M.V. Kossov, CERN/ITEP (Moscow) 10-Nov-2009 |
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33 | // |
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34 | //======================================================================= |
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35 | // Short description: Difraction excitation is a part of the incoherent |
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36 | // (inelastic) interaction. This part is calculated in the class. |
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37 | // -------------------------------------------------------------------- |
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38 | |
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39 | #ifndef G4QDiffractionRatio_h |
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40 | #define G4QDiffractionRatio_h 1 |
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41 | |
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42 | #include "globals.hh" |
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43 | #include "G4ios.hh" |
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44 | #include "Randomize.hh" |
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45 | #include <vector> |
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46 | #include "G4QPDGCode.hh" |
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47 | #include "G4QEnvironment.hh" |
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48 | #include "G4Quasmon.hh" |
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49 | #include "G4QHadronVector.hh" |
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50 | #include "G4RandomDirection.hh" |
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51 | |
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52 | |
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53 | class G4QDiffractionRatio |
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54 | { |
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55 | protected: |
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56 | |
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57 | G4QDiffractionRatio() {} // Constructor |
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58 | |
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59 | public: |
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60 | |
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61 | ~G4QDiffractionRatio() {} // Destructor |
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62 | |
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63 | static G4QDiffractionRatio* GetPointer(); // Gives a pointer to this singletone |
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64 | |
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65 | // Diffraction/Prodaction Ratio (Production=Inelastic-QuasiElastic) |
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66 | G4double GetRatio(G4double pIU, G4int prPDG, G4int tgZ, G4int tgN); |
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67 | |
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68 | // ==> The following will be a protected function for internal CHIPS usage |
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69 | // ProjFragment(pPDG,p4M) on a nucleus (tgZ, tgN), result: Vector of secondary hadrons |
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70 | // Whoever uses this member function is responsible for DEL/DESTROY of G4QHadronVector |
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71 | G4QHadronVector* ProjFragment(G4int pPDG, G4LorentzVector p4M, G4int tgZ, G4int tgN); |
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72 | |
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73 | // ==> The following will be a protected function for internal CHIPS usage |
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74 | // TargFragment(pPDG,p4M) on a nucleus (tgZ, tgN), result: Vector of secondary hadrons |
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75 | // Whoever uses this member function is responsible for DEL/DESTROY of G4QHadronVector |
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76 | G4QHadronVector* TargFragment(G4int pPDG, G4LorentzVector p4M, G4int tgZ, G4int tgN); |
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77 | |
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78 | // Single Diffraction Target Excitation Cross-Section (independent Units) |
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79 | G4double GetTargSingDiffXS(G4double pIU, G4int prPDG, G4int tgZ, G4int tgN); |
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80 | |
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81 | private: |
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82 | // These working member functions are in CHIPS units and must not be used externally |
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83 | G4double CalcDiff2Prod_Ratio(G4double s, G4int A); // R=Diff/Prod (sqrt(s)(hN) in GeV, A) |
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84 | |
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85 | // Body |
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86 | private: |
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87 | }; |
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88 | #endif |
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