| 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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