| 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 G4QPartonPair_h |
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| 27 | #define G4QPartonPair_h 1 |
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| 28 | // |
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| 29 | // $Id: G4QPartonPair.hh,v 1.2 2009/02/23 09:49:24 mkossov Exp $ |
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| 30 | // GEANT4 tag $Name: hadr-chips-V09-03-08 $ |
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| 31 | // |
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| 32 | // ------------------------------------------------------------ |
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| 33 | // GEANT 4 class implementation file |
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| 34 | // |
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| 35 | // ---------------- G4QParton ---------------- |
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| 36 | // by Mikhail Kossov, Oct 2006. |
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| 37 | // class for PartonPair (hadron) used by Parton String Models |
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| 38 | // ------------------------------------------------------------ |
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| 39 | // Short description: Each Quasmon String has a pair of partons |
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| 40 | // (quark/diquark-partons) on its ends. During the hadronization |
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| 41 | // procedure the rapidity gap between partons shrinks, but the |
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| 42 | // parton pair still exists, while it is converted to the final |
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| 43 | // meson (quaek-antiquark) or baryon (quark-diquark). |
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| 44 | // -------------------------------------------------------------- |
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| 45 | // |
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| 46 | #include "globals.hh" |
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| 47 | #include "G4ThreeVector.hh" |
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| 48 | #include "G4LorentzVector.hh" |
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| 49 | #include "G4QParton.hh" |
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| 50 | |
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| 51 | class G4QPartonPair |
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| 52 | { |
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| 53 | public: |
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| 54 | enum { DIFFRACTIVE = 1, SOFT = 2, HARD = 3}; |
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| 55 | enum { PROJECTILE = 1, TARGET = -1}; |
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| 56 | public: |
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| 57 | G4QPartonPair(G4QParton* P1, G4QParton* P2, G4int Type=0, G4int Direction=0); |
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| 58 | ~G4QPartonPair(); |
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| 59 | G4int operator==(const G4QPartonPair &right) const |
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| 60 | { |
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| 61 | return (CollisionType == right.CollisionType && |
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| 62 | *Parton1 == *right.Parton1 && *Parton2 == *right.Parton2) ? 1: 0; |
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| 63 | } |
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| 64 | G4int operator!=(const G4QPartonPair &right) const |
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| 65 | { |
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| 66 | return (CollisionType == right.CollisionType && |
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| 67 | *Parton1 == *right.Parton1 && *Parton2 == *right.Parton2) ? 0: 1; |
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| 68 | } |
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| 69 | // Modifiers |
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| 70 | void SetPartons(G4QParton* P1, G4QParton* P2) {Parton1=P1; Parton2=P2;} |
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| 71 | void SetCollisionType(G4int Type) {CollisionType = Type;} |
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| 72 | // Selectors |
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| 73 | G4int GetCollisionType() {return CollisionType;} |
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| 74 | G4QParton* GetParton1() {return Parton1;} |
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| 75 | G4QParton* GetParton2() {return Parton2;} |
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| 76 | G4int GetDirection() {return Direction;} |
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| 77 | |
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| 78 | private: |
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| 79 | // Body |
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| 80 | G4QParton* Parton1; |
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| 81 | G4QParton* Parton2; |
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| 82 | G4int CollisionType; |
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| 83 | G4int Direction; |
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| 84 | }; |
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| 85 | |
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| 86 | #endif |
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