include/Geant4/G4QuarkExchange.hh

0001 //
0002 // ********************************************************************
0003 // * License and Disclaimer                                           *
0004 // *                                                                  *
0005 // * The  Geant4 software  is  copyright of the Copyright Holders  of *
0006 // * the Geant4 Collaboration.  It is provided  under  the terms  and *
0007 // * conditions of the Geant4 Software License,  included in the file *
0008 // * LICENSE and available at  http://cern.ch/geant4/license .  These *
0009 // * include a list of copyright holders.                             *
0010 // *                                                                  *
0011 // * Neither the authors of this software system, nor their employing *
0012 // * institutes,nor the agencies providing financial support for this *
0013 // * work  make  any representation or  warranty, express or implied, *
0014 // * regarding  this  software system or assume any liability for its *
0015 // * use.  Please see the license in the file  LICENSE  and URL above *
0016 // * for the full disclaimer and the limitation of liability.         *
0017 // *                                                                  *
0018 // * This  code  implementation is the result of  the  scientific and *
0019 // * technical work of the GEANT4 collaboration.                      *
0020 // * By using,  copying,  modifying or  distributing the software (or *
0021 // * any work based  on the software)  you  agree  to acknowledge its *
0022 // * use  in  resulting  scientific  publications,  and indicate your *
0023 // * acceptance of all terms of the Geant4 Software license.          *
0024 // ********************************************************************
0025 //
0026 //
0027
0028 #ifndef G4QuarkExchange_h
0029 #define G4QuarkExchange_h 1
0030 // ------------------------------------------------------------
0031 //      GEANT 4 class header file
0032 //
0033 //      ---------------- G4QuarkExchange --------------
0034 //             by V. Uzhinsky, October 2016.
0035 //       QuarkExchange is used by strings models.
0036 //      Take a projectile and a target.
0037 //Simulate Q exchange with excitation of projectile or target.
0038 // ------------------------------------------------------------
0039
0040 //#include "G4SystemOfUnits.hh"
0041 #include "globals.hh"
0042 #include "G4ThreeVector.hh"
0043 //#include "G4QGSDiffractiveExcitation.hh"
0044
0045 class G4VSplitableHadron;
0046 class G4ExcitedString;
0047
0048 class G4QuarkExchange
0049 {
0050   public:
0051     G4QuarkExchange();
0052     ~G4QuarkExchange();
0053
0054     G4bool ExciteParticipants (G4VSplitableHadron *aPartner, G4VSplitableHadron * bPartner) const;
0055
0056   private:
0057     G4QuarkExchange(const G4QuarkExchange &right);
0058
0059     G4ThreeVector GaussianPt(G4double widthSquare, G4double maxPtSquare) const;
0060
0061     const G4QuarkExchange & operator=(const G4QuarkExchange &right);
0062     G4bool operator==(const G4QuarkExchange &right) const;
0063     G4bool operator!=(const G4QuarkExchange &right) const;
0064
0065        G4double StrangeSuppress;     // Uzhi June 2020
0066 };
0067
0068 #endif