00001 // 00002 // ******************************************************************** 00003 // * License and Disclaimer * 00004 // * * 00005 // * The Geant4 software is copyright of the Copyright Holders of * 00006 // * the Geant4 Collaboration. It is provided under the terms and * 00007 // * conditions of the Geant4 Software License, included in the file * 00008 // * LICENSE and available at http://cern.ch/geant4/license . These * 00009 // * include a list of copyright holders. * 00010 // * * 00011 // * Neither the authors of this software system, nor their employing * 00012 // * institutes,nor the agencies providing financial support for this * 00013 // * work make any representation or warranty, express or implied, * 00014 // * regarding this software system or assume any liability for its * 00015 // * use. Please see the license in the file LICENSE and URL above * 00016 // * for the full disclaimer and the limitation of liability. * 00017 // * * 00018 // * This code implementation is the result of the scientific and * 00019 // * technical work of the GEANT4 collaboration. * 00020 // * By using, copying, modifying or distributing the software (or * 00021 // * any work based on the software) you agree to acknowledge its * 00022 // * use in resulting scientific publications, and indicate your * 00023 // * acceptance of all terms of the Geant4 Software license. * 00024 // ******************************************************************** 00025 // 00026 // 00027 // $Id$ 00028 00029 #ifndef G4QGSDiffractiveExcitation_h 00030 #define G4QGSDiffractiveExcitation_h 1 00031 // ------------------------------------------------------------ 00032 // GEANT 4 class header file 00033 // 00034 // ---------------- G4QGSDiffractiveExcitation -------------- 00035 // by Gunter Folger, October 1998. 00036 // diffractive Excitation used by strings models 00037 // Take a projectile and a target 00038 // excite the projectile and target 00039 // ------------------------------------------------------------ 00040 00041 // Modified: 00042 // 25-05-07 : G.Folger 00043 // move from management/G4DiffractiveExcitation to to qgsm/G4QGSDiffractiveExcitation 00044 // 00045 00046 #include "globals.hh" 00047 class G4VSplitableHadron; 00048 class G4ExcitedString; 00049 #include "G4ThreeVector.hh" 00050 00051 class G4QGSDiffractiveExcitation 00052 { 00053 00054 public: 00055 00056 G4QGSDiffractiveExcitation(); // Uzhi 00057 virtual ~G4QGSDiffractiveExcitation(); 00058 00059 virtual G4bool ExciteParticipants (G4VSplitableHadron *aPartner, G4VSplitableHadron * bPartner) const; 00060 virtual G4ExcitedString * String(G4VSplitableHadron * aHadron, G4bool isProjectile) const; 00061 00062 // void SetPtWidth(G4double aValue) { widthOfPtSquare = aValue*aValue; } 00063 // void SetExtraMass(G4double aValue) { minExtraMass = aValue; } 00064 // void SetMinimumMass(G4double aValue) { minmass = aValue; } 00065 00066 00067 private: 00068 00069 G4QGSDiffractiveExcitation(const G4QGSDiffractiveExcitation &right); 00070 00071 // G4double ChooseX(G4double Xmin, G4double Xmax) const; // Uzhi 00072 G4double ChooseP(G4double Pmin, G4double Pmax) const; // Uzhi 00073 00074 // G4ThreeVector GaussianPt(G4double widthSquare, G4double maxPtSquare) const; 00075 G4ThreeVector GaussianPt(G4double AveragePt2, G4double maxPtSquare) const; // Uzhi 00076 00077 const G4QGSDiffractiveExcitation & operator=(const G4QGSDiffractiveExcitation &right); 00078 int operator==(const G4QGSDiffractiveExcitation &right) const; 00079 int operator!=(const G4QGSDiffractiveExcitation &right) const; 00080 00081 private: 00082 // Model Parameters: 00083 /* // Uzhi 00084 const G4double widthOfPtSquare; // width^2 of pt for string excitation 00085 const G4double minExtraMass; // minimum excitation mass 00086 const G4double minmass; // mean pion transverse mass; used for Xmin 00087 */ // Uzhi 00088 }; 00089 00090 #endif