G4QDiffractionRatio.hh

Go to the documentation of this file.
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 // GEANT4 tag $Name: not supported by cvs2svn $
00028 //
00029 //
00030 // GEANT4 physics class: G4QDiffractionRatio -- header file
00031 // M.V. Kossov, ITEP(Moscow), 24-OCT-01
00032 // The last update: M.V. Kossov, CERN/ITEP (Moscow) 10-Nov-2009
00033 //
00034 // --------------------------------------------------------------------
00035 // Short description: Difraction excitation is a part of the incoherent
00036 // (inelastic) interaction. This part is calculated in the class.
00037 // --------------------------------------------------------------------
00038 
00039 #ifndef G4QDiffractionRatio_h
00040 #define G4QDiffractionRatio_h 1
00041 
00042 #include "globals.hh"
00043 #include "G4ios.hh"
00044 #include "Randomize.hh"
00045 #include <vector>
00046 #include "G4QPDGCode.hh"
00047 #include "G4QEnvironment.hh"
00048 #include "G4Quasmon.hh"
00049 #include "G4QHadronVector.hh"
00050 #include "G4RandomDirection.hh"
00051 
00052 
00053 class G4QDiffractionRatio
00054 {
00055  protected:
00056 
00057   G4QDiffractionRatio()  {}                 // Constructor
00058 
00059  public:
00060 
00061   ~G4QDiffractionRatio() {}                 // Destructor
00062 
00063   static G4QDiffractionRatio* GetPointer(); // Gives a pointer to this singletone
00064 
00065   // Diffraction/Prodaction Ratio (Production=Inelastic-QuasiElastic)
00066   G4double GetRatio(G4double pIU, G4int prPDG, G4int tgZ, G4int tgN);
00067 
00068   // ==> The following will be a protected function for internal CHIPS usage
00069   // ProjFragment(pPDG,p4M) on a nucleus (tgZ, tgN), result: Vector of secondary hadrons
00070   // Whoever uses this member function is responsible for DEL/DESTROY of G4QHadronVector
00071   G4QHadronVector* ProjFragment(G4int pPDG, G4LorentzVector p4M, G4int tgZ, G4int tgN);
00072 
00073   // ==> The following will be a protected function for internal CHIPS usage
00074   // TargFragment(pPDG,p4M) on a nucleus (tgZ, tgN), result: Vector of secondary hadrons
00075   // Whoever uses this member function is responsible for DEL/DESTROY of G4QHadronVector
00076   G4QHadronVector* TargFragment(G4int pPDG, G4LorentzVector p4M, G4int tgZ, G4int tgN);
00077 
00078   // Single Diffraction Target Excitation Cross-Section (independent Units)
00079   G4double GetTargSingDiffXS(G4double pIU, G4int prPDG, G4int tgZ, G4int tgN);
00080 
00081  private:
00082   // These working member functions are in CHIPS units and must not be used externally
00083   G4double CalcDiff2Prod_Ratio(G4double s, G4int A); // R=Diff/Prod (sqrt(s)(hN) in GeV, A)
00084 
00085  // Body
00086  private:
00087 };      
00088 #endif

Generated on Mon May 27 17:49:31 2013 for Geant4 by  doxygen 1.4.7