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 #ifndef G4IonsShenCrossSection_h 00028 #define G4IonsShenCrossSection_h 00029 // 00030 // Class Description 00031 // Implementation of formulas 00032 // Shen et al. Nuc. Phys. A 491 130 (1989); 00033 // Total Reaction Cross Section for Heavy-Ion Collisions 00034 // 00035 // Class Description - End 00036 // 18-Sep-2003 First version is written by T. Koi 00037 // 12-Nov-2003 Set upper limit at 10 GeV/n 00038 // 12-Nov-2003 Insted of the lower limit, 00039 // 0 is returned to a partilce with energy lowae than 10 MeV/n 00040 // 15-Nov-2006 Change upper limit to 1 TeV/n 00041 // However above 10GeV/n XS become constant. 00042 // 23-Dec-2006 Isotope dependence added by D. Wright 00043 // 19-Aug-2011 V.Ivanchenko move to new design and make x-section per element 00044 // 00045 00046 #include "globals.hh" 00047 #include "G4Proton.hh" 00048 00049 #include "G4VCrossSectionDataSet.hh" 00050 00051 class G4IonsShenCrossSection : public G4VCrossSectionDataSet 00052 { 00053 public: 00054 00055 G4IonsShenCrossSection(); 00056 00057 virtual ~G4IonsShenCrossSection(); 00058 00059 virtual 00060 G4bool IsElementApplicable(const G4DynamicParticle* aDP, 00061 G4int Z, const G4Material*); 00062 00063 virtual 00064 G4double GetElementCrossSection(const G4DynamicParticle*, 00065 G4int Z, const G4Material*); 00066 00067 virtual 00068 G4double GetIsoCrossSection(const G4DynamicParticle*, G4int Z, G4int A, 00069 const G4Isotope* iso = 0, 00070 const G4Element* elm = 0, 00071 const G4Material* mat = 0); 00072 00073 virtual void CrossSectionDescription(std::ostream&) const; 00074 00075 private: 00076 const G4double upperLimit; 00077 const G4double lowerLimit; 00078 const G4double r0; 00079 00080 G4double calEcmValue(const G4double, const G4double, const G4double); 00081 G4double calCeValue(const G4double); 00082 }; 00083 00084 #endif