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 // $Id: G4UAtomicDeexcitation.cc,v 1.11 00027 // GEANT4 tag $Name: not supported by cvs2svn $ 00028 // 00029 // ------------------------------------------------------------------- 00030 // 00031 // GEANT4 Class file 00032 // 00033 // 00034 // File name: G4VhShellCrossSection 00035 // 00036 // Author: V.Ivanchenko (Vladimir.Ivanchenko@cern.ch) 00037 // 00038 // History: 00039 // ----------- 00040 // 20 Oct 2001 V.Ivanchenko 1st implementation 00041 // 24 Oct 2001 MGP Minor clean-up 00042 // 29 Oct 2001 VI Add delta energy 00043 // 00044 // ------------------------------------------------------------------- 00045 00046 #include "G4VhShellCrossSection.hh" 00047 #include "Randomize.hh" 00048 00049 G4VhShellCrossSection::G4VhShellCrossSection(const G4String& xname):name(xname) 00050 {} 00051 00052 G4VhShellCrossSection::~G4VhShellCrossSection() 00053 {} 00054 00055 void G4VhShellCrossSection :: SetTotalCS(G4double) 00056 {} 00057 00058 G4int G4VhShellCrossSection::SelectRandomShell(G4int Z, 00059 G4double incidentEnergy, 00060 G4double mass, 00061 G4double deltaEnergy, 00062 const G4Material* mat) 00063 // returns the shell ionized if the shell exists. If the shell is not counted, it returns -1 00064 00065 { 00066 std::vector<G4double> p = Probabilities(Z,incidentEnergy,mass,deltaEnergy,mat); 00067 G4int shell = -1; 00068 size_t nShells = p.size(); 00069 G4double q = G4UniformRand(); 00070 for (size_t i=0; i<nShells; i++) { 00071 00072 if (p[i] >= q) { 00073 shell = i; 00074 break; 00075 } 00076 q -= p[i]; 00077 } 00078 return shell; 00079 } 00080 00081