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 // $Id$ 00027 // 00028 // ------------------------------------------------------------------- 00029 // 00030 // GEANT4 header file 00031 // 00032 // File name: G4NucLevel 00033 // 00034 // Author: V.Ivanchenko 00035 // 00036 // Creation date: 4 January 2012 00037 // 00038 // Modifications: 00039 // 00040 // ------------------------------------------------------------------- 00041 // 00042 // Container class keeping information about gamma transition 00043 // and for a given nuclear level 00044 // 00045 00046 #ifndef G4NUCLEVEL_HH 00047 #define G4NUCLEVEL_HH 1 00048 00049 #include "globals.hh" 00050 #include "Randomize.hh" 00051 #include <vector> 00052 00053 class G4NucLevel 00054 { 00055 public: 00056 00057 G4NucLevel(G4double energy, G4double halfLife, 00058 const std::vector<G4double>& eGamma, 00059 const std::vector<G4double>& wGamma); 00060 00061 ~G4NucLevel(); 00062 00063 inline G4double LevelEnergy() const; 00064 00065 inline G4double LevelHalfLife() const; 00066 00067 inline G4double SampleEnergy() const; 00068 00069 private: 00070 00071 G4NucLevel(const G4NucLevel &right); 00072 G4bool operator==(const G4NucLevel &right) const; 00073 G4bool operator!=(const G4NucLevel &right) const; 00074 G4bool operator<(const G4NucLevel &right) const; 00075 const G4NucLevel& operator=(const G4NucLevel &right); 00076 00077 std::vector<G4double> fTransitionEnergy; 00078 std::vector<G4double> fCumProbability; 00079 00080 G4double fEnergy; 00081 G4double fHalfLifeTime; 00082 size_t nTransitions; 00083 }; 00084 00085 inline G4double G4NucLevel::LevelEnergy() const 00086 { 00087 return fEnergy; 00088 } 00089 00090 inline G4double G4NucLevel::LevelHalfLife() const 00091 { 00092 return fHalfLifeTime; 00093 } 00094 00095 inline G4double G4NucLevel::SampleEnergy() const 00096 { 00097 G4double e = 0.0; 00098 G4double x = G4UniformRand(); 00099 for(size_t i=0; i<nTransitions; ++i) { 00100 if(x < fCumProbability[i]) { 00101 e = fTransitionEnergy[i]; 00102 break; 00103 } 00104 } 00105 return e; 00106 } 00107 00108 00109 #endif 00110 00111 00112 00113 00114 00115