G4NucLevel.hh

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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 

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