82-Pb-187



Spin
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       ground state      (3/2-)                
       8.10000E+01       (13/2+)               
Mass (The Ame2012 atomic mass evaluation (II) by M.Wang, G.Audi, A.H.Wapstra, F.G.Kondev, M.MacCormick, X.Xu, and B.Pfeiffer Chinese Physics C36 p. 1603-2014, December 2012)
     186.983910895 ± 0.000005468 (amu)  [mass excess = -14986.905 ± 5.094 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     -8603.549 ± 11.227 (keV) 
Strong Gamma-rays from Decay of Pb-187 (Compiled from ENSDF as of March 2011)
  [ Intensities before May 23th of 2013 were values when total intensity of the decay mode was 100(%) and a branching ratio of each decay mode was not multiplied. ]
   γ-ray energy(keV)  Intensity(%)  Decay mode 
  ----------------------------------------------------------
        331.4          * 54.3          EC 
        343.5          * 67.88         EC 
        393.4          * 90.5          EC 
  ----------------------------------------------------------
        195.              --         Alpha
        208.0             --         Alpha
        275.5             --         Alpha
        299.5          *1320.          EC 
        493.6          * 35.2          EC 
        617.2          * 35.2          EC 
  ----------------------------------------------------------
     *: relative, ~ approximate, ? calculated or estimatted 
     >: greater than or equal to, <: less than or equal to  
  [ Intensities; total intensity of the nuclide is 100(%). ]
Decay data(Chart of the Nuclides 2014)
     Decay mode     Half-life 
       A            15.2 S 3         
       A            18.3 S 5         
       EC           15.2 S 3         
       EC           18.3 S 3         
Evaluated Data Libraries
     Links to the libraries. 

Parent Nuclides by Reactions in JENDL-4.0