62-Sm-139



Spin
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       ground state      1/2+                  
       4.57400E+02       11/2-                 
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)
     138.922296635 ± 0.000011684 (amu)  [mass excess = -72380.218 ± 10.884 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     -6982.177 ± 17.071 (keV) 
Strong Gamma-rays from Decay of Sm-139 (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 
  ----------------------------------------------------------
        188.7             2.51         EC 
        155.3            36.73         IT 
        190.1            37.47         IT 
        267.3            36.73         IT 
  ----------------------------------------------------------
        273.7            36.5          EC 
        306.7            28.47         EC 
        596.3             8.03         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 
       EC           10.7 S 6         
       EC           2.57 M 10        
       IT           10.7 S 6         
Evaluated Data Libraries
     Links to the libraries. 

Parent Nuclides by Reactions in JENDL-4.0