68-Er-161


Spin 
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       ground state      3/2-
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) 
     160.930004599 ± 0.000009604 (amu)  [mass excess = -65200.295 ± 8.947 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012) 
     -3301.587 ± 29.342 (keV)
Strong Gamma-rays from Decay of Er-161 (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 
  ----------------------------------------------------------
        211.15           12.2          EC 
        592.6             3.66         EC 
        826.6            64.05         EC 
  ----------------------------------------------------------
         45.54           21.39         IT 
        131.             14.88         IT 
        147.             22.32         IT 
  ----------------------------------------------------------
     *: 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           3.21 H 3
Evaluated Data Libraries 
     Links to the libraries.

Parent Nuclides by Reactions in JENDL-4.0 
     Er-162 (Z= 68, A=162), MT= 16 (n,2n)