74-W-185



Spin
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       ground state      3/2-                  
       1.97430E+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)
     184.953418974 ± 0.000000993 (amu)  [mass excess = -43389.946 ± 0.925 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     432.668 ± 0.860 (keV) 
Strong Gamma-rays from Decay of W-185 (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 
  ----------------------------------------------------------
         65.86            5.8          IT 
        131.55            4.33         IT 
        173.68            3.26         IT 
  ----------------------------------------------------------
        125.36            0.02         B- 
  ----------------------------------------------------------
     *: 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 
       B-           75.1 D 3         
       IT           1.67 M 3         
Evaluated Data Libraries
     Links to the libraries. 

Parent Nuclides by Reactions in JENDL-4.0
     W -184 (Z= 74, A=184), MT=102 (n,γ)
     W -186 (Z= 74, A=186), MT= 16 (n,2n)
     Os-187 (Z= 76, A=187), MT=106 (n,3He)
     Os-188 (Z= 76, A=188), MT=107 (n,α)
     Os-189 (Z= 76, A=189), MT= 22 (n,nα)
     Os-190 (Z= 76, A=190), MT= 24 (n,2nα)