81-Tl-186



Spin
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       ground state      (7+)                  
       3.74000E+02       (10-)                 
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)
     185.978650841 ± 0.000024000 (amu)  [mass excess = -19886.613 ± 22.356 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     -5204.713 ± 25.079 (keV) 
Strong Gamma-rays from Decay of Tl-186 (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 
  ----------------------------------------------------------
        374.0            79.81         IT 
  ----------------------------------------------------------
        356.77         * 32.           EC 
        402.67         * 50.           EC 
        405.35         *100.           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            27.5 S 10        
       EC           27.5 S 10        
       IT           2.9 S 2          
Evaluated Data Libraries
     Links to the libraries. 

Parent Nuclides by Reactions in JENDL-4.0