81-Tl-207



Spin
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       ground state      1/2+                  
       1.35000E+03       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)
     206.977419712 ± 0.000005897 (amu)  [mass excess = -21033.402 ± 5.494 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     1418.121 ± 5.427 (keV) 
Strong Gamma-rays from Decay of Tl-207 (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 
  ----------------------------------------------------------
        351.07         * 80.5          IT 
        997.1          * 87.26         IT 
  ----------------------------------------------------------
        328.10          1.E-03         B- 
        569.70          2.E-03         B- 
        897.77            0.26         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-           4.77 M 3         
       IT           1.33 S 11        
Evaluated Data Libraries
     Links to the libraries. 

Parent Nuclides by Reactions in JENDL-4.0
     Pb-207 (Z= 82, A=207), MT=103 (n,p)
     Pb-208 (Z= 82, A=208), MT= 28 (n,np)