85-At-197


Spin 
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       ground state      (9/2-)                
       5.20000E+01       (1/2+)
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) 
     196.993189187 ± 0.000054661 (amu)  [mass excess = -6344.231 ± 50.917 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012) 
     -7820.295 ± 62.007 (keV)
Decay data(Chart of the Nuclides 2014) 
     Decay mode     Half-life 
       A            2.0 S 2          
       A            0.388 S 6
Evaluated Data Libraries 
     Links to the libraries.

Parent Nuclides by Reactions in JENDL-4.0