73-Ta-159


Spin 
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       ground state      1/2+                  
       6.40000E+01       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) 
     158.963022556 ± 0.000021397 (amu)  [mass excess = -34444.267 ± 19.931 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012) 
     -8957 ± 299 (keV) [derived from systematical trend]
Decay data(Chart of the Nuclides 2014) 
     Decay mode     Half-life 
       A            1.04 S 9         
       A            518 MS 19
Evaluated Data Libraries 
     Links to the libraries.

Parent Nuclides by Reactions in JENDL-4.0