89-Ac-209



Spin
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       ground state      (9/2-)                
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)
     209.009494762 ± 0.000054330 (amu)  [mass excess = 8844.314 ± 50.608 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
     -7692.475 ± 100.172 (keV) 
Decay data(Chart of the Nuclides 2014)
     Decay mode     Half-life 
       A            98 MS +59-27     
Evaluated Data Libraries
     Links to the libraries. 

Parent Nuclides by Reactions in JENDL-4.0