89-Ac-222


Spin 
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       ground state      1-                    
       ground state(+X)
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) 
     222.017844181 ± 0.000005578 (amu)  [mass excess = 16621.748 ± 5.197 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012) 
     -581.568 ± 13.227 (keV)
Decay data(Chart of the Nuclides 2014) 
     Decay mode     Half-life 
       A            5.0 S 5          
       A            63 S 4
Evaluated Data Libraries 
     Links to the libraries.

Parent Nuclides by Reactions in JENDL-4.0 
     Ac-225 (Z= 89, A=225), MT= 37 (n,4n)