12-Mg-20


Spin 
     Level energy(keV)   Spin & Parity       
     ----------------------------------------
       ground state      0+
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) 
     20.018850004 ± 0.000028985 (amu)  [mass excess = 17558.667 ± 27.000 (keV) ]
Decay data(Chart of the Nuclides 2014) 
     Decay mode     Half-life 
       B+           90.8 MS 24
Evaluated Data Libraries 
     Links to the libraries.

Parent Nuclides by Reactions in JENDL-4.0