4-Be-8
Spin
Level energy(keV) Spin & Parity
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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)
8.005305102 ± 0.000000037 (amu) [mass excess = 4941.671 ± 0.035 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
-17979.906 ± 1.001 (keV)
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Be- 9 (Z= 4, A= 9), MT= 16 (n,2n)
B - 11 (Z= 5, A= 11), MT= 33 (n,nt)