87-Fr-209
Spin
Level energy(keV) Spin & Parity
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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)
208.995954932 ± 0.000015775 (amu) [mass excess = -3767.956 ± 14.695 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
-5622.054 ± 52.510 (keV)
Decay data(Chart of the Nuclides 2014)
Decay mode Half-life
A 50.5 S 7
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0