87-Fr-201
Spin
Level energy(keV) Spin & Parity
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ground state (9/2-)
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)
201.003866593 ± 0.000076610 (amu) [mass excess = 3601.709 ± 71.362 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
-8239 ± 128 (keV) [derived from systematical trend]
Decay data(Chart of the Nuclides 2014)
Decay mode Half-life
A 69 MS +16-11
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0