91-Pa-217
Spin
Level energy(keV) Spin & Parity
----------------------------------------
ground state
1.23000E+03 (23/2-)
1.85700E+03
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)
217.018325363 ± 0.000056154 (amu) [mass excess = 17069.966 ± 52.308 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
-5901 ± 113 (keV) [derived from systematical trend]
Strong Gamma-rays from Decay of Pa-217 (Compiled from ENSDF as of March 2011)
[ Intensities before May 23th of 2013 were values when total intensity of the decay mode was 100(%) and a branching ratio of each decay mode was not multiplied. ]
γ-ray energy(keV) Intensity(%) Decay mode
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616. -- Alpha
634. -- Alpha
817.6 -- Alpha
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468. -- Alpha
616. -- Alpha
634. -- Alpha
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*: relative, ~ approximate, ? calculated or estimatted
>: greater than or equal to, <: less than or equal to
[ Intensities; total intensity of the nuclide is 100(%). ]
Decay data(Chart of the Nuclides 2014)
Decay mode Half-life
A 1.2 MS 2
A 3.6 MS 8
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0