39-Y-85
Spin
Level energy(keV) Spin & Parity
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ground state (1/2)-
1.98000E+01 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)
84.916433039 ± 0.000020360 (amu) [mass excess = -77842.123 ± 18.965 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
-4668.098 ± 20.031 (keV)
Strong Gamma-rays from Decay of Y- 85 (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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231.7 22.79 EC
767.3 3.62 EC
2123.8 4.97 EC
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231.65 84. B+
504.44 60. B+
913.89 9. B+
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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
B+ 2.68 H 5
EC 4.86 H 13
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0