66-Dy-149
Spin
Level energy(keV) Spin & Parity
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ground state (7/2-)
2.66110E+03 (27/2-)
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)
148.927321692 ± 0.000010151 (amu) [mass excess = -67699.408 ± 9.456 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
-6036.970 ± 14.270 (keV)
Strong Gamma-rays from Decay of Dy-149 (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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290.6 0.84 EC
361.0 0.84 EC
786.5 0.84 EC
298.6 93.15 IT
1073.2 98.75 IT
1178.6 99.08 IT
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100.8 15.2 EC
789.4 11.8 EC
1776.3 11.1 EC
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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
EC 4.20 M 14
EC 0.490 S 15
IT 0.490 S 15
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0