66-Dy-155
Spin
Level energy(keV) Spin & Parity
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ground state 3/2-
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)
154.925759086 ± 0.000010432 (amu) [mass excess = -69154.966 ± 9.718 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
-3115.813 ± 16.594 (keV)
Strong Gamma-rays from Decay of Dy-155 (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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184.56 3.37 EC
226.92 68.4 EC
1090.0 < 2.81 EC
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45.38 43.7 IT
47.37 13.4 IT
138.46 10.6 IT
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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 9.9 H 2
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Dy-154 (Z= 66, A=154), MT=102 (n,γ)
Dy-156 (Z= 66, A=156), MT= 16 (n,2n)