64-Gd-141
Spin
Level energy(keV) Spin & Parity
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ground state 1/2+
3.77800E+02 11/2-
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)
140.932126000 ± 0.000021213 (amu) [mass excess = -63224.224 ± 19.760 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
-8683.387 ± 107.098 (keV)
Strong Gamma-rays from Decay of Gd-141 (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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223.9 10. EC
351.1 13.88 EC
574.9 7.91 EC
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215.8 54.39 EC
336.2 17.15 EC
525.9 17.15 EC
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113.2 1.21 IT
198.4 3.62 IT
258.2 3.09 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 14 S 4
EC 24.5 S 5
IT 24.5 S 9
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0