63-Eu-142
Spin
Level energy(keV) Spin & Parity
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ground state 1+
ground state(+X) 8-
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)
141.923441690 ± 0.000032403 (amu) [mass excess = -71313.606 ± 30.183 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
-4354.091 ± 41.133 (keV)
Strong Gamma-rays from Decay of Eu-142 (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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556.6 86.6 EC
768.0 100. EC
1023.3 92. EC
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768.1 10.2 EC
1657.9 1.75 EC
1754.1 1.49 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 2.34 S 12
EC 1.223 M 8
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0