61-Pm-140
Spin
Level energy(keV) Spin & Parity
----------------------------------------
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)
139.916039639 ± 0.000037997 (amu) [mass excess = -78208.572 ± 35.394 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
-2752.638 ± 37.536 (keV)
Strong Gamma-rays from Decay of Pm-140 (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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419.57 92. EC
773.74 100. EC
1028.19 100. EC
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477.1 2.56 EC
773.8 5.02 EC
1204.8 1.86 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 5.95 M 5
EC 9.2 S 2
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0