61-Pm-136
Spin
Level energy(keV) Spin & Parity
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ground state(+X) (2+)
ground state(+Y) (5-)
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)
135.923584586 ± 0.000076616 (amu) [mass excess = -71180.500 ± 71.368 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
-4369.611 ± 72.454 (keV)
Strong Gamma-rays from Decay of Pm-136 (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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373.8 *1000. EC
602.7 *384. EC
857.2 *234. EC
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373.5 89.76 EC
602.7 49.74 EC
858.0 31.42 EC
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373.7 *100. EC
488.6 * 22. EC
862.2 * 28. 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 107 S 6
EC 107 S 6
EC 47 S 2
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0