82-Pb-199
Spin
Level energy(keV) Spin & Parity
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ground state 3/2-
4.24100E+02 (13/2+)
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)
198.972912680 ± 0.000010730 (amu) [mass excess = -25231.676 ± 9.996 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
-4434.219 ± 14.547 (keV)
Strong Gamma-rays from Decay of Pb-199 (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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332.2 * 20.3 EC
369.0 * 42.7 EC
381.98 * 43.4 EC
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353.39 9.46 EC
366.90 44.24 EC
1135.04 7.84 EC
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X -- IT
424.1 19.6 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 90 M 10
EC 12.2 M 3
IT 12.2 M 3
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0