82-Pb-203
Spin
Level energy(keV) Spin & Parity
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ground state 5/2-
8.25300E+02 13/2+
2.94911E+03 29/2-
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)
202.973391126 ± 0.000007055 (amu) [mass excess = -24786.006 ± 6.572 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
-3261.769 ± 14.362 (keV)
Strong Gamma-rays from Decay of Pb-203 (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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279.20 80.9 EC
401.32 3.35 EC
680.51 0.75 EC
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258.4 83. IT
825.1 71.6 IT
838.5 100. IT
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5.3 -- IT
820.0 6.73 IT
825.3 71.6 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 51.92 H 3
IT 480 MS 7
IT 6.21 S 11
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Pb-204 (Z= 82, A=204), MT= 16 (n,2n)