81-Tl-198
Spin
Level energy(keV) Spin & Parity
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ground state 2-
5.43500E+02 7+
7.42300E+02 (10-)
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)
197.970483065 ± 0.000085885 (amu) [mass excess = -27494.847 ± 80.001 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
-1444.758 ± 81.318 (keV)
Strong Gamma-rays from Decay of Tl-198 (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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411.8 81.75 EC
636.7 10.14 EC
675.8 10.9 EC
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411.8 59.1 EC
587.2 54.22 EC
636.7 59.1 EC
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198.8 20.6 IT
259.5 6.2 IT
282.8 61. IT
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259.6 2.77 IT
260.9 1.25 IT
282.8 27.12 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 5.3 H 5
EC 1.87 H 3
IT 32.1 MS 10
IT 1.87 H 3
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0