81-Tl-206
Spin
Level energy(keV) Spin & Parity
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ground state 0-
2.64330E+03 (12-)
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)
205.976110589 ± 0.000001473 (amu) [mass excess = -22252.843 ± 1.373 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
1532.219 ± 0.612 (keV)
Strong Gamma-rays from Decay of Tl-206 (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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363.3 1.E-04 B-
803.06 5.E-03 B-
1166.4 -- B-
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265.7 86. IT
453.3 92.88 IT
686.5 91.16 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
B- 4.202 M 11
IT 3.74 M 3
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Pb-206 (Z= 82, A=206), MT=103 (n,p)
Pb-207 (Z= 82, A=207), MT= 28 (n,np)
Bi-209 (Z= 83, A=209), MT=107 (n,α)