81-Tl-207
Spin
Level energy(keV) Spin & Parity
----------------------------------------
ground state 1/2+
1.35000E+03 11/2-
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)
206.977419712 ± 0.000005897 (amu) [mass excess = -21033.402 ± 5.494 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
1418.121 ± 5.427 (keV)
Strong Gamma-rays from Decay of Tl-207 (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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351.07 * 80.5 IT
997.1 * 87.26 IT
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328.10 1.E-03 B-
569.70 2.E-03 B-
897.77 0.26 B-
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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- 4.77 M 3
IT 1.33 S 11
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Pb-207 (Z= 82, A=207), MT=103 (n,p)
Pb-208 (Z= 82, A=208), MT= 28 (n,np)