85-At-210
Spin
Level energy(keV) Spin & Parity
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ground state (5)+
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)
209.987147898 ± 0.000008276 (amu) [mass excess = -11971.655 ± 7.710 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
-2367.121 ± 8.915 (keV)
Strong Gamma-rays from Decay of At-210 (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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245.3 79.46 EC
1181.4 99.33 EC
1483.3 46.48 EC
82.80 0.01 Alpha
106. 4.E-03 Alpha
167. 3.E-03 Alpha
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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
A 8.1 H 4
EC 8.1 H 4
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0