83-Bi-212
Spin
Level energy(keV) Spin & Parity
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ground state 1(-)
2.50000E+02 (9-)
1.91000E+03 16 GT
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)
211.991286026 ± 0.000002122 (amu) [mass excess = -8117.014 ± 1.977 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
2252.026 ± 1.714 (keV)
Strong Gamma-rays from Decay of Bi-212 (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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275. -- B-
404. -- B-
727. -- B-
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39.86 1.06 Alpha
288.20 0.34 Alpha
452.98 0.36 Alpha
727.33 6.67 B-
785.37 1.1 B-
1620.50 1.47 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
A 25.0 M 2
A 60.55 M 6
B- 60.55 M 6
B- 7.0 M 3
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0