84-Po-207
Spin
Level energy(keV) Spin & Parity
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ground state 5/2-
1.38295E+03 19/2-
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)
206.981593762 ± 0.000007167 (amu) [mass excess = -17145.300 ± 6.676 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
-3918.395 ± 14.081 (keV)
Strong Gamma-rays from Decay of Po-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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268.08 44.51 IT
300.65 33.43 IT
814.41 98.91 IT
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742.72 28.42 EC
911.77 16.98 EC
992.39 59.24 EC
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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 5.80 H 2
EC 5.80 H 2
IT 2.79 S 8
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0