79-Au-199
Spin
Level energy(keV) Spin & Parity
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ground state 3/2+
5.48937E+02 (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)
198.968765282 ± 0.000000699 (amu) [mass excess = -29094.952 ± 0.652 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
451.438 ± 0.649 (keV)
Strong Gamma-rays from Decay of Au-199 (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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49.83 0.36 B-
158.38 40. B-
208.20 8.72 B-
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55.15 -- IT
493.77 97.4 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- 3.139 D 7
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Hg-199 (Z= 80, A=199), MT=103 (n,p)
Hg-200 (Z= 80, A=200), MT= 28 (n,np)
Hg-200 (Z= 80, A=200), MT=104 (n,d)