79-Au-187
Spin
Level energy(keV) Spin & Parity
----------------------------------------
ground state 1/2+
1.20600E+02 9/2-
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)
186.964543155 ± 0.000023948 (amu) [mass excess = -33027.838 ± 22.308 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
-4910.159 ± 26.288 (keV)
Strong Gamma-rays from Decay of Au-187 (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
----------------------------------------------------------
19.5 -- IT
101.1 0.83 IT
----------------------------------------------------------
914.6 3.89 EC
1331.9 9. EC
1408.1 3.93 EC
----------------------------------------------------------
*: 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
EC 8.3 M 2
IT 2.3 S 1
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0