26-Fe-53
Spin
Level energy(keV) Spin & Parity
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ground state 7/2-
3.04040E+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)
52.945306428 ± 0.000001832 (amu) [mass excess = -50946.734 ± 1.707 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
-8288.106 ± 0.443 (keV)
Strong Gamma-rays from Decay of Fe- 53 (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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377.9 42. EC
1619.9 0.5 EC
2273.5 0.38 EC
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701.1 100. IT
1011.5 86. IT
1328.1 87. 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
EC 8.51 M 2
IT 2.54 M 2
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Fe- 54 (Z= 26, A= 54), MT= 16 (n,2n)