57-La-126
Spin
Level energy(keV) Spin & Parity
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ground state(+X) 5+
2.10000E+02 0-,1,2-
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)
125.919512667 ± 0.000097163 (amu) [mass excess = -74973.468 ± 90.508 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
-4152.910 ± 94.723 (keV)
Strong Gamma-rays from Decay of La-126 (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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255.93 *100. EC
455.0 * 56.8 EC
1227.8 * 8.9 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
EC 50 S LT
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0