57-La-132
Spin
Level energy(keV) Spin & Parity
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ground state 2-
1.88200E+02 6-
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)
131.910118979 ± 0.000039032 (amu) [mass excess = -83723.632 ± 36.359 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
-1252.669 ± 41.723 (keV)
Strong Gamma-rays from Decay of La-132 (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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52.8 0.04 IT
135.8 49.4 IT
188.5 ~ 0.3 IT
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2391.4 *100. EC
2412.1 *100. EC
2453.0 *100. EC
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285.4 7.13 EC
464.55 21.6 EC
663.07 11.23 EC
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464.55 76. EC
567.14 15.73 EC
1909.91 9.04 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 24.3 M 5
EC 24.3 M 5
EC 4.8 H 2
IT 24.3 M 5
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0