56-Ba-131
Spin
Level energy(keV) Spin & Parity
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ground state 1/2+
1.87500E+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)
130.906940977 ± 0.000002784 (amu) [mass excess = -86683.922 ± 2.593 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
-2914.666 ± 28.065 (keV)
Strong Gamma-rays from Decay of Ba-131 (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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79.05 1.33 IT
108.45 55.44 IT
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123.80 29.76 EC
216.09 20.35 EC
496.32 48. 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 11.50 D 6
IT 14.6 M 2
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Ba-130 (Z= 56, A=130), MT=102 (n,γ)
Ba-132 (Z= 56, A=132), MT= 16 (n,2n)
Fission Yields for Fission Products in JENDL-4.0 Fission Yield Data
- Neutron-induced Fission Yields (from main actinide nuclides) - Independent Fission Yield -
Product Nuclide Energy Fission Yield Uncertainty(1σ)
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Ba-131 U-235 High 9.843500e-13 6.299840e-13
Ba-131 Pu-239 High 1.310850e-10 8.389440e-11
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Thermal=0.0253eV, Fast=500keV(Fast reactor spectrum), High=14MeV
- Neutron-induced Fission Yields (from main actinide nuclides) - Cumulative Fission Yield -
Product Nuclide Energy Fission Yield Uncertainty(1σ)
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Ba-131 U-235 High 9.843500e-13 6.290510e-13
Ba-131 Pu-239 High 1.310850e-10 8.384000e-11
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Thermal=0.0253eV, Fast=500keV(Fast reactor spectrum), High=14MeV
→ Neutron-induced and Spontaneous Fission Yields of all nuclides in JENDL-4.0 Fission Yield Data