54-Xe-140
Spin
Level energy(keV) Spin & Parity
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ground state 0+
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)
139.921645817 ± 0.000002500 (amu) [mass excess = -72986.451 ± 2.329 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
4063.879 ± 8.526 (keV)
Strong Gamma-rays from Decay of Xe-140 (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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805.52 20. B-
1315.05 8.2 B-
1413.66 12.2 B-
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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
B- 13.60 S 10
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
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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Xe-140 U-235 Thermal 3.500430e-02 9.801210e-04
Xe-140 U-235 Fast 2.582150e-02 1.032870e-03
Xe-140 U-235 High 9.139120e-03 5.483470e-04
Xe-140 U-238 Fast 4.038890e-02 4.442780e-03
Xe-140 U-238 High 2.401140e-02 1.440680e-03
Xe-140 Pu-239 Thermal 1.540250e-02 4.312690e-04
Xe-140 Pu-239 Fast 1.618910e-02 5.180500e-03
Xe-140 Pu-239 High 4.035030e-03 2.582410e-03
Xe-140 Pu-241 Thermal 3.100620e-02 1.240250e-03
Xe-140 Pu-241 Fast 3.145300e-02 1.006490e-02
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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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Xe-140 U-235 Thermal 3.647240e-02 7.337460e-04
Xe-140 U-235 Fast 2.687280e-02 7.561380e-04
Xe-140 U-235 High 9.358490e-03 3.740430e-04
Xe-140 U-238 Fast 4.898350e-02 2.938680e-03
Xe-140 U-238 High 2.739390e-02 1.095030e-03
Xe-140 Pu-239 Thermal 1.595750e-02 3.192210e-04
Xe-140 Pu-239 Fast 1.648570e-02 3.792330e-03
Xe-140 Pu-239 High 4.143910e-03 2.650460e-03
Xe-140 Pu-241 Thermal 3.298220e-02 9.234160e-04
Xe-140 Pu-241 Fast 3.320420e-02 7.643150e-03
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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