54-Xe-142
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)
141.929973098 ± 0.000002900 (amu) [mass excess = -65229.639 ± 2.701 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
5288.192 ± 7.838 (keV)
Strong Gamma-rays from Decay of Xe-142 (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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538.24 *769. B-
571.26 *1000. B-
657.05 *791. 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- 1.22 S 2
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-142 U-235 Thermal 4.335130e-03 2.601080e-04
Xe-142 U-235 Fast 5.655690e-03 3.619650e-03
Xe-142 U-235 High 9.100670e-04 5.824430e-04
Xe-142 U-238 Fast 1.527940e-02 4.889420e-03
Xe-142 U-238 High 4.826870e-03 2.896120e-04
Xe-142 Pu-239 Thermal 1.409540e-03 1.127630e-04
Xe-142 Pu-239 Fast 9.659640e-04 6.182170e-04
Xe-142 Pu-239 High 2.254060e-04 1.442600e-04
Xe-142 Pu-241 Thermal 5.461160e-03 6.007260e-04
Xe-142 Pu-241 Fast 5.295590e-03 3.389180e-03
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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-142 U-235 Thermal 4.386030e-03 2.636040e-04
Xe-142 U-235 Fast 5.675350e-03 2.559100e-03
Xe-142 U-235 High 9.163970e-04 5.855870e-04
Xe-142 U-238 Fast 1.564470e-02 3.596160e-03
Xe-142 U-238 High 4.933050e-03 1.971700e-04
Xe-142 Pu-239 Thermal 1.431050e-03 8.586250e-05
Xe-142 Pu-239 Fast 9.676780e-04 6.193140e-04
Xe-142 Pu-239 High 2.264690e-04 1.448380e-04
Xe-142 Pu-241 Thermal 5.537180e-03 4.428460e-04
Xe-142 Pu-241 Fast 5.323750e-03 2.397360e-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