58-Ce-138
Spin
Level energy(keV) Spin & Parity
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ground state 0+
2.12917E+03 7-
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)
137.905991089 ± 0.000010612 (amu) [mass excess = -87568.736 ± 9.886 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
-4437.000 ± 10.000 (keV)
Strong Gamma-rays from Decay of Ce-138 (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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302.9 84.5 IT
789.2 99.66 IT
1037.6 99.81 IT
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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
IT 8.65 MS 20
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Ce-140 (Z= 58, A=140), MT= 17 (n,3n)
Pr-141 (Z= 59, A=141), MT= 33 (n,nt)
Nd-142 (Z= 60, A=142), MT= 22 (n,nα)
Nd-143 (Z= 60, A=143), MT= 24 (n,2nα)
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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Ce-138 U-235 Thermal 4.742440e-12 3.035170e-12
Ce-138 U-235 Fast 1.197530e-12 7.664170e-13
Ce-138 U-235 High 5.257210e-09 3.364610e-09
Ce-138 U-238 High 3.243530e-12 2.075860e-12
Ce-138 Pu-239 Thermal 7.708780e-11 4.933620e-11
Ce-138 Pu-239 Fast 6.688910e-11 4.280900e-11
Ce-138 Pu-239 High 1.621050e-07 1.037470e-07
Ce-138 Pu-241 Thermal 9.681560e-14 6.196200e-14
Ce-138 Pu-241 Fast 1.478890e-13 9.464880e-14
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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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Ce-138 U-235 Thermal 1.066830e-07 1.182370e-08
Ce-138 U-235 Fast 3.276080e-08 3.654130e-09
Ce-138 U-235 High 2.491700e-06 1.446440e-06
Ce-138 U-238 Fast 5.915800e-11 6.257710e-12
Ce-138 U-238 High 1.460150e-08 8.472760e-09
Ce-138 Pu-239 Thermal 2.070200e-07 1.204300e-07
Ce-138 Pu-239 Fast 1.811420e-07 1.054310e-07
Ce-138 Pu-239 High 2.127320e-05 1.237070e-05
Ce-138 Pu-241 Thermal 2.527220e-09 1.466440e-09
Ce-138 Pu-241 Fast 2.491390e-09 1.450940e-09
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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