62-Sm-158
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)
157.929951004 ± 0.000005251 (amu) [mass excess = -65250.220 ± 4.892 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
2004.946 ± 10.369 (keV)
Strong Gamma-rays from Decay of Sm-158 (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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189.4 15.16 B-
324.5 10.6 B-
363.6 12.4 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- 5.30 M 3
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Gd-160 (Z= 64, A=160), MT=106 (n,3He)
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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Sm-158 U-235 Thermal 2.394190e-05 1.532280e-05
Sm-158 U-235 Fast 4.064600e-05 2.601350e-05
Sm-158 U-235 High 1.244210e-04 7.962920e-05
Sm-158 U-238 Fast 4.258590e-05 2.725500e-05
Sm-158 U-238 High 1.674030e-04 1.071370e-04
Sm-158 Pu-239 Thermal 2.929530e-04 1.874910e-04
Sm-158 Pu-239 Fast 4.660150e-04 2.982490e-04
Sm-158 Pu-239 High 2.492920e-04 1.595460e-04
Sm-158 Pu-241 Thermal 4.132670e-04 2.644910e-04
Sm-158 Pu-241 Fast 6.759120e-04 4.325840e-04
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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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Sm-158 U-235 Thermal 3.150920e-05 1.009860e-05
Sm-158 U-235 Fast 6.342300e-05 2.859760e-05
Sm-158 U-235 High 1.507800e-04 9.635420e-05
Sm-158 U-238 Fast 1.841650e-04 8.284100e-05
Sm-158 U-238 High 4.124170e-04 1.853880e-04
Sm-158 Pu-239 Thermal 3.590050e-04 2.297630e-04
Sm-158 Pu-239 Fast 5.502630e-04 3.521690e-04
Sm-158 Pu-239 High 2.741330e-04 1.753340e-04
Sm-158 Pu-241 Thermal 9.047910e-04 4.070880e-04
Sm-158 Pu-241 Fast 1.076560e-03 4.848180e-04
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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