62-Sm-159
Spin
Level energy(keV) Spin & Parity
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ground state 5/2-
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)
158.933217226 ± 0.000006370 (amu) [mass excess = -62207.753 ± 5.934 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
3835.109 ± 7.335 (keV)
Strong Gamma-rays from Decay of Sm-159 (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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189.79 46. B-
254.43 9.75 B-
861.97 18.22 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- 11.37 S 15
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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Sm-159 U-235 Thermal 7.408210e-06 4.741250e-06
Sm-159 U-235 Fast 2.158540e-05 1.381470e-05
Sm-159 U-235 High 4.452110e-05 2.849350e-05
Sm-159 U-238 Fast 3.863440e-05 2.472610e-05
Sm-159 U-238 High 1.444780e-04 9.246550e-05
Sm-159 Pu-239 Thermal 1.212210e-04 7.758130e-05
Sm-159 Pu-239 Fast 2.151150e-04 1.376740e-04
Sm-159 Pu-239 High 9.169950e-05 5.868770e-05
Sm-159 Pu-241 Thermal 3.098600e-04 1.983100e-04
Sm-159 Pu-241 Fast 4.475330e-04 2.864220e-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-159 U-235 Thermal 8.484200e-06 3.824760e-06
Sm-159 U-235 Fast 2.708120e-05 1.733190e-05
Sm-159 U-235 High 4.859630e-05 3.105580e-05
Sm-159 U-238 Fast 8.402310e-05 3.779570e-05
Sm-159 U-238 High 2.319680e-04 1.042740e-04
Sm-159 Pu-239 Thermal 1.335480e-04 8.547120e-05
Sm-159 Pu-239 Fast 2.322220e-04 1.486220e-04
Sm-159 Pu-239 High 9.585550e-05 6.130560e-05
Sm-159 Pu-241 Thermal 4.427680e-04 1.018210e-04
Sm-159 Pu-241 Fast 5.597110e-04 3.582160e-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