62-Sm-156
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)
155.925536067 ± 0.000010044 (amu) [mass excess = -69362.706 ± 9.356 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
722.442 ± 7.913 (keV)
Strong Gamma-rays from Decay of Sm-156 (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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87.6 23.52 B-
165.8 12.74 B-
204.0 20.58 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- 9.4 H 2
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Eu-156 (Z= 63, A=156), MT=103 (n,p)
Eu-157 (Z= 63, A=157), MT= 28 (n,np)
Eu-157 (Z= 63, A=157), MT=104 (n,d)
Gd-158 (Z= 64, A=158), MT=106 (n,3He)
Gd-160 (Z= 64, A=160), MT= 22 (n,nα)
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-156 U-235 Thermal 3.026190e-05 1.936750e-05
Sm-156 U-235 Fast 2.301250e-05 1.472800e-05
Sm-156 U-235 High 2.567220e-04 1.643020e-04
Sm-156 U-238 Fast 1.207450e-05 7.727680e-06
Sm-156 U-238 High 8.656430e-05 5.540110e-05
Sm-156 Pu-239 Thermal 4.455200e-04 2.851330e-04
Sm-156 Pu-239 Fast 6.452760e-04 4.129760e-04
Sm-156 Pu-239 High 1.162850e-03 7.442270e-04
Sm-156 Pu-241 Thermal 1.112180e-04 7.117940e-05
Sm-156 Pu-241 Fast 3.417930e-04 2.187480e-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-156 U-235 Thermal 1.481420e-04 1.187180e-05
Sm-156 U-235 Fast 2.020870e-04 5.684840e-06
Sm-156 U-235 High 5.465430e-04 8.732030e-05
Sm-156 U-238 Fast 7.605880e-04 3.041380e-05
Sm-156 U-238 High 1.143960e-03 6.857430e-05
Sm-156 Pu-239 Thermal 1.228170e-03 7.370090e-05
Sm-156 Pu-239 Fast 1.527190e-03 1.680140e-04
Sm-156 Pu-239 High 1.737890e-03 5.557640e-04
Sm-156 Pu-241 Thermal 1.720990e-03 6.882920e-05
Sm-156 Pu-241 Fast 2.438170e-03 1.098000e-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