62-Sm-155
Spin
Level energy(keV) Spin & Parity
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ground state 3/2-
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)
154.924647748 ± 0.000001985 (amu) [mass excess = -70190.170 ± 1.849 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
1626.986 ± 1.193 (keV)
Strong Gamma-rays from Decay of Sm-155 (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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104.32 74.6 B-
141.41 1.98 B-
245.73 3.73 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- 22.3 M 2
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Sm-154 (Z= 62, A=154), MT=102 (n,γ)
Eu-155 (Z= 63, A=155), MT=103 (n,p)
Eu-156 (Z= 63, A=156), MT= 28 (n,np)
Eu-156 (Z= 63, A=156), MT=104 (n,d)
Eu-157 (Z= 63, A=157), MT= 32 (n,nd)
Eu-157 (Z= 63, A=157), MT= 41 (n,2np)
Eu-157 (Z= 63, A=157), MT=105 (n,t)
Gd-157 (Z= 64, A=157), MT=106 (n,3He)
Gd-158 (Z= 64, A=158), MT=107 (n,α)
Gd-160 (Z= 64, A=160), 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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Sm-155 U-235 Thermal 1.307920e-05 8.370670e-06
Sm-155 U-235 Fast 7.913660e-06 5.064750e-06
Sm-155 U-235 High 1.974810e-04 1.263880e-04
Sm-155 U-238 Fast 3.121160e-06 1.997540e-06
Sm-155 U-238 High 3.072340e-05 1.966300e-05
Sm-155 Pu-239 Thermal 2.127160e-04 1.361380e-04
Sm-155 Pu-239 Fast 3.466040e-04 2.218260e-04
Sm-155 Pu-239 High 1.014320e-03 6.491630e-04
Sm-155 Pu-241 Thermal 3.182520e-05 2.036810e-05
Sm-155 Pu-241 Fast 1.013940e-04 6.489200e-05
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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-155 U-235 Thermal 3.207680e-04 2.571230e-05
Sm-155 U-235 Fast 3.937270e-04 9.078540e-05
Sm-155 U-235 High 7.775870e-04 1.785960e-04
Sm-155 U-238 Fast 1.412620e-03 4.528580e-04
Sm-155 U-238 High 1.552460e-03 6.985870e-04
Sm-155 Pu-239 Thermal 1.654910e-03 3.807170e-04
Sm-155 Pu-239 Fast 2.083260e-03 6.667790e-04
Sm-155 Pu-239 High 2.178290e-03 6.966120e-04
Sm-155 Pu-241 Thermal 2.412850e-03 3.862580e-04
Sm-155 Pu-241 Fast 3.354380e-03 1.511180e-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