64-Gd-155
Spin
Level energy(keV) Spin & Parity
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ground state 3/2-
1.21050E+02 11/2-
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)
154.922630473 ± 0.000001742 (amu) [mass excess = -72069.250 ± 1.624 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
-819.784 ± 9.789 (keV)
Strong Gamma-rays from Decay of Gd-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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13.47 7.1 IT
21.04 0.04 IT
86.55 70. 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 31.97 MS 27
Cross Sections (taken from JENDL-4.0)
Table of cross sections, Gd-155.
Figures of cross sections, Gd-155: type-1: type-2: type-3.
type-1: total, elastic and inelastic scattering, capture and fision cross sections
type-2: same as type-1 but cross sections are averaged in 70 energy group intervals
type-3: threshold reaction cross sections
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Gd-154 (Z= 64, A=154), MT=102 (n,γ)
Gd-155 (Z= 64, A=155), MT= 2 (Elastic scattering)
Gd-155 (Z= 64, A=155), MT= 4 (Inelastic scattering)
Gd-156 (Z= 64, A=156), MT= 16 (n,2n)
Gd-157 (Z= 64, A=157), MT= 17 (n,3n)
Dy-158 (Z= 66, A=158), MT=107 (n,α)
Dy-159 (Z= 66, A=159), MT= 22 (n,nα)
Dy-160 (Z= 66, 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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Gd-155 U-235 Thermal 4.073510e-12 2.607050e-12
Gd-155 U-235 Fast 1.327260e-12 8.494470e-13
Gd-155 U-235 High 5.848020e-08 3.742730e-08
Gd-155 U-238 Fast 8.043000e-14 5.147520e-14
Gd-155 U-238 High 6.356930e-11 4.068430e-11
Gd-155 Pu-239 Thermal 1.659740e-09 1.062240e-09
Gd-155 Pu-239 Fast 5.239150e-09 3.353060e-09
Gd-155 Pu-239 High 2.961920e-06 1.895630e-06
Gd-155 Pu-241 Thermal 4.010650e-12 2.566820e-12
Gd-155 Pu-241 Fast 5.216080e-11 3.338290e-11
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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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Gd-155 U-235 Thermal 3.207940e-04 1.286660e-05
Gd-155 U-235 Fast 3.937380e-04 4.342980e-05
Gd-155 U-235 High 7.883100e-04 8.659920e-05
Gd-155 U-238 Fast 1.412620e-03 1.556880e-04
Gd-155 U-238 High 1.552620e-03 2.484120e-04
Gd-155 Pu-239 Thermal 1.656840e-03 1.822940e-04
Gd-155 Pu-239 Fast 2.087750e-03 2.296990e-04
Gd-155 Pu-239 High 2.332980e-03 2.564690e-04
Gd-155 Pu-241 Thermal 2.412900e-03 1.931350e-04
Gd-155 Pu-241 Fast 3.354650e-03 5.373650e-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