64-Gd-161
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)
160.929677476 ± 0.000002130 (amu) [mass excess = -65505.009 ± 1.985 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
1955.813 ± 1.441 (keV)
Strong Gamma-rays from Decay of Gd-161 (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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102.31 13.87 B-
314.92 22.69 B-
360.94 60.05 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- 3.66 M 5
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Gd-160 (Z= 64, A=160), MT=102 (n,γ)
Dy-163 (Z= 66, A=163), MT=106 (n,3He)
Dy-164 (Z= 66, A=164), MT=107 (n,α)
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-161 U-235 Thermal 1.108230e-07 7.092710e-08
Gd-161 U-235 Fast 2.255340e-07 1.443420e-07
Gd-161 U-235 High 2.136930e-05 1.367640e-05
Gd-161 U-238 Fast 1.060400e-07 6.786530e-08
Gd-161 U-238 High 4.214590e-06 2.697340e-06
Gd-161 Pu-239 Thermal 1.254800e-05 8.030730e-06
Gd-161 Pu-239 Fast 2.771550e-05 1.773790e-05
Gd-161 Pu-239 High 1.000650e-04 6.404150e-05
Gd-161 Pu-241 Thermal 3.150510e-06 2.016330e-06
Gd-161 Pu-241 Fast 2.088430e-05 1.336590e-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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Gd-161 U-235 Thermal 8.510510e-07 6.816100e-08
Gd-161 U-235 Fast 3.324570e-06 3.663370e-07
Gd-161 U-235 High 5.035350e-05 8.045790e-06
Gd-161 U-238 Fast 1.215790e-05 7.290470e-07
Gd-161 U-238 High 8.474090e-05 6.772630e-06
Gd-161 Pu-239 Thermal 4.811650e-05 5.294250e-06
Gd-161 Pu-239 Fast 8.569720e-05 6.856690e-06
Gd-161 Pu-239 High 1.533520e-04 6.896710e-05
Gd-161 Pu-241 Thermal 8.469420e-05 6.773630e-06
Gd-161 Pu-241 Fast 2.337720e-04 1.052730e-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