65-Tb-168
Spin
Level energy(keV) Spin & Parity
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ground state (4-)
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)
167.943400 ± 0.000320 (amu) [mass excess = -52723 ± 298 (keV) ]
[These values were derived from systematical trend]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
5837 ± 329 (keV) [derived from systematical trend]
Strong Gamma-rays from Decay of Tb-168 (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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74.96 * 50. B-
173.37 *100. B-
227.03 * 56. 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- 8.2 S 13
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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Tb-168 U-235 Thermal 1.727250e-10 1.105440e-10
Tb-168 U-235 Fast 3.961830e-10 2.535570e-10
Tb-168 U-235 High 1.892600e-07 1.211260e-07
Tb-168 U-238 Fast 1.560580e-07 9.987720e-08
Tb-168 U-238 High 1.181290e-06 7.560230e-07
Tb-168 Pu-239 Thermal 1.089830e-08 6.974900e-09
Tb-168 Pu-239 Fast 1.499750e-07 9.598440e-08
Tb-168 Pu-239 High 8.115260e-08 5.193770e-08
Tb-168 Pu-241 Thermal 5.600910e-08 3.584580e-08
Tb-168 Pu-241 Fast 5.505860e-07 3.523750e-07
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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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Tb-168 U-235 Thermal 1.945190e-10 1.244920e-10
Tb-168 U-235 Fast 4.897710e-10 3.134530e-10
Tb-168 U-235 High 1.963160e-07 1.254260e-07
Tb-168 U-238 Fast 2.520000e-07 1.612800e-07
Tb-168 U-238 High 1.522820e-06 9.728080e-07
Tb-168 Pu-239 Thermal 1.159840e-08 7.422970e-09
Tb-168 Pu-239 Fast 1.571830e-07 1.004780e-07
Tb-168 Pu-239 High 8.267700e-08 5.286410e-08
Tb-168 Pu-241 Thermal 7.106660e-08 4.548270e-08
Tb-168 Pu-241 Fast 6.405890e-07 4.099770e-07
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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