65-Tb-157
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)
156.924033028 ± 0.000001770 (amu) [mass excess = -70762.778 ± 1.649 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
-1339.145 ± 5.139 (keV)
Strong Gamma-rays from Decay of Tb-157 (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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54.5 8.E-03 EC
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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
EC 71 Y 7
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Tb-159 (Z= 65, A=159), MT= 17 (n,3n)
Dy-158 (Z= 66, A=158), MT= 28 (n,np)
Dy-158 (Z= 66, A=158), MT=104 (n,d)
Dy-159 (Z= 66, A=159), MT= 32 (n,nd)
Dy-159 (Z= 66, A=159), MT= 41 (n,2np)
Dy-159 (Z= 66, A=159), MT=105 (n,t)
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-157 U-235 Thermal 4.922160e-14 3.150190e-14
Tb-157 U-235 Fast 1.476950e-14 9.452490e-15
Tb-157 U-235 High 7.229910e-09 4.627150e-09
Tb-157 U-238 High 3.133410e-12 2.005390e-12
Tb-157 Pu-239 Thermal 8.168710e-11 5.227980e-11
Tb-157 Pu-239 Fast 2.429610e-10 1.554950e-10
Tb-157 Pu-239 High 5.353470e-07 3.426220e-07
Tb-157 Pu-241 Thermal 1.060170e-13 6.785090e-14
Tb-157 Pu-241 Fast 1.728700e-12 1.106370e-12
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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-157 U-235 Thermal 4.922160e-14 3.150190e-14
Tb-157 U-235 Fast 1.476950e-14 9.452490e-15
Tb-157 U-235 High 7.232230e-09 4.620300e-09
Tb-157 U-238 High 3.133410e-12 2.003210e-12
Tb-157 Pu-239 Thermal 8.168710e-11 5.227980e-11
Tb-157 Pu-239 Fast 2.429610e-10 1.554950e-10
Tb-157 Pu-239 High 5.362040e-07 3.430400e-07
Tb-157 Pu-241 Thermal 1.060170e-13 6.783990e-14
Tb-157 Pu-241 Fast 1.728700e-12 1.106370e-12
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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