65-Tb-156
Spin
Level energy(keV) Spin & Parity
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ground state 3-
4.96000E+01 (7-)
8.84000E+01 (0+)
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)
155.924755181 ± 0.000004298 (amu) [mass excess = -70090.097 ± 4.004 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
438.238 ± 3.682 (keV)
Strong Gamma-rays from Decay of Tb-156 (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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88.4 1.17 IT
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X -- IT
49.63 73.7 IT
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199.19 40.92 EC
534.29 66.59 EC
1222.44 31. 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 5.35 D 10
IT 5.3 H 2
IT 24.4 H 10
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Dy-156 (Z= 66, A=156), MT=103 (n,p)
Dy-158 (Z= 66, A=158), MT= 32 (n,nd)
Dy-158 (Z= 66, A=158), 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-156 U-235 High 1.812700e-10 1.160130e-10
Tb-156 U-238 High 2.164520e-14 1.385290e-14
Tb-156 Pu-239 Thermal 1.300090e-12 8.320550e-13
Tb-156 Pu-239 Fast 3.486890e-12 2.231610e-12
Tb-156 Pu-239 High 3.003730e-08 1.922390e-08
Tb-156 Pu-241 Fast 1.036520e-14 6.633730e-15
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Tb-156m U-235 High 1.098610e-11 7.031080e-12
Tb-156m U-235 High 4.379770e-10 3.503810e-10
Tb-156m Pu-239 Thermal 1.460770e-13 9.348960e-14
Tb-156m Pu-239 Fast 3.401850e-13 2.177180e-13
Tb-156m Pu-239 High 1.820440e-09 1.165080e-09
Tb-156m Pu-239 High 7.032920e-08 5.626330e-08
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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-156 U-235 High 4.112440e-10 2.475250e-10
Tb-156 U-238 High 2.164520e-14 1.385290e-14
Tb-156 Pu-239 Thermal 1.446160e-12 9.217940e-13
Tb-156 Pu-239 Fast 3.827080e-12 2.449330e-12
Tb-156 Pu-239 High 6.702230e-08 3.998450e-08
Tb-156 Pu-241 Fast 1.036520e-14 6.633730e-15
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Tb-156m U-235 High 1.098610e-11 7.020670e-12
Tb-156m U-235 High 4.379770e-10 3.503810e-10
Tb-156m Pu-239 Thermal 1.460770e-13 9.348960e-14
Tb-156m Pu-239 Fast 3.401850e-13 2.177180e-13
Tb-156m Pu-239 High 1.820440e-09 1.164330e-09
Tb-156m Pu-239 High 7.032920e-08 5.626330e-08
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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