65-Tb-154
Spin
Level energy(keV) Spin & Parity
----------------------------------------
ground state 0
ground state(+X) 3-
ground state(+Y) 7-
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)
153.924684767 ± 0.000048661 (amu) [mass excess = -70155.687 ± 45.328 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
237.987 ± 45.903 (keV)
Strong Gamma-rays from Decay of Tb-154 (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
----------------------------------------------------------
123.07 25.84 EC
1274.44 10.51 EC
2187.10 9.94 EC
----------------------------------------------------------
123.07 30.3 EC
247.94 22.09 EC
540.18 19.55 EC
----------------------------------------------------------
247.94 78.81 EC
346.70 69.13 EC
1419.81 46.15 EC
----------------------------------------------------------
*: 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 9.4 H 4
EC 21.5 H 4
EC 22.7 H 5
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Dy-154 (Z= 66, A=154), MT=103 (n,p)
Dy-156 (Z= 66, A=156), MT= 32 (n,nd)
Dy-156 (Z= 66, A=156), 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)
-----------------------------------------------------------
Tb-154 Pu-239 High 2.242220e-11 1.793780e-11
-----------------------------------------------------------
Tb-154m Pu-239 High 3.636300e-10 2.909040e-10
Tb-154m Pu-239 High 1.013870e-10 8.110990e-11
-----------------------------------------------------------
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)
-----------------------------------------------------------
Tb-154 Pu-239 High 1.020910e-10 1.793780e-11
-----------------------------------------------------------
Tb-154m Pu-239 High 3.654550e-10 2.909040e-10
Tb-154m Pu-239 High 1.013870e-10 8.110990e-11
-----------------------------------------------------------
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