54-Xe-139
Spin
Level energy(keV) Spin & Parity
----------------------------------------
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)
138.918792203 ± 0.000002300 (amu) [mass excess = -75644.575 ± 2.142 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
5056.565 ± 3.799 (keV)
Strong Gamma-rays from Decay of Xe-139 (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
----------------------------------------------------------
218.59 56. B-
289.78 9.18 B-
296.53 21.73 B-
----------------------------------------------------------
*: 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- 39.68 S 14
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)
-----------------------------------------------------------
Xe-139 U-235 Thermal 4.316710e-02 8.633420e-04
Xe-139 U-235 Fast 3.784930e-02 1.513970e-03
Xe-139 U-235 High 1.879530e-02 2.067490e-03
Xe-139 U-238 Fast 3.284460e-02 5.255140e-03
Xe-139 U-238 High 2.536810e-02 2.029450e-03
Xe-139 Pu-239 Thermal 2.791510e-02 1.116610e-03
Xe-139 Pu-239 Fast 2.936160e-02 9.395680e-03
Xe-139 Pu-239 High 1.002090e-02 3.206680e-03
Xe-139 Pu-241 Thermal 4.085180e-02 2.451110e-03
Xe-139 Pu-241 Fast 4.368130e-02 1.397800e-02
-----------------------------------------------------------
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)
-----------------------------------------------------------
Xe-139 U-235 Thermal 5.031810e-02 1.010150e-03
Xe-139 U-235 Fast 4.218010e-02 1.186510e-03
Xe-139 U-235 High 2.060590e-02 1.646350e-03
Xe-139 U-238 Fast 5.326740e-02 3.192750e-03
Xe-139 U-238 High 3.396370e-02 2.035550e-03
Xe-139 Pu-239 Thermal 3.085020e-02 8.640040e-04
Xe-139 Pu-239 Fast 3.114200e-02 7.163870e-03
Xe-139 Pu-239 High 1.061010e-02 2.438790e-03
Xe-139 Pu-241 Thermal 4.922190e-02 1.377970e-03
Xe-139 Pu-241 Fast 5.142700e-02 1.183690e-02
-----------------------------------------------------------
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