55-Cs-142
Spin
Level energy(keV) Spin & Parity
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ground state 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)
141.924295991 ± 0.000007898 (amu) [mass excess = -70517.830 ± 7.358 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
7324.904 ± 8.542 (keV)
Strong Gamma-rays from Decay of Cs-142 (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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359.60 27.2 B-
966.89 8.98 B-
1326.46 12.92 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- 1.684 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)
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Cs-142 U-235 Thermal 2.274670e-02 6.369060e-04
Cs-142 U-235 Fast 2.260950e-02 1.356570e-03
Cs-142 U-235 High 1.326170e-02 4.243760e-03
Cs-142 U-238 Fast 2.280640e-02 7.298040e-03
Cs-142 U-238 High 2.384070e-02 7.629020e-03
Cs-142 Pu-239 Thermal 1.396410e-02 3.211730e-03
Cs-142 Pu-239 Fast 1.272880e-02 4.073200e-03
Cs-142 Pu-239 High 5.202800e-03 3.329800e-03
Cs-142 Pu-241 Thermal 2.687850e-02 8.601100e-03
Cs-142 Pu-241 Fast 2.296720e-02 7.349500e-03
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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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Cs-142 U-235 Thermal 2.711700e-02 7.627920e-04
Cs-142 U-235 Fast 2.826420e-02 1.702020e-03
Cs-142 U-235 High 1.417480e-02 3.256540e-03
Cs-142 U-238 Fast 3.840090e-02 6.161580e-03
Cs-142 U-238 High 2.875760e-02 6.619640e-03
Cs-142 Pu-239 Thermal 1.538990e-02 2.463210e-03
Cs-142 Pu-239 Fast 1.369290e-02 3.150560e-03
Cs-142 Pu-239 High 5.428440e-03 2.441620e-03
Cs-142 Pu-241 Thermal 3.239680e-02 7.456490e-03
Cs-142 Pu-241 Fast 2.827250e-02 6.513940e-03
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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