55-Cs-146
Spin
Level energy(keV) Spin & Parity
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ground state 1-
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)
145.940344271 ± 0.000042474 (amu) [mass excess = -55568.953 ± 39.565 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
9371.350 ± 35.630 (keV)
Strong Gamma-rays from Decay of Cs-146 (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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181.02 *100. B-
332.38 * 11.3 B-
557.76 * 16.1 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- 0.321 S 2
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-146 U-235 Thermal 7.628850e-05 8.391740e-06
Cs-146 U-235 Fast 1.517270e-04 9.710520e-05
Cs-146 U-235 High 3.311540e-05 2.119380e-05
Cs-146 U-238 Fast 1.171470e-03 7.497390e-04
Cs-146 U-238 High 5.825040e-04 3.728020e-04
Cs-146 Pu-239 Thermal 2.126660e-05 1.361060e-05
Cs-146 Pu-239 Fast 1.327790e-05 8.497820e-06
Cs-146 Pu-239 High 5.723710e-06 3.663180e-06
Cs-146 Pu-241 Thermal 2.291770e-04 1.466730e-04
Cs-146 Pu-241 Fast 1.516560e-04 9.705980e-05
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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-146 U-235 Thermal 7.639430e-05 6.122350e-06
Cs-146 U-235 Fast 1.520660e-04 9.732230e-05
Cs-146 U-235 High 3.317620e-05 2.120720e-05
Cs-146 U-238 Fast 1.180820e-03 7.554480e-04
Cs-146 U-238 High 5.859480e-04 3.746010e-04
Cs-146 Pu-239 Thermal 2.128190e-05 1.362040e-05
Cs-146 Pu-239 Fast 1.328730e-05 8.503880e-06
Cs-146 Pu-239 High 5.731520e-06 3.660820e-06
Cs-146 Pu-241 Thermal 2.295840e-04 1.469120e-04
Cs-146 Pu-241 Fast 1.519540e-04 9.725040e-05
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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