55-Cs-148
Spin
Level energy(keV) Spin & Parity
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ground state
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)
147.949225137 ± 0.000617890 (amu) [mass excess = -47296.480 ± 575.562 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
10297.255 ± 579.008 (keV)
Strong Gamma-rays from Decay of Cs-148 (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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141.7 *100. B-
545.5 * 20. B-
687.2 * 23. 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- 146 MS 6
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-148 U-235 Thermal 1.307920e-07 8.370670e-08
Cs-148 U-235 Fast 4.051630e-07 2.593050e-07
Cs-148 U-235 High 1.061450e-07 6.793310e-08
Cs-148 U-238 Fast 2.455920e-05 1.571790e-05
Cs-148 U-238 High 7.408060e-06 4.741160e-06
Cs-148 Pu-239 Thermal 1.509760e-08 9.662480e-09
Cs-148 Pu-239 Fast 2.319630e-08 1.484560e-08
Cs-148 Pu-239 High 1.931250e-08 1.236000e-08
Cs-148 Pu-241 Thermal 1.160190e-06 7.425190e-07
Cs-148 Pu-241 Fast 5.705710e-07 3.651650e-07
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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-148 U-235 Thermal 1.308030e-07 8.371380e-08
Cs-148 U-235 Fast 4.052250e-07 2.593450e-07
Cs-148 U-235 High 1.061720e-07 6.783260e-08
Cs-148 U-238 Fast 2.457740e-05 1.572490e-05
Cs-148 U-238 High 7.413370e-06 4.742420e-06
Cs-148 Pu-239 Thermal 1.509850e-08 9.663060e-09
Cs-148 Pu-239 Fast 2.319770e-08 1.484650e-08
Cs-148 Pu-239 High 1.931670e-08 1.235200e-08
Cs-148 Pu-241 Thermal 1.160350e-06 7.423990e-07
Cs-148 Pu-241 Fast 5.706590e-07 3.652220e-07
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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