55-Cs-141
Spin
Level energy(keV) Spin & Parity
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ground state 7/2+
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)
140.920045491 ± 0.000009785 (amu) [mass excess = -74477.145 ± 9.115 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
5255.636 ± 9.558 (keV)
Strong Gamma-rays from Decay of Cs-141 (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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48.53 7.9 B-
561.63 4.66 B-
1194.02 3.95 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- 24.84 S 17
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-141 U-235 Thermal 2.910700e-02 5.821390e-04
Cs-141 U-235 Fast 3.484010e-02 1.114880e-02
Cs-141 U-235 High 2.198560e-02 7.035380e-03
Cs-141 U-238 Fast 1.913740e-02 6.123980e-03
Cs-141 U-238 High 2.495440e-02 7.985400e-03
Cs-141 Pu-239 Thermal 2.866680e-02 4.586690e-03
Cs-141 Pu-239 Fast 2.617100e-02 8.374730e-03
Cs-141 Pu-239 High 1.200810e-02 3.842580e-03
Cs-141 Pu-241 Thermal 2.755650e-02 8.818080e-03
Cs-141 Pu-241 Fast 2.825010e-02 9.040000e-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-141 U-235 Thermal 4.161780e-02 5.873470e-04
Cs-141 U-235 Fast 4.377460e-02 7.019290e-03
Cs-141 U-235 High 2.461870e-02 5.654100e-03
Cs-141 U-238 Fast 5.109130e-02 5.619960e-03
Cs-141 U-238 High 3.856990e-02 6.165530e-03
Cs-141 Pu-239 Thermal 3.346190e-02 3.681460e-03
Cs-141 Pu-239 Fast 3.099690e-02 7.130460e-03
Cs-141 Pu-239 High 1.317830e-02 3.029080e-03
Cs-141 Pu-241 Thermal 4.248110e-02 6.796480e-03
Cs-141 Pu-241 Fast 4.414900e-02 1.016280e-02
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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