55-Cs-132
Spin
Level energy(keV) Spin & Parity
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ground state 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)
131.906433914 ± 0.000002147 (amu) [mass excess = -87156.248 ± 2.000 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
1278.742 ± 2.261 (keV)
Strong Gamma-rays from Decay of Cs-132 (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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464.47 1.58 B-
567.16 0.22 B-
1031.66 0.13 B-
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505.79 0.73 EC
630.19 0.95 EC
667.71 97.59 EC
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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- 6.479 D 7
EC 6.480 D 6
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Cs-133 (Z= 55, A=133), MT= 16 (n,2n)
Cs-134 (Z= 55, A=134), MT= 17 (n,3n)
Ba-132 (Z= 56, A=132), MT=103 (n,p)
Ba-134 (Z= 56, A=134), MT=105 (n,t)
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-132 U-235 Thermal 7.368270e-10 4.715690e-10
Cs-132 U-235 Fast 2.614600e-12 1.673350e-12
Cs-132 U-235 High 4.375990e-07 2.800640e-07
Cs-132 U-238 Fast 2.851060e-13 1.824680e-13
Cs-132 U-238 High 1.511650e-09 9.674530e-10
Cs-132 Pu-239 Thermal 2.979530e-09 1.906900e-09
Cs-132 Pu-239 Fast 2.599570e-09 1.663730e-09
Cs-132 Pu-239 High 5.923840e-06 3.791260e-06
Cs-132 Pu-241 Thermal 2.320380e-11 1.485040e-11
Cs-132 Pu-241 Fast 2.737940e-11 1.752280e-11
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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-132 U-235 Thermal 7.368270e-10 4.715690e-10
Cs-132 U-235 Fast 2.614600e-12 1.673350e-12
Cs-132 U-235 High 4.375990e-07 2.796490e-07
Cs-132 U-238 Fast 2.851060e-13 1.824010e-13
Cs-132 U-238 High 1.511650e-09 9.664050e-10
Cs-132 Pu-239 Thermal 2.979530e-09 1.906900e-09
Cs-132 Pu-239 Fast 2.599570e-09 1.663730e-09
Cs-132 Pu-239 High 5.923840e-06 3.788800e-06
Cs-132 Pu-241 Thermal 2.320380e-11 1.484800e-11
Cs-132 Pu-241 Fast 2.737940e-11 1.752280e-11
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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