55-Cs-131
Spin
Level energy(keV) Spin & Parity
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ground state 5/2+
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)
130.905464899 ± 0.000005343 (amu) [mass excess = -88058.879 ± 4.977 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
-1374.958 ± 5.287 (keV)
Decay data(Chart of the Nuclides 2014)
Decay mode Half-life
EC 9.689 D 16
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Cs-133 (Z= 55, A=133), MT= 17 (n,3n)
Ba-132 (Z= 56, A=132), MT= 28 (n,np)
Ba-132 (Z= 56, A=132), MT=104 (n,d)
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-131 U-235 Thermal 2.535960e-14 1.623020e-14
Cs-131 U-235 Fast 1.616670e-14 1.034660e-14
Cs-131 U-235 High 1.101510e-08 7.049660e-09
Cs-131 U-238 High 2.532760e-11 1.620970e-11
Cs-131 Pu-239 Thermal 2.619590e-11 1.676540e-11
Cs-131 Pu-239 Fast 2.139650e-11 1.369380e-11
Cs-131 Pu-239 High 3.532290e-07 2.260670e-07
Cs-131 Pu-241 Thermal 8.701400e-14 5.568900e-14
Cs-131 Pu-241 Fast 1.169120e-13 7.482370e-14
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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-131 U-235 Thermal 2.535960e-14 1.623020e-14
Cs-131 U-235 Fast 1.616670e-14 1.034660e-14
Cs-131 U-235 High 1.101610e-08 7.039220e-09
Cs-131 U-238 High 2.532760e-11 1.619210e-11
Cs-131 Pu-239 Thermal 2.619590e-11 1.676540e-11
Cs-131 Pu-239 Fast 2.139650e-11 1.369380e-11
Cs-131 Pu-239 High 3.533600e-07 2.259200e-07
Cs-131 Pu-241 Thermal 8.701400e-14 5.568000e-14
Cs-131 Pu-241 Fast 1.169120e-13 7.482370e-14
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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