55-Cs-134
Spin
Level energy(keV) Spin & Parity
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ground state 4+
1.38744E+02 8-
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)
133.906718503 ± 0.000000017 (amu) [mass excess = -86891.154 ± 0.016 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
2058.901 ± 0.276 (keV)
Strong Gamma-rays from Decay of Cs-134 (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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11.24 1.08 IT
127.50 12.6 IT
138.73 4.E-03 IT
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569.33 15.37 B-
604.72 97.62 B-
795.86 85.46 B-
847.0 3.E-04 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- 2.0652 Y 4
IT 2.912 H 2
Cross Sections (taken from JENDL-4.0)
Table of cross sections, Cs-134.
Figures of cross sections, Cs-134: type-1: type-2: type-3.
type-1: total, elastic and inelastic scattering, capture and fision cross sections
type-2: same as type-1 but cross sections are averaged in 70 energy group intervals
type-3: threshold reaction cross sections
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Cs-133 (Z= 55, A=133), MT=102 (n,γ)
Cs-134 (Z= 55, A=134), MT= 2 (Elastic scattering)
Cs-134 (Z= 55, A=134), MT= 4 (Inelastic scattering)
Cs-135 (Z= 55, A=135), MT= 16 (n,2n)
Cs-136 (Z= 55, A=136), MT= 17 (n,3n)
Ba-134 (Z= 56, A=134), MT=103 (n,p)
Ba-135 (Z= 56, A=135), MT= 28 (n,np)
Ba-135 (Z= 56, A=135), MT=104 (n,d)
Ba-136 (Z= 56, A=136), MT=105 (n,t)
La-138 (Z= 57, A=138), MT= 22 (n,nα)
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-134 U-235 Thermal 4.433900e-08 2.837700e-08
Cs-134 U-235 Fast 2.665700e-08 1.706050e-08
Cs-134 U-235 High 3.510850e-05 2.246940e-05
Cs-134 U-238 Fast 3.425080e-09 2.192050e-09
Cs-134 U-238 High 7.921590e-07 5.069840e-07
Cs-134 Pu-239 Thermal 3.858590e-06 2.469490e-06
Cs-134 Pu-239 Fast 3.513330e-06 2.248530e-06
Cs-134 Pu-239 High 1.705880e-04 1.091760e-04
Cs-134 Pu-241 Thermal 1.336540e-07 8.553820e-08
Cs-134 Pu-241 Fast 1.318710e-07 8.439730e-08
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Cs-134m U-235 Thermal 3.263840e-08 2.088860e-08
Cs-134m U-235 Fast 2.363920e-08 1.512910e-08
Cs-134m U-235 High 5.584620e-05 3.574150e-05
Cs-134m U-238 Fast 3.037330e-09 1.943890e-09
Cs-134m U-238 High 1.260070e-06 8.064460e-07
Cs-134m Pu-239 Thermal 2.840350e-06 1.817820e-06
Cs-134m Pu-239 Fast 3.115590e-06 1.993980e-06
Cs-134m Pu-239 High 2.713490e-04 1.736630e-04
Cs-134m Pu-241 Thermal 9.838390e-08 6.296560e-08
Cs-134m Pu-241 Fast 1.169420e-07 7.484290e-08
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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)
-----------------------------------------------------------
Cs-134 U-235 Thermal 7.697750e-08 4.926550e-08
Cs-134 U-235 Fast 5.029620e-08 3.218950e-08
Cs-134 U-235 High 9.095480e-05 5.255560e-05
Cs-134 U-238 Fast 6.462410e-09 4.135950e-09
Cs-134 U-238 High 2.052230e-06 1.186140e-06
Cs-134 Pu-239 Thermal 6.698950e-06 4.287330e-06
Cs-134 Pu-239 Fast 6.628920e-06 4.242520e-06
Cs-134 Pu-239 High 4.419370e-04 2.555010e-04
Cs-134 Pu-241 Thermal 2.320380e-07 1.485040e-07
Cs-134 Pu-241 Fast 2.488130e-07 1.592400e-07
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Cs-134m U-235 Thermal 3.263840e-08 2.088860e-08
Cs-134m U-235 Fast 2.363920e-08 1.512910e-08
Cs-134m U-235 High 5.584620e-05 3.568860e-05
Cs-134m U-238 Fast 3.037330e-09 1.943180e-09
Cs-134m U-238 High 1.260070e-06 8.055730e-07
Cs-134m Pu-239 Thermal 2.840350e-06 1.817820e-06
Cs-134m Pu-239 Fast 3.115590e-06 1.993980e-06
Cs-134m Pu-239 High 2.713490e-04 1.735510e-04
Cs-134m Pu-241 Thermal 9.838390e-08 6.295540e-08
Cs-134m Pu-241 Fast 1.169420e-07 7.484290e-08
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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