57-La-142
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)
141.914090890 ± 0.000006853 (amu) [mass excess = -80023.821 ± 6.384 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
4508.911 ± 5.845 (keV)
Strong Gamma-rays from Decay of La-142 (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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641.28 47.4 B-
2397.8 13.27 B-
2542.7 10. 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- 91.1 M 5
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Ce-142 (Z= 58, A=142), MT=103 (n,p)
Ce-143 (Z= 58, A=143), MT= 28 (n,np)
Ce-143 (Z= 58, A=143), MT=104 (n,d)
Ce-144 (Z= 58, A=144), MT= 32 (n,nd)
Ce-144 (Z= 58, A=144), 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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La-142 U-235 Thermal 9.637060e-04 3.083860e-04
La-142 U-235 Fast 2.984730e-04 1.910230e-04
La-142 U-235 High 5.015250e-03 3.209760e-03
La-142 U-238 Fast 5.264960e-05 3.369570e-05
La-142 U-238 High 4.629040e-04 2.962580e-04
La-142 Pu-239 Thermal 2.992680e-03 1.915310e-03
La-142 Pu-239 Fast 2.722550e-03 1.742430e-03
La-142 Pu-239 High 8.246770e-03 3.711050e-03
La-142 Pu-241 Thermal 3.640590e-04 2.329980e-04
La-142 Pu-241 Fast 4.085730e-04 2.614860e-04
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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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La-142 U-235 Thermal 5.838670e-02 8.248350e-04
La-142 U-235 Fast 5.529260e-02 7.863900e-04
La-142 U-235 High 4.198160e-02 4.611920e-03
La-142 U-238 Fast 4.576380e-02 9.219870e-04
La-142 U-238 High 4.060770e-02 1.137200e-03
La-142 Pu-239 Thermal 4.924470e-02 3.448840e-04
La-142 Pu-239 Fast 4.749760e-02 6.651510e-04
La-142 Pu-239 High 3.053190e-02 3.356460e-03
La-142 Pu-241 Thermal 4.745240e-02 9.495320e-04
La-142 Pu-241 Fast 4.628300e-02 1.854570e-03
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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