57-La-135
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)
134.906984363 ± 0.000010126 (amu) [mass excess = -86643.508 ± 9.433 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
-2027.152 ± 4.610 (keV)
Strong Gamma-rays from Decay of La-135 (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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480.51 1.52 EC
587.83 0.11 EC
874.51 0.16 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
EC 19.5 H 2
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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La-135 U-235 High 1.371880e-09 8.780040e-10
La-135 U-238 High 9.900780e-13 6.336500e-13
La-135 Pu-239 Thermal 3.859390e-12 2.470010e-12
La-135 Pu-239 Fast 3.859370e-12 2.470000e-12
La-135 Pu-239 High 3.982580e-08 2.548850e-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)
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La-135 U-235 High 1.371930e-09 8.767030e-10
La-135 U-238 High 9.900780e-13 6.329640e-13
La-135 Pu-239 Thermal 3.859390e-12 2.470010e-12
La-135 Pu-239 Fast 3.859370e-12 2.470000e-12
La-135 Pu-239 High 3.983280e-08 2.547200e-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