57-La-147
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)
146.928417800 ± 0.000011500 (amu) [mass excess = -66678.390 ± 10.712 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
5335.492 ± 13.725 (keV)
Strong Gamma-rays from Decay of La-147 (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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117.72 17.6 B-
186.32 9.5 B-
438.17 7.39 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- 4.06 S 4
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-147 U-235 Thermal 6.422880e-03 7.065160e-04
La-147 U-235 Fast 1.113150e-02 3.562080e-03
La-147 U-235 High 4.841450e-03 3.098530e-03
La-147 U-238 Fast 1.481470e-02 4.740720e-03
La-147 U-238 High 1.228730e-02 3.931920e-03
La-147 Pu-239 Thermal 6.104850e-03 3.907110e-03
La-147 Pu-239 Fast 5.754300e-03 3.682750e-03
La-147 Pu-239 High 2.505520e-03 1.603530e-03
La-147 Pu-241 Thermal 1.327680e-02 4.248560e-03
La-147 Pu-241 Fast 1.153240e-02 3.690370e-03
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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-147 U-235 Thermal 8.868310e-03 5.339850e-04
La-147 U-235 Fast 1.354340e-02 3.124050e-03
La-147 U-235 High 5.165620e-03 3.301500e-03
La-147 U-238 Fast 2.320730e-02 3.721760e-03
La-147 U-238 High 1.548400e-02 3.567740e-03
La-147 Pu-239 Thermal 6.457400e-03 2.906320e-03
La-147 Pu-239 Fast 6.096030e-03 2.743670e-03
La-147 Pu-239 High 2.601350e-03 1.663950e-03
La-147 Pu-241 Thermal 1.611480e-02 3.709560e-03
La-147 Pu-241 Fast 1.349450e-02 3.109000e-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