57-La-141
Spin
Level energy(keV) Spin & Parity
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ground state (7/2+)
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)
140.910966030 ± 0.000004782 (amu) [mass excess = -82934.609 ± 4.455 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
2501.393 ± 3.928 (keV)
Strong Gamma-rays from Decay of La-141 (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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1354.52 1.64 B-
1693.3 0.07 B-
2267.0 0.04 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- 3.92 H 3
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
La-140 (Z= 57, A=140), MT=102 (n,γ)
Ce-141 (Z= 58, A=141), MT=103 (n,p)
Ce-142 (Z= 58, A=142), MT= 28 (n,np)
Ce-142 (Z= 58, A=142), MT=104 (n,d)
Ce-143 (Z= 58, A=143), MT= 32 (n,nd)
Ce-143 (Z= 58, A=143), MT=105 (n,t)
Pr-143 (Z= 59, A=143), MT=106 (n,3He)
Pm-148 (Z= 61, A=148), MT=108 (n,2α)
Pm-148 (Z= 61, A=148), MT=108 (n,2α)
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-141 U-235 Thermal 1.846260e-04 2.954020e-05
La-141 U-235 Fast 4.648400e-05 2.974970e-05
La-141 U-235 High 1.864570e-03 1.193320e-03
La-141 U-238 Fast 4.451660e-06 2.849060e-06
La-141 U-238 High 7.993700e-05 5.115970e-05
La-141 Pu-239 Thermal 7.211960e-04 4.615660e-04
La-141 Pu-239 Fast 6.888590e-04 4.408690e-04
La-141 Pu-239 High 4.094360e-03 2.620390e-03
La-141 Pu-241 Thermal 4.394710e-05 2.812620e-05
La-141 Pu-241 Fast 5.617780e-05 3.595380e-05
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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-141 U-235 Thermal 5.838400e-02 1.172550e-03
La-141 U-235 Fast 5.937210e-02 1.669930e-03
La-141 U-235 High 4.490740e-02 4.932650e-03
La-141 U-238 Fast 5.337390e-02 2.134640e-03
La-141 U-238 High 4.386250e-02 1.753250e-03
La-141 Pu-239 Thermal 5.246260e-02 2.098670e-03
La-141 Pu-239 Fast 5.146420e-02 3.088090e-03
La-141 Pu-239 High 3.549490e-02 3.901810e-03
La-141 Pu-241 Thermal 4.906770e-02 1.373660e-03
La-141 Pu-241 Fast 5.071770e-02 5.582960e-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