57-La-139
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)
138.906356256 ± 0.000002438 (amu) [mass excess = -87228.585 ± 2.271 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
-278.382 ± 6.953 (keV)
Cross Sections (taken from JENDL-4.0)
Table of cross sections, La-139.
Figures of cross sections, La-139: 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
La-138 (Z= 57, A=138), MT=102 (n,γ)
La-139 (Z= 57, A=139), MT= 2 (Elastic scattering)
La-139 (Z= 57, A=139), MT= 4 (Inelastic scattering)
La-140 (Z= 57, A=140), MT= 16 (n,2n)
Ce-140 (Z= 58, A=140), MT= 28 (n,np)
Ce-140 (Z= 58, A=140), MT=104 (n,d)
Ce-141 (Z= 58, A=141), MT= 32 (n,nd)
Ce-141 (Z= 58, A=141), MT=105 (n,t)
Pr-141 (Z= 59, A=141), MT=106 (n,3He)
Pr-143 (Z= 59, A=143), MT= 22 (n,nα)
Nd-143 (Z= 60, A=143), MT=112 (n,pα)
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-139 U-235 Thermal 2.266390e-07 1.450490e-07
La-139 U-235 Fast 8.901620e-08 5.697040e-08
La-139 U-235 High 6.671150e-05 4.269540e-05
La-139 U-238 Fast 8.103020e-09 5.185930e-09
La-139 U-238 High 8.669440e-07 5.548440e-07
La-139 Pu-239 Thermal 1.028840e-05 6.584560e-06
La-139 Pu-239 Fast 9.508460e-06 6.085410e-06
La-139 Pu-239 High 3.644960e-04 2.332770e-04
La-139 Pu-241 Thermal 2.280370e-07 1.459440e-07
La-139 Pu-241 Fast 2.578060e-07 1.649960e-07
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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-139 U-235 Thermal 6.404370e-02 4.579860e-04
La-139 U-235 Fast 6.330370e-02 3.423340e-04
La-139 U-235 High 4.816810e-02 1.925190e-03
La-139 U-238 Fast 5.676960e-02 5.710510e-04
La-139 U-238 High 5.056210e-02 1.012020e-03
La-139 Pu-239 Thermal 5.636130e-02 1.578430e-03
La-139 Pu-239 Fast 5.610600e-02 7.856570e-04
La-139 Pu-239 High 4.131380e-02 3.303090e-03
La-139 Pu-241 Thermal 6.218600e-02 1.243540e-03
La-139 Pu-241 Fast 6.302800e-02 1.766670e-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