59-Pr-139
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)
138.908940762 ± 0.000008458 (amu) [mass excess = -84821.133 ± 7.879 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
-2806.486 ± 28.043 (keV)
Strong Gamma-rays from Decay of Pr-139 (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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255.11 0.24 EC
1347.33 0.47 EC
1630.67 0.34 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 4.41 H 4
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Pr-141 (Z= 59, A=141), MT= 17 (n,3n)
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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Pr-139 U-235 High 1.872570e-11 1.198440e-11
Pr-139 Pu-239 Thermal 3.549440e-14 2.271640e-14
Pr-139 Pu-239 Fast 3.289460e-14 2.105260e-14
Pr-139 Pu-239 High 1.541000e-09 9.862400e-10
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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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Pr-139 U-235 High 1.872570e-11 1.196660e-11
Pr-139 Pu-239 Thermal 3.549440e-14 2.271640e-14
Pr-139 Pu-239 Fast 3.289460e-14 2.105260e-14
Pr-139 Pu-239 High 1.541000e-09 9.856010e-10
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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