63-Eu-150
Spin
Level energy(keV) Spin & Parity
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ground state 5(-)
4.21000E+01 0-
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)
149.919707671 ± 0.000006787 (amu) [mass excess = -74791.823 ± 6.322 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
971.780 ± 3.543 (keV)
Strong Gamma-rays from Decay of Eu-150 (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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333.97 96. EC
439.40 80.35 EC
584.27 52.61 EC
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333.9 3.96 EC
406.5 2.81 EC
1165.7 0.26 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
B- 12.8 H 1
EC 36.9 Y 9
EC 12.8 H 1
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Eu-151 (Z= 63, A=151), MT= 16 (n,2n)
Eu-152 (Z= 63, A=152), MT= 17 (n,3n)
Gd-152 (Z= 64, A=152), MT= 32 (n,nd)
Gd-152 (Z= 64, A=152), MT= 41 (n,2np)
Gd-152 (Z= 64, A=152), MT=105 (n,t)
Gd-153 (Z= 64, A=153), MT= 33 (n,nt)
Dy-154 (Z= 66, A=154), 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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Eu-150 U-235 High 1.355120e-10 1.084100e-10
Eu-150 Pu-239 High 1.787500e-08 1.430000e-08
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Eu-150m U-235 High 1.726370e-11 1.381090e-11
Eu-150m Pu-239 High 2.277200e-09 1.821760e-09
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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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Eu-150 U-235 High 1.355120e-10 1.084100e-10
Eu-150 Pu-239 High 1.787500e-08 1.430000e-08
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Eu-150m U-235 High 1.726370e-11 1.381090e-11
Eu-150m Pu-239 High 2.277200e-09 1.821760e-09
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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