66-Dy-169
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)
168.940313531 ± 0.000322788 (amu) [mass excess = -55597.587 ± 300.675 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
3200.000 ± 300.000 (keV)
Strong Gamma-rays from Decay of Dy-169 (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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1578.2 20. 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- 39 S 8
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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Dy-169 U-235 Thermal 1.737240e-10 1.111830e-10
Dy-169 U-235 Fast 3.762240e-10 2.407830e-10
Dy-169 U-235 High 3.624970e-07 2.319980e-07
Dy-169 U-238 Fast 4.781780e-08 3.060340e-08
Dy-169 U-238 High 5.485970e-07 3.511020e-07
Dy-169 Pu-239 Thermal 9.708470e-09 6.213420e-09
Dy-169 Pu-239 Fast 1.649730e-07 1.055830e-07
Dy-169 Pu-239 High 1.611040e-07 1.031070e-07
Dy-169 Pu-241 Thermal 1.960320e-08 1.254600e-08
Dy-169 Pu-241 Fast 3.777160e-07 2.417380e-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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Dy-169 U-235 Thermal 2.155480e-10 1.379500e-10
Dy-169 U-235 Fast 5.473520e-10 3.503060e-10
Dy-169 U-235 High 4.147850e-07 2.654620e-07
Dy-169 U-238 Fast 1.688990e-07 7.605060e-08
Dy-169 U-238 High 1.241380e-06 3.968040e-07
Dy-169 Pu-239 Thermal 1.150110e-08 7.359910e-09
Dy-169 Pu-239 Fast 1.864700e-07 1.193410e-07
Dy-169 Pu-239 High 1.718010e-07 1.099530e-07
Dy-169 Pu-241 Thermal 3.925220e-08 2.508810e-08
Dy-169 Pu-241 Fast 5.474300e-07 3.500800e-07
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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