27-Co-67
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)
66.940609627 ± 0.000006917 (amu) [mass excess = -55321.775 ± 6.443 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
8420.904 ± 7.061 (keV)
Strong Gamma-rays from Decay of Co- 67 (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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313.1 3. B-
694.1 94.5 B-
2155. 5.5 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- 0.425 S 20
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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Co- 67 U-235 Thermal 1.996820e-09 1.277970e-09
Co- 67 U-235 Fast 1.297320e-08 8.302860e-09
Co- 67 U-235 High 3.424690e-06 2.191800e-06
Co- 67 U-238 Fast 1.180440e-07 7.554820e-08
Co- 67 U-238 High 8.188910e-07 5.240900e-07
Co- 67 Pu-239 Thermal 1.859710e-09 1.190220e-09
Co- 67 Pu-239 Fast 1.409780e-08 9.022540e-09
Co- 67 Pu-239 High 4.983230e-07 3.189270e-07
Co- 67 Pu-241 Thermal 2.330380e-09 1.491440e-09
Co- 67 Pu-241 Fast 7.474380e-09 4.783600e-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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Co- 67 U-235 Thermal 2.688100e-09 1.720390e-09
Co- 67 U-235 Fast 1.815570e-08 1.161970e-08
Co- 67 U-235 High 4.536170e-06 2.898880e-06
Co- 67 U-238 Fast 1.947500e-07 1.246400e-07
Co- 67 U-238 High 1.067160e-06 6.829840e-07
Co- 67 Pu-239 Thermal 2.042440e-09 1.305580e-09
Co- 67 Pu-239 Fast 1.644320e-08 1.049590e-08
Co- 67 Pu-239 High 6.128100e-07 3.916810e-07
Co- 67 Pu-241 Thermal 2.577320e-09 1.649490e-09
Co- 67 Pu-241 Fast 9.503470e-09 6.082220e-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