27-Co-66
Spin
Level energy(keV) Spin & Parity
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ground state (3+)
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)
65.939442945 ± 0.000015000 (amu) [mass excess = -56408.533 ± 13.972 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
9597.751 ± 14.042 (keV)
Strong Gamma-rays from Decay of Co- 66 (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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1246.1 69. B-
1425.9 100. B-
1804.7 9. 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- 0.20 S 2
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- 66 U-235 Thermal 2.805530e-10 1.795540e-10
Co- 66 U-235 Fast 2.684460e-09 1.718060e-09
Co- 66 U-235 High 1.492040e-06 9.549090e-07
Co- 66 U-238 Fast 1.250470e-08 8.002980e-09
Co- 66 U-238 High 4.164540e-07 2.665300e-07
Co- 66 Pu-239 Thermal 1.149820e-09 7.358840e-10
Co- 66 Pu-239 Fast 4.549260e-09 2.911530e-09
Co- 66 Pu-239 High 3.392200e-07 2.171010e-07
Co- 66 Pu-241 Thermal 9.911590e-10 6.343430e-10
Co- 66 Pu-241 Fast 9.133130e-10 5.845200e-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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Co- 66 U-235 Thermal 6.631680e-10 2.987800e-10
Co- 66 U-235 Fast 6.720940e-09 4.301400e-09
Co- 66 U-235 High 2.590650e-06 8.287070e-07
Co- 66 U-238 Fast 3.625060e-08 1.633520e-08
Co- 66 U-238 High 7.132950e-07 2.278450e-07
Co- 66 Pu-239 Thermal 1.516460e-09 9.705350e-10
Co- 66 Pu-239 Fast 6.949370e-09 4.447590e-09
Co- 66 Pu-239 High 5.057150e-07 3.236580e-07
Co- 66 Pu-241 Thermal 1.280470e-09 8.191990e-10
Co- 66 Pu-241 Fast 1.678690e-09 1.074360e-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