27-Co-71
Spin
Level energy(keV) Spin & Parity
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ground state
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)
70.952366923 ± 0.000499230 (amu) [mass excess = -44369.925 ± 465.030 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
11036.302 ± 465.035 (keV)
Strong Gamma-rays from Decay of Co- 71 (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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280.5 * 22. B-
566.8 *100. B-
774.4 * 35. 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- 80 MS 3
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- 71 U-235 Thermal 1.477650e-09 9.456940e-10
Co- 71 U-235 Fast 1.137650e-08 7.280970e-09
Co- 71 U-235 High 1.672290e-06 1.070270e-06
Co- 71 U-238 Fast 4.361630e-08 2.791440e-08
Co- 71 U-238 High 7.337990e-07 4.696310e-07
Co- 71 Pu-239 Thermal 1.289790e-09 8.254700e-10
Co- 71 Pu-239 Fast 1.579740e-08 1.011030e-08
Co- 71 Pu-239 High 2.751780e-07 1.761140e-07
Co- 71 Pu-241 Thermal 2.480400e-09 1.587460e-09
Co- 71 Pu-241 Fast 1.568820e-08 1.004040e-08
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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- 71 U-235 Thermal 1.482560e-09 9.488440e-10
Co- 71 U-235 Fast 1.142790e-08 7.313860e-09
Co- 71 U-235 High 1.691540e-06 1.081480e-06
Co- 71 U-238 Fast 4.411370e-08 2.822420e-08
Co- 71 U-238 High 7.406310e-07 4.736020e-07
Co- 71 Pu-239 Thermal 1.291620e-09 8.255920e-10
Co- 71 Pu-239 Fast 1.583590e-08 1.011190e-08
Co- 71 Pu-239 High 2.779840e-07 1.779100e-07
Co- 71 Pu-241 Thermal 2.483510e-09 1.587200e-09
Co- 71 Pu-241 Fast 1.574470e-08 1.007660e-08
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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