27-Co-60
Spin
Level energy(keV) Spin & Parity
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ground state 5+
5.86030E+01 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)
59.933816299 ± 0.000000561 (amu) [mass excess = -61649.720 ± 0.523 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
2822.813 ± 0.212 (keV)
Strong Gamma-rays from Decay of Co- 60 (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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826.28 ~ 8.E-03 B-
1332.50 0.24 B-
2158.77 ~ 7.E-04 B-
58.60 -- IT
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826.10 8.E-03 B-
1173.23 99.85 B-
1332.49 99.98 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- 1925.28 D 14
B- 10.467 M 6
IT 10.467 M 6
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Co- 59 (Z= 27, A= 59), MT=102 (n,γ)
Ni- 60 (Z= 28, A= 60), MT=103 (n,p)
Ni- 61 (Z= 28, A= 61), MT= 28 (n,np)
Ni- 61 (Z= 28, A= 61), MT=104 (n,d)
Ni- 62 (Z= 28, A= 62), MT=105 (n,t)
Cu- 63 (Z= 29, A= 63), MT=107 (n,α)
Zn- 64 (Z= 30, A= 64), MT=112 (n,pα)