27-Co-57
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)
56.936290574 ± 0.000000664 (amu) [mass excess = -59344.948 ± 0.619 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
-3261.729 ± 0.642 (keV)
Strong Gamma-rays from Decay of Co- 57 (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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14.41 9.16 EC
122.06 85.6 EC
136.47 10.68 EC
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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
EC 271.74 D 6
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Ni- 58 (Z= 28, A= 58), MT= 28 (n,np)
Ni- 58 (Z= 28, A= 58), MT=104 (n,d)
Ni- 59 (Z= 28, A= 59), MT= 32 (n,nd)
Ni- 59 (Z= 28, A= 59), MT=105 (n,t)