27-Co-61
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)
60.932476620 ± 0.000000952 (amu) [mass excess = -62897.623 ± 0.887 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
1323.699 ± 0.793 (keV)
Strong Gamma-rays from Decay of Co- 61 (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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67.42 84.67 B-
841.7 0.79 B-
909.2 3.62 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- 1.650 H 5
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Ni- 61 (Z= 28, A= 61), MT=103 (n,p)
Ni- 62 (Z= 28, A= 62), MT= 28 (n,np)
Ni- 62 (Z= 28, A= 62), MT=104 (n,d)
Cu- 65 (Z= 29, A= 65), MT= 22 (n,nα)
Zn- 65 (Z= 30, A= 65), MT=112 (n,pα)