19-K-49
Spin
Level energy(keV) Spin & Parity
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ground state (3/2+)
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)
48.968210755 ± 0.000000860 (amu) [mass excess = -29611.491 ± 0.801 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
11688.404 ± 0.829 (keV)
Strong Gamma-rays from Decay of K- 49 (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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451.9 * 6.88 B-,N
3831.56 * 86. B-,N
4284. -- B-,N
2023.0 0.4 B-
2249. 1.54 B-
4272. 1.76 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- 1.26 S 5
B-N 1.26 S 5
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0