11-Na-24
Spin
Level energy(keV) Spin & Parity
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ground state 4+
4.72207E+02 1+
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)
23.990962950 ± 0.000000038 (amu) [mass excess = -8417.958 ± 0.036 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
5515.611 ± 0.039 (keV)
Strong Gamma-rays from Decay of Na- 24 (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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472.20 -- IT
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1368.63 99.99 B-
2754.01 99.86 B-
3866.22 0.07 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- 20.20 MS 7
B- 14.997 H 12
IT 20.18 MS 10
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Na- 23 (Z= 11, A= 23), MT=102 (n,γ)
Mg- 24 (Z= 12, A= 24), MT=103 (n,p)
Mg- 25 (Z= 12, A= 25), MT= 28 (n,np)
Al- 27 (Z= 13, A= 27), MT=107 (n,α)