21-Sc-44
Spin
Level energy(keV) Spin & Parity
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ground state 2+
2.71130E+02 6+
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)
43.959402875 ± 0.000001884 (amu) [mass excess = -37815.978 ± 1.756 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
-267.407 ± 1.890 (keV)
Strong Gamma-rays from Decay of Sc- 44 (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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270.9 86.75 IT
1001.83 1.2 EC
1126.06 1.2 EC
1157.00 1.2 EC
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1157.02 99.9 EC
1499.46 0.91 EC
2656.48 0.11 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 3.97 H 4
EC 58.61 H 10
IT 58.61 H 10
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Sc- 45 (Z= 21, A= 45), MT= 16 (n,2n)
Ti- 46 (Z= 22, A= 46), MT=105 (n,t)