21-Sc-50
Spin
Level energy(keV) Spin & Parity
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ground state 5+
2.56895E+02 2+,3+
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)
49.952176274 ± 0.000016103 (amu) [mass excess = -44547.514 ± 15.000 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
6883.167 ± 15.005 (keV)
Strong Gamma-rays from Decay of Sc- 50 (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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523.79 88.7 B-
1121.12 99.5 B-
1553.77 100. B-
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1553.77 2.5 B-
256.89 96.63 IT
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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- 102.5 S 5
B- 0.35 S 4
IT 0.35 S 4
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Ti- 50 (Z= 22, A= 50), MT=103 (n,p)
V - 51 (Z= 23, A= 51), MT=111 (n,2p)