91-Pa-234
Spin
Level energy(keV) Spin & Parity
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ground state 4+
7.39200E+01 (0-)
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)
234.043307161 ± 0.000005060 (amu) [mass excess = 40340.361 ± 4.714 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
2193.533 ± 4.489 (keV)
Strong Gamma-rays from Decay of Pa-234 (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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742.81 0.11 B-
766.42 0.32 B-
1001.03 0.84 B-
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131.30 18.9 B-
883.24 10.04 B-
946.00 14.04 B-
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< 10. -- IT
73.92 -- 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- 6.70 H 5
B- 1.159 M 11
IT 1.159 M 16
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Pa-233 (Z= 91, A=233), MT=102 (n,γ)