97-Bk-243
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)
243.063007791 ± 0.000005080 (amu) [mass excess = 58691.380 ± 4.732 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
-2300 ± 114 (keV) [derived from systematical trend]
Strong Gamma-rays from Decay of Bk-243 (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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755. * 9.99 EC
840. * 3. EC
946. ~* 7.99 EC
146.4 0.01 Alpha
187.1 0.06 Alpha
536. < 0.01 Alpha
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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
A 4.5 H 2
EC 4.5 H 2
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0
Bk-245 (Z= 97, A=245), MT= 17 (n,3n)
Bk-246 (Z= 97, A=246), MT= 37 (n,4n)