40-Zr-87
Spin
Level energy(keV) Spin & Parity
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ground state (9/2)+
3.35840E+02 (1/2)-
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)
86.914817988 ± 0.000004501 (amu) [mass excess = -79346.533 ± 4.194 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
-5473.234 ± 7.979 (keV)
Strong Gamma-rays from Decay of Zr- 87 (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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1024. 0.78 B+
1210. 0.92 B+
1227. 2.8 B+
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135.06 27.2 IT
201.15 96.4 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+ 1.68 H 1
IT 14.0 S 2
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0