39-Y-84
Spin
Level energy(keV) Spin & Parity
----------------------------------------
ground state 1+
5.00000E+02 (5-)
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)
83.920672086 ± 0.000004631 (amu) [mass excess = -73893.476 ± 4.314 (keV) ]
Beta-decay energy (calculated as M(A,Z)-M(A,Z+1), taken from Ame2012)
-2472.943 ± 6.977 (keV)
Strong Gamma-rays from Decay of Y- 84 (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
----------------------------------------------------------
793.0 30. EC
1279. -- EC
1454. -- EC
----------------------------------------------------------
793.1 98.3 EC
974.3 77.66 EC
1039.7 56.03 EC
----------------------------------------------------------
*: 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 39.5 M 8
EC 4.6 S 2
Evaluated Data Libraries
Links to the libraries.
Parent Nuclides by Reactions in JENDL-4.0