Information about Selenium-89:


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Mass-Energy Data:

Atomic Mass:	88.936020	±	0.000320	amu #
Excess Mass (Δ):	-59.597000	±	0.298000	MeV #
Binding Energy:	751.345000	±	0.298000	MeV #
β^- Decay Energy:	8.973000	±	0.304000	MeV #

"The 1995 update to the atomic mass evaluation" by G.Audi and A.H.Wapstra, Nuclear Physics A595 vol. 4 p.409-480, December 25, 1995.

Radioactive Decay Data:

Spin: (5/2+)
Half life: 0.41 s ( 0.41 sec., λ = 1.6906 s^-1)
Mode of decay:
β^-
to
89
35
Br
(Q = 9.000 MeV)
Mode of decay: β^- +
1
0
n to
88
35
Br
(Q = 3.100 MeV) Branch ratio: 7.80 %

R.R.Kinsey, et al.,The NUDAT/PCNUDAT Program for Nuclear Data,paper submitted to the 9 th International Symposium of Capture-Gamma_raySpectroscopy and Related Topics, Budapest, Hungary, Octover 1996.Data extracted from NUDAT database (Jan. 14/1999)