Information about Selenium-79:


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Mass-Energy Data:

Atomic Mass:	78.918500	±	0.000002	amu
Excess Mass (Δ):	-75.916934	±	0.001513	MeV
Binding Energy:	686.951420	±	0.001516	MeV
β^- Decay Energy:	0.151046	±	0.001659	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: 7/2+
Half life: <=650000 years ( 0 sec., λ = inf s^-1)
Mode of decay:
β^-
to
79
35
Br
(Q = 0.151 MeV)
Meta state at 0.096 Mev
Spin: 1/2- <=650000
Half life: 3.92 min ( 235.2 sec., λ = 0.00294705 s^-1)
Mode of decay: γ (IT) (Q = 0.096 MeV) Branch ratio: 99.94 %
Mode of decay:
β^-
to
79
35
Br
(Q = 0.247 MeV) Branch ratio: 0.06 %
Possible parent nuclides:
β^- from
79
33
As

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)

Magnetic Dipole Moments and Electric Quadrupole Moments
Ex(kev)	T_1/2	Spin	m(nm)	Q(b)	Ref. Std.	Method	Reference
0	<6.5x104 y	7/2+	-1.018(15)			MA	PR 92 1532 (53)
				+0.8(2)		"MA, R"	OSpk 12 163 (62)

N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published. 2000 Courtesy of T. Burrows at BNL/NNDC.