element

Information about Selenium-73:


Wikipedia	Neutron Cross Sections	X-Ray Transitions	X-Ray Attenuation

Mass-Energy Data:

Atomic Mass:	72.926767	±	0.000012	amu
Excess Mass (Δ):	-68.216276	±	0.010719	MeV
Binding Energy:	630.822826	±	0.010719	MeV
β^- Decay Energy:	-4.683635	±	0.132140	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: 9/2+
Half life: 7.15 h ( 25740 sec., λ = 2.69288×10^-05 s^-1)
Mode of decay:
E.C.
to
73
33
As
(Q = 2.740 MeV)
Meta state at 0.026 Mev
Spin: 3/2- 7.15
Half life: 39.8 min ( 2388 sec., λ = 0.000290263 s^-1)
Mode of decay: γ (IT) (Q = 0.026 MeV) Branch ratio: 72.60 %
Mode of decay:
E.C.
to
73
33
As
(Q = 2.766 MeV) Branch ratio: 27.40 %
Possible parent nuclides:
E.C. from
73
35
Br

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	7.1 h	9/2+	0.87(5)			NMR/ON	PR C38 2329 (88)
			0.85(7)			NMR/ON	JPJa 3512 (87)

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