element

Information about Tungsten-179:


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

Mass-Energy Data:

Atomic Mass:	178.947072	±	0.000017	amu
Excess Mass (Δ):	-49.302356	±	0.015728	MeV
Binding Energy:	1436.174987	±	0.015730	MeV
β^- Decay Energy:	-2.710000	±	0.050000	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: 37.05 min ( 2223 sec., λ = 0.000311807 s^-1)
Mode of decay:
E.C.
to
179
73
Ta
(Q = 1.060 MeV)
Meta state at 0.222 Mev
Spin: (1/2)- 37.05
Half life: 6.40 min ( 384 sec., λ = 0.00180507 s^-1)
Mode of decay: γ (IT) (Q = 0.222 MeV) Branch ratio: 99.72 %
Mode of decay:
E.C.
to
179
73
Ta
(Q = 1.282 MeV) Branch ratio: 0.28 %
Possible parent nuclides:
E.C. from
179
75
Re

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
3348	750 ns	35/2-		<7		LEMS	ZP A358 267 (97)

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