Information about Tungsten-186:


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

Mass-Energy Data:

Atomic Mass:	185.954362	±	0.000003	amu
Excess Mass (Δ):	-42.511327	±	0.002899	MeV
Binding Energy:	1485.883217	±	0.002910	MeV
β^- Decay Energy:	-0.581556	±	0.001716	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:

Atomic Percent Abundance: 28.426%
Spin: 0+
Stable Isotope
Possible parent nuclides:
β^- from
186
73
Ta

E.C. from
186
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
123	1.05 ns	2+	0.62(3)			TF	NP A528 447 (91)
			+0.62(2)		[182W 100]	"ME, RIGV"	PR 170 1066 (68)/NP A151 401 (70)
				-1.6(3)		CER	BAPS 22 1032 (77)
396	36 ps	4+	+1.28(10)		[186W 123]	TF	ZP A320 669 (85)
				-2.6(13)		CER	ORNL-4513 56 (70)
737	4.4 ps	2+	+0.39(8)		[186W 123]	TF	ZP A320 669 (85)
				1.2(3)		CER	NP A291 510 (77)
				+1.3(3)		CER	NP A289 253 (77)
				0.7(4)		CER	ORNL-4513 56 (70)
809	3.5 ps	6+	+1.9(4)		[186W 123]	TF	ZP A320 669 (85)

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