Information about Thulium-166:


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

Mass-Energy Data:

Atomic Mass:	165.933553	±	0.000012	amu
Excess Mass (Δ):	-61.894849	±	0.011472	MeV
Binding Energy:	1347.752050	±	0.011474	MeV
β^- Decay Energy:	-0.304124	±	0.013625	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: 2+
Half life: 7.70 h ( 27720 sec., λ = 2.50053×10^-05 s^-1)
Mode of decay:
E.C.
to
166
68
Er
(Q = 3.040 MeV)
Possible parent nuclides:
E.C. from
166
70
Yb

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	7.7 h	2+	+0.092(1)		[169Tm]	"AB, LRIMS"	NP A477 37 (88)/NP A198 380 (72)
				+2.14(3) st	[170Tm]	LRIMS	NP A477 37 (88)

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