Information about Terbium-166:


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Mass-Energy Data:

Atomic Mass:	165.938050	±	0.000320	amu #
Excess Mass (Δ):	-57.706000	±	0.298000	MeV #
Binding Energy:	1346.693000	±	0.298000	MeV #
β^- Decay Energy:	4.887000	±	0.298000	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:

Half life: 21 s ( 21 sec., λ = 0.033007 s^-1)
Mode of decay: β^- to
166
66
Dy
(Q = 4.900 MeV)

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	5.35 d	3-	1.7(2)		[159Tb]	NO/S	JP G9 213 (83)
			1.9(3)		[159Tb]	NO/S	CzJP B29 361 (79)
			1.4(2)			NO/S	NP 30 452 (62)
				+2.3(8)	[159Tb]		JP G9 213 (83)
				+3.0(9)	[159Tb]		CzJP B29 361 (79)
				+1.4(5)	[159Tb]		NP 30 452 (62)

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