Information about Holmium-161:


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Mass-Energy Data:

Atomic Mass:	160.927852	±	0.000004	amu
Excess Mass (Δ):	-67.205734	±	0.003575	MeV
Binding Energy:	1314.271028	±	0.003582	MeV
β^- Decay Energy:	-2.002419	±	0.009389	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: 2.48 h ( 8928 sec., λ = 7.76375×10^-05 s^-1)
Mode of decay:
E.C.
to
161
66
Dy
(Q = 0.859 MeV)
Meta state at 0.211 Mev
Spin: 1/2+ 2.48
Half life: 6.76 s ( 6.76 sec., λ = 0.102537 s^-1)
Mode of decay: γ (IT) (Q = 0.211 MeV)
Possible parent nuclides:
E.C. from
161
68
Er

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	2.48 h	7/2-	+4.25(3)		[165Ho]	LRIMS	NP A504 549 (89)
				3.22(11) st	[165Ho]	LRIMS	NP A504 549 (89)

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