Information about Holmium-163:


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Mass-Energy Data:

Atomic Mass:	162.928730	±	0.000003	amu
Excess Mass (Δ):	-66.387301	±	0.003011	MeV
Binding Energy:	1329.595241	±	0.003019	MeV
β^- Decay Energy:	-1.209999	±	0.004674	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: 4570 years ( 1.44138×10⁺¹¹ sec., λ = 4.80892×10^-12 s^-1)
Mode of decay:
E.C.
to
163
66
Dy
(Q = 0.003 MeV)
Meta state at 0.297 Mev
Spin: 1/2+ 4570
Half life: 1.09 s ( 1.09 sec., λ = 0.635915 s^-1)
Mode of decay: γ (IT) (Q = 0.298 MeV)
Possible parent nuclides:
E.C. from
163
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	4570 y	7/2-	+4.23(4)		[165Ho]	LRIMS	NP A504 549 (89)
				3.6(6) 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.