Information about Holmium-160:


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Mass-Energy Data:

Atomic Mass:	159.928726	±	0.000016	amu
Excess Mass (Δ):	-66.391592	±	0.015299	MeV
Binding Energy:	1305.385564	±	0.015301	MeV
β^- Decay Energy:	-0.329045	±	0.053232	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: 5+
Half life: 25.6 min ( 1536 sec., λ = 0.000451268 s^-1)
Mode of decay:
E.C.
to
160
66
Dy
(Q = 3.290 MeV)
Meta state at 0.060 Mev
Spin: 2- 25.6
Half life: 5.02 h ( 18072 sec., λ = 3.83548×10^-05 s^-1)
Mode of decay: γ (IT) (Q = 0.060 MeV) Branch ratio: 65.00 %
Mode of decay:
E.C.
to
160
66
Dy
(Q = 3.350 MeV) Branch ratio: 35.00 %
Meta state at 0.169 Mev
Spin: (9+) 5.02
Half life: 3 s ( 3 sec., λ = 0.231049 s^-1)
Mode of decay: γ (IT) (Q = 0.170 MeV)
Possible parent nuclides:
E.C. from
160
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	25.6 m	5+	+3.71(3)		[165Ho]	LRIMS	NP A504 549 (89)
				+4.0(2) st	[165Ho]	LRIMS	NP A504 549 (89)
60	5.02 h	2-	+2.52(3)		[165Ho]	LRIMS	NP A504 549 (89)
					[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.