Information about Erbium-164:


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Mass-Energy Data:

Atomic Mass:	163.929197	±	0.000004	amu
Excess Mass (Δ):	-65.952563	±	0.003371	MeV
Binding Energy:	1336.449472	±	0.003378	MeV
β^- Decay Energy:	-3.962552	±	0.018570	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:

Atomic Percent Abundance: 1.61%
Spin: 0+
Stable Isotope
Possible parent nuclides:
β^- from
164
67
Ho

E.C. from
164
69
Tm

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
92	1.48 ns	2+	0.697(15)		[166Er 81]	ME	ZP 208 184 (68)
				< 0		CER	PR C23 240 (81)
299	86 ps	4+	+1.36(8)			TF	NP A600 272 (96)
614		6+	+1.88(9)			TF	NP A600 272 (96)
860	1.9 ps	2+	+0.81(6)			TF	NP A600 272 (96)
				2.4(3)		CER	PR C27 550 (83)
1025	2.6 ps	8+	+2.72(13)			TF	NP A600 272 (96)
15158	1.0 ps	10+	+3.2(3)			TF	NP A600 272 (96)

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