Information about Erbium-168:


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Mass-Energy Data:

Atomic Mass:	167.932368	±	0.000003	amu
Excess Mass (Δ):	-62.998997	±	0.002913	MeV
Binding Energy:	1365.781197	±	0.002922	MeV
β^- Decay Energy:	-1.679106	±	0.001875	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: 26.8%
Spin: 0+
Stable Isotope
Possible parent nuclides:
β^- from
168
67
Ho

E.C. from
168
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
80	1.86 ns	2+	+0.62(6)			IPAC	PR C21 2575 (80)
			+0.658(14)		[166Er 81]	ME	ZP 208 184 (68)
264	121 ps	4+	+1.17(12)			TF	NP A600 272 (96)
			+1.26(16)		[166Er 265]	IMPAC	Cf67HI 731 (67)
				-2.2(10)		CER	ORNL 4513 56 (70)
549	16.8 ps	6+	+1.81(12)			TF	NP A600 272 (96)
			+2.0(3)		[168Er 264]	TF	PR C40 2035 (89)
821	2.9 ps	2+	+0.77(4)			TF	NP A600 272 (96)
			+0.72(14)		[168Er 549]	TF	PR C40 2035 (89)
				2.3(2)		CER	PR C27 550 (83)
928	3.4 ps	8+	+2.4(2)			TF	NP A600 272 (96)
			+2.7(5)		[168Er 549]	TF	PR C40 2035 (89)
1094	112.5 ns	4-	+0.96(4)			TDPAC	PR C21 2575 (80)
1396	1.4 ps	10+	+3.1(4)			TF	NP A600 272 (96)
			+3.2(8)		[168Er 549]	TF	PR C40 2035 (89)

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