Information about Thulium-169:


Wikipedia	Neutron Cross Sections	X-Ray Transitions	X-Ray Attenuation

Mass-Energy Data:

Atomic Mass:	168.934211	±	0.000003	amu
Excess Mass (Δ):	-61.281940	±	0.002900	MeV
Binding Energy:	1371.353110	±	0.002909	MeV
β^- Decay Energy:	-0.909141	±	0.003574	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: 100%
Spin: 1/2+
Stable Isotope
Possible parent nuclides:
β^- from
169
68
Er

E.C. from
169
70
Yb

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	stable	1/2+	-0.2310(15) d			AB	ZP 199 244 (67)
			-0.229(3)			AB/D	PR 128 2238 (62)
			0.24(1)			PMR	JChP 35 1521 (61)
			-0.21(2)			O	ZP 141 476 (55)
8	3.9 ns	3/2+	+0.515(5)		[169Tm]	ME	HFI 1 50 (76)
			+0.513(5)		[169Tm]	ME	JMMM 15/18 651 (80)
				-1.2(1) st		ME	PR 134 A94 (64)/PR C8 391 (73)
118	62 ps	5/2+	+0.76(5)			IPAC	NP A123 386 (69)/NP A119 417 (68)
139	302 ps	7/2+	+1.39(5)			IPAC	NP A123 386 (69)/NP A119 417 (68)
316	660 ns	7/2+	+0.156(8)			TDPAC	NP A181 298 (72)
379	48 ns	7/2-	+3.04(14)			TDPAC	PR C55 1197 (97)
			0.96(8)			TDPAC	Cf67Kanpur A 435 (67)

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