Information about Samarium-150:


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Mass-Energy Data:

Atomic Mass:	149.917271	±	0.000003	amu
Excess Mass (Δ):	-77.061132	±	0.002890	MeV
Binding Energy:	1239.253643	±	0.002898	MeV
β^- Decay Energy:	-2.260587	±	0.006466	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: 7.4%
Spin: 0+
Stable Isotope
Possible parent nuclides:
2β^- from
150
60
Nd

β^- from
150
61
Pm

E.C. from
150
63
Eu

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
334	49 ps	2+	+0.77(5)		[152Sm 122]	TF	HFI 33 37 (87)
			+0.82(6)		[152Sm 122]	TF	NP A466 419 (87)
				-1.3(2)	[152Sm 122]	CER	JPJS 34 443 (73)
				-1.3(2)		CERP	PRL 30 453 (73)
773	6.6 ps	4+	+2.6(3)		[150Sm 334]	TF	PR C48 2640 (93)
			+1.4(2)		[152Sm 122]	TF	NP A466 419 (87)
1046	0.73 ps	2+	+0.7(2)		[152Sm 122]	TF	NP A466 419 (87)
1194	1.27 ps	2+	+0.83(14)		[152Sm 122]	TF	NP A466 419 (87)
1279	(1.4 ps)	6+	+2.6(8)		[150Sm 334]	TF	PR C48 2640 (93)
			+2.3(5)		[152Sm 122]	TF	NP A466 419 (87)

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