Information about Gadolinium-158:


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

Mass-Energy Data:

Atomic Mass:	157.924101	±	0.000003	amu
Excess Mass (Δ):	-70.699888	±	0.002952	MeV
Binding Energy:	1295.898274	±	0.002960	MeV
β^- Decay Energy:	-1.220003	±	0.000888	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: 24.84%
Spin: 0+
Stable Isotope
Possible parent nuclides:
β^- from
158
63
Eu

E.C. from
158
65
Tb

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	2.52 ns	2+	+0.78(6)		[158Gd 261]	TF	ZP A338 135 (91)
			+0.762(8)			"ME, R"	ZP A331 277 (88)/ Th Rork (71)
				-2.01(4) a		Mu-X	PR C27 1772 (83)
				-1.96(4)	[157Gd]	ME	NP A233 385 (74)
		2+	+0.9(2)		[158Gd 261]	TF	ZP A338 135 (91)
			+0.8(2)		[156Gd 89]	TF	ZP A338 135 (91)
261	148 ps	4+	+1.60(12)		[158Gd 261]	TF	HFI 59 125 (90)
			+1.4(2)		{156Gd 89}	TF	HFI 59 125 (90)
			+1.55(12)		{156Gd 89]	TF	ZP A338 135 (91)
			+1.64(6)			IPAC	ZP A331 277 (88)
539	16 ps	6+	+2.5(2)		{158Gd 261}	TF
			2.4(3)		[158Gd 261]	TF	ZP A338 135 (91)
			2.3(3)		[156Gd 89]	TF	ZP A338 135 (91)
904	5.1	8+	3.4(4)		{158Gd 261}	TF
gsb		<10+	g(10+)/g(2+) =0.83(11)			TF	NP A406 339 (83)
			ax10*3=-1.7(11)

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