element

Information about Gadolinium-147:


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

Mass-Energy Data:

Atomic Mass:	146.919089	±	0.000004	amu
Excess Mass (Δ):	-75.367684	±	0.003512	MeV
Binding Energy:	1211.781519	±	0.003518	MeV
β^- Decay Energy:	-4.608780	±	0.011500	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:

Spin: 7/2-
Half life: 38.06 h ( 137016 sec., λ = 5.05888×10^-06 s^-1)
Mode of decay:
E.C.
to
147
63
Eu
(Q = 2.187 MeV)
Possible parent nuclides:
E.C. from
147
65
Tb

α from
151
66
Dy

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	38.1 h	7/2-	1.02(9)			NO/S	HFI 34 69 (87)
			1.2(2)			NO/S	NP A455 189 (86)
997	22.2 ns	13/2+	+0.49(2)			TDPAD	PL 199B 26 (87)
			-0.24(7)			TDPAD	PRL 42 1451 (79)
				-0.73(7)		TDPAD/TFLD	NP A379 287 (82)/NP A443 135 (85)
2760	4.4 ns	21/2+	+7.6(12)			TDPAD	PRL 42 1451 (79)
3582	27 ns	27/2-	+11.3(2)			TDPAD	PRL 42 1451 (79)
			+11.9(3)			TDPAD	PL 80B 190 (79)
				-1.26(8)		TDPAD/TFLD	NP A379 287 (82)/NP A443 135 (85)
8587	510 ns	49/2+	+10.9(2)			TDPAD	PRL 42 1451 (79)
				-3.24(18)		TDPAD/TFLD	NP A379 287 (82)/NP A443 135 (85)
10993	0.8 ns	59/2-	+11(2)			TF	PR 39C 2237 (89)

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