Information about Hafnium-177:


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

Mass-Energy Data:

Atomic Mass:	176.943220	±	0.000003	amu
Excess Mass (Δ):	-52.890209	±	0.002522	MeV
Binding Energy:	1425.184901	±	0.002534	MeV
β^- Decay Energy:	-1.166000	±	0.003000	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: 18.606%
Spin: 7/2-
Stable Isotope
Meta state at 1.315 Mev
Spin: 23/2+
Half life: 1.08 s ( 1.08 sec., λ = 0.641803 s^-1)
Mode of decay: γ (IT) (Q = 1.315 MeV)
Meta state at 2.740 Mev
Spin: 37/2- 1.08
Half life: 51.4 min ( 3084 sec., λ = 0.000224756 s^-1)
Mode of decay: γ (IT) (Q = 2.740 MeV)
Possible parent nuclides:
β^- from
177
71
Lu

E.C. from
177
73
Ta

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	7/2-	+0.7935(6)			AB/D	PL 43B 479 (73)/ZP 260 157 (73)
				+3.37(3) a		Mu-X	PR C29 1830 (84)
				+3.36(3)	[179Hf]	AB	ZP 260 157 (73)
113	530 ps	9/2-	+1.03(3) d			IPAC	ZP A355 363 (96)
	583 ps	9/2-	+0.91(2)			IPAC	PR C44 2213 (91)
	490 ps	9/2-	+1.08(4)			"IPAC, R"	PR C12 2031 (75)
				1.30(2) a		Mu-X	PR C30 350 (84)
250	97 ps	11/2-	+1.5(5)		[177Hf 113]	IPAC	CJP 46 1523 (68)
321	0.67(2) ns	9/2+	-0.73(9)			IPAC	NP A127 609 (69)

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