element

Information about Tantalum-171:


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

Mass-Energy Data:

Atomic Mass:	170.944460	±	0.000220	amu #
Excess Mass (Δ):	-51.735000	±	0.205000	MeV #
Binding Energy:	1374.820000	±	0.205000	MeV #
β^- Decay Energy:	-4.657000	±	0.347000	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: (5/2-)
Half life: 23.3 min ( 1398 sec., λ = 0.000495813 s^-1)
Mode of decay:
E.C.
to
171
72
Hf
(Q = 3.700 MeV)
Possible parent nuclides:
E.C. from
171
74
W

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
184	45 ns	9/2-		(+)3.1(2)	[181Ta]	TDPAD	HFI 96 223 (95)

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