element

Information about Tantalum-178:


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

Mass-Energy Data:

Atomic Mass:	177.945750	±	0.000108	amu
Excess Mass (Δ):	-50.533216	±	0.100530	MeV
Binding Energy:	1430.116878	±	0.100531	MeV
β^- Decay Energy:	-0.091300	±	0.002000	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: 1+
Half life: 9.31 min ( 558.6 sec., λ = 0.00124086 s^-1)
Mode of decay:
E.C.
to
178
72
Hf
(Q = 1.910 MeV)
Meta state at 0.000 Mev
Spin: (7)- 9.31
Half life: 2.36 h ( 8496 sec., λ = 8.15851×10^-05 s^-1)
Mode of decay:
E.C.
to
178
72
Hf
(Q = 1.910 MeV)
Meta state at 1.471 Mev
Spin: (15-) 2.36
Half life: 60 ms ( 0.06 sec., λ = 11.5525 s^-1)
Mode of decay: γ (IT) to
178
73
Ta
(Q = 1.471 MeV)
Possible parent nuclides:
E.C. from
178
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
0 + x	9.3 m	1+	2.740(12)		[181Ta 482]	NMR/ON	JPJa 56 492 (87)
			+2.8(2)		[181Ta]	NO/S	HFI 4 206 (78)
				+0.65(6)		NO/S	HFI 16 105 (83)

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