element

Information about Mercury-189:


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

Mass-Energy Data:

Atomic Mass:	188.968132	±	0.000304	amu #
Excess Mass (Δ):	-29.685000	±	0.283000	MeV #
Binding Energy:	1492.577000	±	0.283000	MeV #
β^- Decay Energy:	-5.176558	±	0.200094	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: 3/2-
Half life: 7.6 min ( 456 sec., λ = 0.00152006 s^-1)
Mode of decay:
E.C.
to
189
79
Au
(Q = 3.950 MeV)
Mode of decay: α to
185
78
Pt
(Q = 4.400 MeV) Branch ratio: <3.0E-5 %
Meta state at 0.000 Mev
Spin: 13/2+ 7.6
Half life: 8.6 min ( 516 sec., λ = 0.00134331 s^-1)
Mode of decay:
E.C.
to
189
79
Au
(Q = 3.950 MeV)
Mode of decay: α to
185
78
Pt
(Q = 4.400 MeV) Branch ratio: <3.0E-5 %
Possible parent nuclides:
E.C. from
189
81
Tl

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	7.6 m	3/2-	-0.6086(8)			b-NMR/OP	ZP A325 247 (86)
				-0.8(4)	[201Hg]	b-NMR/OP	ZP A325 247 (86)
0 + x	8.6 m	13/2+	-1.058(6)		[193Hg 141]	CLS	PL 82B 199 (79)
				+0.7(3) st	[201Hg]	b-NMR/OP	ZP A325 247 (86)

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