element

Information about Gold-185:


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

Mass-Energy Data:

Atomic Mass:	184.965807	±	0.000226	amu
Excess Mass (Δ):	-31.850611	±	0.210485	MeV
Binding Energy:	1463.239412	±	0.210485	MeV
β^- Decay Energy:	-5.753000	±	0.348000	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: 4.25 min ( 255 sec., λ = 0.00271822 s^-1)
Mode of decay:
E.C.
to
185
78
Pt
(Q = 4.710 MeV) Branch ratio: 99.74 %
Mode of decay:
α
to
181
77
Ir
(Q = 5.180 MeV) Branch ratio: 0.26 %
Meta state at 0.000 Mev 4.25
Half life: 6.8 min ( 408 sec., λ = 0.00169889 s^-1)
Mode of decay:
E.C.
to
185
78
Pt
(Q = 4.710 MeV) Branch ratio: <100.00 %
Mode of decay: γ (IT) to
185
79
Au
Possible parent nuclides:
E.C. from
185
80
Hg

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	4.2 m	5/2-	+2.17(2)			LRIMS	NP A493 224 (89)/PRL 58 1516 (87)
			+1.98(2)			LRIMS	NIMPR B70 537 (92)
			2.22(14)			NO/S	HFI 22 507 (85)
				-1.10(10))		LRIMS	NIMPR B70 537 (92)

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