element

Information about Rhenium-186:


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

Mass-Energy Data:

Atomic Mass:	185.954987	±	0.000003	amu
Excess Mass (Δ):	-41.929771	±	0.002832	MeV
Binding Energy:	1484.519309	±	0.002844	MeV
β^- Decay Energy:	1.069517	±	0.000910	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: 3.7183 days ( 321261 sec., λ = 2.15758×10^-06 s^-1)
Mode of decay:
β^-
to
186
76
Os
(Q = 1.069 MeV) Branch ratio: 92.53 %
Mode of decay:
E.C.
to
186
74
W
(Q = 0.582 MeV) Branch ratio: 7.47 %
Meta state at 0.149 Mev
Spin: (8+) 3.7183
Half life: 200000 years ( 6.308×10⁺¹² sec., λ = 1.09884×10^-13 s^-1)
Mode of decay: γ (IT) (Q = 0.149 MeV)

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	90.6 h	1-	+1.739(6)			AB/D	PR 138 B310 (65)
				+0.618(6)	[187Re]	AB	ZP A302 281 (81)/ PR 138 B310 (65)
				+0.60(6)	[187Re]	NO/S	HFI 15 105 (83)
				+0.54(9)	[187Re]	"NO/S, R"	HFI 22 19 (85)/ZP A310 233 (83)
314	23.1 ns	3+	+2.18(6)		[19F 197]	TDPAD	IzF 44 1988 (80)
330	17.8 ns	5+	+4.62(11)		[19F 197]	TDPAD	IzF 44 1988 (80)

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