Information about Rubidium-86:


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Mass-Energy Data:

Atomic Mass:	85.911167	±	0.000003	amu
Excess Mass (Δ):	-82.747319	±	0.002333	MeV
Binding Energy:	747.934005	±	0.002336	MeV
β^- Decay Energy:	1.774243	±	0.001404	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: 2-
Half life: 18.631 days ( 1.60972×10⁺⁰⁶ sec., λ = 4.30602×10^-07 s^-1)
Mode of decay:
β^-
to
86
38
Sr
(Q = 1.774 MeV) Branch ratio: 99.99 %
Mode of decay:
E.C.
to
86
36
Kr
(Q = 0.519 MeV) Branch ratio: 0.0052 %
Meta state at 0.556 Mev
Spin: 6- 18.631
Half life: 1.017 min ( 61.02 sec., λ = 0.0113593 s^-1)
Mode of decay: γ (IT) (Q = 0.556 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	18.65 d	2-	-1.6920(14)			AB/D	PR 123 1801 (61)
			-1.698(2)		[87Rb]	ABLS	PR C23 2720 (81)
				+0.19(3) st		ABLS	PR C23 2720 (81)
				+0.20(3) st		"OD,OL"	ZP 260 87 (73)
556	1.02 m	(6-)	+1.815(1)		[87Rb]	ABLS	PR C23 2720 (81)
				+0.37(10) st		ABLS	PR C23 2720 (81)

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