Information about Rubidium-91:


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Mass-Energy Data:

Atomic Mass:	90.916534	±	0.000009	amu
Excess Mass (Δ):	-77.747918	±	0.008175	MeV
Binding Energy:	783.291217	±	0.008176	MeV
β^- Decay Energy:	5.891060	±	0.009262	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: 58.4 s ( 58.4 sec., λ = 0.011869 s^-1)
Mode of decay:
β^-
to
91
38
Sr
(Q = 5.861 MeV)
Possible parent nuclides:
β^- from
91
36
Kr

β^- +
1
0
n from
92
36
Kr

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	58 s	3/2(-)	+2.1815(15)		[87Rb]	ABLS	PR C23 2720 (81)
			+2.177(5)		[87Rb]	CFBLS	PL 82B 47 (79)
			+2.177(3)		[85Rb]	AB	PS 19 516 (79)
				+0.15(3) st		ABLS	PR C23 2720 (81)
				0.14(3) st		CFBLS	PL 82B 47 (79)

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