Information about Rubidium-90:


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

Mass-Energy Data:

Atomic Mass:	89.914809	±	0.000009	amu
Excess Mass (Δ):	-79.354948	±	0.008015	MeV
Binding Energy:	776.826925	±	0.008016	MeV
β^- Decay Energy:	6.586914	±	0.007802	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: 0-
Half life: 158 s ( 158 sec., λ = 0.00438701 s^-1)
Mode of decay:
β^-
to
90
38
Sr
(Q = 6.587 MeV)
Meta state at 0.106 Mev
Spin: 3- 158
Half life: 258 s ( 258 sec., λ = 0.00268662 s^-1)
Mode of decay:
β^-
to
90
38
Sr
(Q = 6.694 MeV) Branch ratio: 97.40 %
Mode of decay: γ (IT) (Q = 0.107 MeV) Branch ratio: 2.60 %
Possible parent nuclides:
β^- from
90
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
107	4.26 m	3-	+1.6160(6)		[87Rb]	ABLS	PR C23 2720 (81)
			+1.612(5)		[85Rb]	AB	PS 19 516 (79)
				+0.20(5) 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.