4-beryllium-9

Atomic Mass: 9.0121821 +- 0.0000004 amu
Excess Mass: 11347.584 +- 0.396 keV
Binding Energy: 58164.907 +- 0.396 keV
Beta Decay Energy: B- -1068.116 +- 0.899 keV

"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.

Atomic Percent Abundance: 100%
Spin: 3/2-
Stable Isotope
Possible parent nuclides:
Beta from Li-9

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	stable	3/2-	-1.1778(9)			N/OP	PL A56 446 (76)
			-1.17749(2)		[1H]	N	PR 75 1769 (49)
							PR 82 105 (51)
				+0.053(3) st		AB	PR 153 164 (67)
				+0.0529(4)		R	CPL 177 91 (91)

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