51-antimony-129

Atomic Mass: 128.9091501 +- 0.0000230 amu
Excess Mass: -84626.131 +- 21.428 keV
Binding Energy: 1085926.750 +- 21.428 keV
Beta Decay Energy: B- 2379.500 +- 21.213 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.

Spin: 7/2+
Half life: 4.40 h
Mode of decay: Beta to Te-129
- Decay energy: 2.380 MeV
Meta state at 1.851 Mev
Spin: 19/2-)
Half life: 17.7 min
Mode of decay: Beta to Te-129
- Branch ratio: 85.00 %
- Decay energy: 4.231 MeV
Mode of decay: IT
- Branch ratio: 15.00 %
- Decay energy: 1.851 MeV
Possible parent nuclides:
Beta from Sn-129

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	4.4 h	7/2+	2.79(2)		[123Sb]	NMR/ON	PR C53 124 (96)

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