Information about Antimony-126:


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Mass-Energy Data:

Atomic Mass:	125.907248	±	0.000034	amu
Excess Mass (Δ):	-86.397776	±	0.031850	MeV
Binding Energy:	1063.484426	±	0.031851	MeV
β^- Decay Energy:	3.672517	±	0.031881	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: (8)-
Half life: 12.46 days ( 1.07654×10⁺⁰⁶ sec., λ = 6.43863×10^-07 s^-1)
Mode of decay:
β^-
to
126
52
Te
(Q = 3.670 MeV)
Meta state at 0.018 Mev
Spin: (5)+ 12.46
Half life: 19.15 min ( 1149 sec., λ = 0.000603261 s^-1)
Mode of decay:
β^-
to
126
52
Te
(Q = 3.688 MeV) Branch ratio: 86.00 %
Mode of decay: γ (IT) (Q = 0.018 MeV) Branch ratio: 14.00 %
Meta state at 0.040 Mev
Spin: (3)- 9.15
Half life: 11 s ( 11 sec., λ = 0.0630134 s^-1)
Possible parent nuclides:
β^- from
126
50
Sn

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	12.4 d	(8)-	1.28(7)			NO/S	PR C6 2268 (72)

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