Information about Tellurium-129:


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Mass-Energy Data:

Atomic Mass:	128.906596	±	0.000003	amu
Excess Mass (Δ):	-87.005631	±	0.003023	MeV
Binding Energy:	1087.523897	±	0.003029	MeV
β^- Decay Energy:	1.497942	±	0.003116	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: 69.6 min ( 4176 sec., λ = 0.000165984 s^-1)
Mode of decay:
β^-
to
129
53
I
(Q = 1.498 MeV)
Meta state at 0.105 Mev
Spin: 11/2- 69.6
Half life: 33.6 days ( 2.90304×10⁺⁰⁶ sec., λ = 2.38766×10^-07 s^-1)
Mode of decay: γ (IT) (Q = 0.105 MeV) Branch ratio: 63.00 %
Mode of decay:
β^-
to
129
53
I
(Q = 1.604 MeV) Branch ratio: 37.00 %
Possible parent nuclides:
β^- from
129
51
Sb

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	69.5 m	3/2+	0.702(4)		[125Te 36]	NMR/ON	PR C20 1171 (79)
				0.055(13)	[125Te 36]	NO/ME	HFI 35 1023 (87)
106	33.5 d	11/2-	-1.091(7)		[125Te 36]	NMR/ON	PR C20 1171 (79)

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