Information about Tellurium-127:


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Mass-Energy Data:

Atomic Mass:	126.905217	±	0.000004	amu
Excess Mass (Δ):	-88.289512	±	0.003317	MeV
Binding Energy:	1072.665132	±	0.003321	MeV
β^- Decay Energy:	0.697568	±	0.004119	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: 9.35 h ( 33660 sec., λ = 2.05926×10^-05 s^-1)
Mode of decay:
β^-
to
127
53
I
(Q = 0.698 MeV)
Meta state at 0.088 Mev
Spin: 11/2- 9.35
Half life: 109 days ( 9.4176×10⁺⁰⁶ sec., λ = 7.36013×10^-08 s^-1)
Mode of decay: γ (IT) (Q = 0.088 MeV) Branch ratio: 97.60 %
Mode of decay:
β^-
to
127
53
I
(Q = 0.786 MeV) Branch ratio: 2.40 %
Possible parent nuclides:
β^- from
127
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	9.4 h	3/2+	0.635(4)		[125Te 36]	NMR/ON	PR C20 1171 (79)
88	109 d	11/2-	-1.041(6)		[125Te 36]	NMR/ON	PR C21 439 (80)
341	411 ps	9/2-	-0.96(6)			IPAC	NP A224 358 (74)
			-0.98(15)			IPAC	PR C31 593 (85)

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