Information about Xenon-125:


Wikipedia	Neutron Cross Sections	X-Ray Transitions	X-Ray Attenuation

Mass-Energy Data:

Atomic Mass:	124.906398	±	0.000002	amu
Excess Mass (Δ):	-87.189468	±	0.001992	MeV
Binding Energy:	1053.857735	±	0.001999	MeV
β^- Decay Energy:	-3.098740	±	0.007935	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: (1/2)+
Half life: 16.9 h ( 60840 sec., λ = 1.1393×10^-05 s^-1)
Mode of decay:
E.C.
to
125
53
I
(Q = 1.652 MeV)
Meta state at 0.253 Mev
Spin: (9/2)- 16.9
Half life: 57 s ( 57 sec., λ = 0.0121605 s^-1)
Mode of decay: γ (IT) (Q = 0.253 MeV)
Possible parent nuclides:
E.C. from
125
55
Cs

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	17.1 h	1/2+	-0.269(3) d		[129Xe]	CFBLS	PC Neugart (90)
253	57 s	9/2-	-0.7453(8) d		[129Xe]	CFBLS	PC Neugart (90)
				+0.424(15)	[131Xe]	CFBLS	PC Neugart (90)
296	140 ns	7/2+	+0.93(4)			TDPAD	ZP A314 17 (83)
				1.40(15)		TDPAD	ZP A314 17 (83)

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