Information about Xenon-131:


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

Mass-Energy Data:

Atomic Mass:	130.905082	±	0.000001	amu
Excess Mass (Δ):	-88.415608	±	0.000972	MeV
Binding Energy:	1103.511812	±	0.000989	MeV
β^- Decay Energy:	-0.352395	±	0.005311	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:

Atomic Percent Abundance: 21.2%
Spin: 3/2+
Stable Isotope
Meta state at 0.164 Mev
Spin: 11/2-
Half life: 11.934 days ( 1.0311×10⁺⁰⁶ sec., λ = 6.72242×10^-07 s^-1)
Mode of decay: γ (IT) (Q = 0.164 MeV)
Possible parent nuclides:
β^- from
131
53
I

E.C. from
131
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	stable	3/2+	+0.6915(2) d		[129Xe]	CFBLS	PC Neugart (90)
			+0.691862(4)		[2H]	N	HPAc 41 367 (68)
				-0.116(4)			PL B216 7 (89)/Hennemann (Mainz 88)
				-0.120(12)		AB	PR 123 198 (61)
164	11.8 d	11/2-	-0.994(2) d		[129Xe]	CFBLS	PC Neugart (90)
			0.9940(5)		[133Xe]	NMR/ON	ZP A326 255 (87)
			-0.994048(6)			"N/OP, NO/S"	PR C34 1974 (86)/ZP 267 145 (74)
				+0.73(3)	[131Xe]	CFBLS	PC Neugart (90)

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