Information about Cesium-128:


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

Mass-Energy Data:

Atomic Mass:	127.907748	±	0.000006	amu
Excess Mass (Δ):	-85.932247	±	0.005505	MeV
Binding Energy:	1076.032130	±	0.005508	MeV
β^- Decay Energy:	-0.522523	±	0.012363	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+
Half life: 3.66 min ( 219.6 sec., λ = 0.00315641 s^-1)
Mode of decay:
E.C.
to
128
54
Xe
(Q = 3.929 MeV)
Possible parent nuclides:
E.C. from
128
56
Ba

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	3.62 m	1+	+0.974(5)		[133Cs]	ABLS	NP A468 1 (87)
			+0.977(10)		[133Cs]	AB	NP A292 144 (77)
				-0.570(8) st		ABLS	NP A468 1 (87)

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