Information about Cesium-143:


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Mass-Energy Data:

Atomic Mass:	142.927330	±	0.000024	amu
Excess Mass (Δ):	-67.691387	±	0.022284	MeV
Binding Energy:	1178.861111	±	0.022285	MeV
β^- Decay Energy:	6.253219	±	0.020325	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: 1.78 s ( 1.78 sec., λ = 0.389409 s^-1)
Mode of decay:
β^-
to
143
56
Ba
(Q = 6.243 MeV)
Mode of decay: β^- +
1
0
n to
142
56
Ba
(Q = 2.048 MeV) Branch ratio: 1.62 %
Possible parent nuclides:
β^- from
143
54
Xe

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	1.78 s	3/2+	+0.870(4)		[133Cs]	ABLS	NP A367 1 (81)
				+0.47(3) st		ABLS	NP A367 1 (81)

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