Information about Barium-143:


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Mass-Energy Data:

Atomic Mass:	142.920617	±	0.000014	amu
Excess Mass (Δ):	-73.944606	±	0.013331	MeV
Binding Energy:	1184.331977	±	0.013333	MeV
β^- Decay Energy:	4.246250	±	0.017611	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: 5/2-
Half life: 14.33 s ( 14.33 sec., λ = 0.0483704 s^-1)
Mode of decay:
β^-
to
143
57
La
(Q = 4.246 MeV)
Possible parent nuclides:
β^- from
143
55
Cs

β^- +
1
0
n from
144
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	14.5 s	5/2(+)	+0.443(11)		"[135,137Ba]"	CFBLS	ZP A329 407 (88)
			+0.45(2)		"[135,137Ba]"	CFBLS	NP A403 234 (83)
				-0.88(2) st		CFBLS	ZP A329 407 (88)
				-0.81(7) st	"[135,137Ba]"	CFBLS	NP A403 234 (83)

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