Information about Barium-142:


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Mass-Energy Data:

Atomic Mass:	141.916448	±	0.000007	amu
Excess Mass (Δ):	-77.828012	±	0.006391	MeV
Binding Energy:	1180.144060	±	0.006394	MeV
β^- Decay Energy:	2.211074	±	0.004486	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: 0+
Half life: 10.6 min ( 636 sec., λ = 0.00108985 s^-1)
Mode of decay:
β^-
to
142
57
La
(Q = 2.211 MeV)
Possible parent nuclides:
β^- from
142
55
Cs

β^- +
1
0
n from
143
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
359	66 ps	2+	0.85(10)			"IPAC, R"	PR C37 1253 (88)/PR C34 1983 (86)

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