Information about Xenon-142:


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Mass-Energy Data:

Atomic Mass:	141.929703	±	0.000108	amu
Excess Mass (Δ):	-65.481242	±	0.100558	MeV
Binding Energy:	1169.361997	±	0.100559	MeV
β^- Decay Energy:	5.040000	±	0.100000	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: 1.22 s ( 1.22 sec., λ = 0.568153 s^-1)
Mode of decay:
β^-
to
142
55
Cs
(Q = 5.040 MeV)
Mode of decay: β^- +
1
0
n to
141
55
Cs
(Q = 0.930 MeV) Branch ratio: 0.41 %

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)