Information about Xenon-138:


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Mass-Energy Data:

Atomic Mass:	137.913989	±	0.000040	amu
Excess Mass (Δ):	-80.119139	±	0.037035	MeV
Binding Energy:	1151.714602	±	0.037036	MeV
β^- Decay Energy:	2.774000	±	0.035777	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: 14.08 min ( 844.8 sec., λ = 0.000820487 s^-1)
Mode of decay:
β^-
to
138
55
Cs
(Q = 2.770 MeV)
Possible parent nuclides:
β^- from
138
53
I

β^- +
1
0
n from
139
53
I

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)