Information about Xenon-140:


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Mass-Energy Data:

Atomic Mass:	139.921636	±	0.000065	amu
Excess Mass (Δ):	-72.995897	±	0.060629	MeV
Binding Energy:	1160.734006	±	0.060629	MeV
β^- Decay Energy:	4.060000	±	0.060000	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: 13.60 s ( 13.6 sec., λ = 0.0509667 s^-1)
Mode of decay:
β^-
to
140
55
Cs
(Q = 4.060 MeV)
Possible parent nuclides:
β^- from
140
53
I

β^- +
1
0
n from
141
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)