55-cesium-140

Atomic Mass: 139.9172771 +- 0.0000093 amu
Excess Mass: -77055.897 +- 8.709 keV
Binding Energy: 1164011.653 +- 8.711 keV
Beta Decay Energy: B- 6220.134 +- 9.879 keV

"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.

Spin: 1-
Half life: 63.7 s
Mode of decay: Beta to Ba-140
- Decay energy: 6.219 MeV
Possible parent nuclides:
Beta from Xe-140
Beta + N from Xe-141

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	65 s	1-	+0.1338953(5)		[133Cs]	ABLS	JPPa 47 1903 (86)
			+0.134(1)		[133Cs]	ABLS	NP A367 1 (81)
			+0.134(2)		[133Cs]	AB	PS 19 516 (79)
			+0.134(3)		[133Cs]	CFBLS	ZP A289 227 (79)
				-0.112(7) st		CFBLS	ZP A289 227 (79)
				-0.10(2) st		ABLS	NP A367 1 (81)

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