Information about Cesium-140:


Wikipedia	Neutron Cross Sections	X-Ray Transitions	X-Ray Attenuation

Mass-Energy Data:

Atomic Mass:	139.917277	±	0.000009	amu
Excess Mass (Δ):	-77.055897	±	0.008709	MeV
Binding Energy:	1164.011653	±	0.008711	MeV
β^- Decay Energy:	6.220134	±	0.009879	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: 1-
Half life: 63.7 s ( 63.7 sec., λ = 0.0108814 s^-1)
Mode of decay:
β^-
to
140
56
Ba
(Q = 6.219 MeV)
Possible parent nuclides:
β^- from
140
54
Xe

β^- +
1
0
n from
141
54
Xe

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.