Information about Cesium-146:


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Mass-Energy Data:

Atomic Mass:	145.940162	±	0.000086	amu
Excess Mass (Δ):	-55.738704	±	0.080156	MeV
Binding Energy:	1191.122397	±	0.080156	MeV
β^- Decay Energy:	9.366528	±	0.037314	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: 0.321 s ( 0.321 sec., λ = 2.15934 s^-1)
Mode of decay:
β^-
to
146
56
Ba
(Q = 9.370 MeV)
Mode of decay: β^- +
1
0
n to
145
56
Ba
(Q = 4.260 MeV) Branch ratio: 14.20 %

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	0.34 s	1	-0.515(2)		[133Cs]	ABLS	NP A468 1 (87)
				+0.22(3) st		ABLS	NP A468 1 (87)

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