Information about Cesium-134:


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

Mass-Energy Data:

Atomic Mass:	133.906713	±	0.000003	amu
Excess Mass (Δ):	-86.895877	±	0.002952	MeV
Binding Energy:	1125.423696	±	0.002958	MeV
β^- Decay Energy:	2.058669	±	0.000399	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: 4+
Half life: 2.0648 years ( 6.51238×10⁺⁰⁷ sec., λ = 1.06435×10^-08 s^-1)
Mode of decay:
β^-
to
134
56
Ba
(Q = 2.059 MeV)
Mode of decay:
E.C.
to
134
54
Xe
(Q = 1.229 MeV) Branch ratio: 0.00030 %
Meta state at 0.139 Mev
Spin: 8- 2.0648
Half life: 2.903 h ( 10450.8 sec., λ = 6.63248×10^-05 s^-1)
Mode of decay: γ (IT) (Q = 0.139 MeV)

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	2.06 y	4+	+2.9937(9)		[133Cs]	AB/D	PR 105 590 (57)
			+2.99(2)		[133Cs]	ABLS	NP A367 1 (81)
				+0.389(3) st		"OD, R"	NP A248 157 (75)
				+0.38(4) st		ABLS	NP A367 1 (81)
11	47 ns	5+	+3.35(7)			TDPAC	Cf70Delft 549 (70)
139	2.90 h	8-	+1.0978(2)		[133Cs]	AB/D	PR 127 517 (62)
			+1.111(6)		[133Cs]	ABLS	NP A367 1 (81)
				+0.98(8) 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.