Information about Barium-135:


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Mass-Energy Data:

Atomic Mass:	134.905683	±	0.000003	amu
Excess Mass (Δ):	-87.855940	±	0.002980	MeV
Binding Energy:	1133.672728	±	0.002986	MeV
β^- Decay Energy:	-1.200000	±	0.010000	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:

Atomic Percent Abundance: 6.592%
Spin: 3/2+
Stable Isotope
Meta state at 0.268 Mev
Spin: 11/2-
Half life: 28.7 h ( 103320 sec., λ = 6.70874×10^-06 s^-1)
Mode of decay: γ (IT) (Q = 0.268 MeV)
Possible parent nuclides:
β^- from
135
55
Cs

E.C. from
135
57
La

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	stable	3/2+	+0.83794(2)			OP	ZP 249 205 (72)
			0.838627(2)		[35Cl]	N	ZP A288 11 (78)
				+0.160(3) st		R	ZP A329 407 (88)
				+0.15(2) st		"OL, R"	NP A403 234 (83)/ZP A277 107(76)
				0.150(15)		CFBLS	PR A33 2117 (86)
				0.16(3) st		ABLRFS	PRS A365 567 (79)
				0.22(3)		"ABLS, R"	ZP A306 195 (82)/ZP A209 231 (79)
				0.23(5)		ABLRFS	ZP A306 195 (82)
268	28.7 h	11/2-	-1.001(15)		"[135,137Ba]"	"ABLRFS, R"	NP A403 234 (83)/ZP A291 219 (79)
				+0.98(8) st	"[135,137Ba]"	"ABLRFS, R"	NP A403 234 (83)/ZP A291 219 (79)

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