element

Information about Europium-142:


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

Mass-Energy Data:

Atomic Mass:	141.923400	±	0.000033	amu
Excess Mass (Δ):	-71.352399	±	0.030539	MeV
Binding Energy:	1168.191973	±	0.030539	MeV
β^- Decay Energy:	-4.500000	±	0.300000	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: 2.4 s ( 2.4 sec., λ = 0.288811 s^-1)
Mode of decay:
E.C.
to
142
62
Sm
(Q = 7.640 MeV)
Meta state at 0.000 Mev
Spin: 8- 2.4
Half life: 1.22 min ( 73.2 sec., λ = 0.00946922 s^-1)
Mode of decay:
E.C.
to
142
62
Sm
(Q = 7.640 MeV)
Possible parent nuclides:
E.C. from
142
64
Gd

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	2.4 s	1+	+1.54(2)		[151Eu]	CFBLS	ZP A321 35 (85)
				+0.12(5)	[153Eu]	CFBLS	ZP A321 35 (85)
180	73 s	8-	+2.978(11)		[151Eu]	CFBLS	ZP A321 35 (85)
				+1.41(6)	[153Eu]	CFBLS	ZP A321 35 (85)
282 + x	6.2 ns	8+	(+)4.1(2)			TDPAD	ZP A346 181 (93)

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