Information about Neodymium-144:


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Mass-Energy Data:

Atomic Mass:	143.910083	±	0.000003	amu
Excess Mass (Δ):	-83.757479	±	0.002819	MeV
Binding Energy:	1199.086759	±	0.002827	MeV
β^- Decay Energy:	-2.331659	±	0.002230	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: 23.80%
Spin: 0+
Half life: 2.29E+15 years ( 7.22266×10⁺²² sec., λ = 9.59684×10^-24 s^-1)
Mode of decay:
α
to
140
58
Ce
(Q = 1.905 MeV)
Possible parent nuclides:
β^- from
144
59
Pr

E.C. from
144
61
Pm

α from
148
62
Sm

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
697	4.51 ps	2+	0.32(4)			TF	NP A516 119 (90)
			+0.33(8)		[152Sm 122]	TF	HFI 33 37 (87)
			+0.30(4)		[148Nd 302]	"TF/IMPAC, R"	NP A311 507 (78)
				-0.15(6) or -0.28(6)		CER	AuJP 42 345 (89)
				-0.18(12)		CER	PR C3 2049 (71)/NP A151 282 (70)
1314	20 ns	4+	+0.8(8)			IPAC	ArkF 33 329 (67)

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