Information about Promethium-145:


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Mass-Energy Data:

Atomic Mass:	144.912744	±	0.000004	amu
Excess Mass (Δ):	-81.278541	±	0.003511	MeV
Binding Energy:	1203.896791	±	0.003517	MeV
β^- Decay Energy:	-0.616399	±	0.002412	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: 5/2+
Half life: 17.7 years ( 5.58258×10⁺⁰⁸ sec., λ = 1.24163×10^-09 s^-1)
Mode of decay:
E.C.
to
145
60
Nd
(Q = 0.163 MeV)
Mode of decay:
α
to
141
59
Pr
(Q = 2.322 MeV) Branch ratio: 3E-07 %
Possible parent nuclides:
E.C. from
145
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
0	17.7 y	5/2+	+3.80(16)		[147Pm]	CFBLS	JP B25 571 (92)
				+0.21(8)	[147Pm]	CFBLS	JP B25 571 (92)

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