Information about Praseodymium-142:


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

Mass-Energy Data:

Atomic Mass:	141.910040	±	0.000003	amu
Excess Mass (Δ):	-83.797314	±	0.003021	MeV
Binding Energy:	1183.766302	±	0.003028	MeV
β^- Decay Energy:	2.162203	±	0.001533	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: 2-
Half life: 19.12 h ( 68832 sec., λ = 1.00701×10^-05 s^-1)
Mode of decay:
β^-
to
142
60
Nd
(Q = 2.162 MeV) Branch ratio: 99.98 %
Mode of decay:
E.C.
to
142
58
Ce
(Q = 0.745 MeV) Branch ratio: 0.02 %
Meta state at 0.004 Mev
Spin: 5- 19.12
Half life: 14.6 min ( 876 sec., λ = 0.000791264 s^-1)
Mode of decay: γ (IT) (Q = 0.004 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	19.2 h	2-	+0.234(1)			"AB, R"	PCan 29n4 47 (73)/BAPS 15 628 (70)
				+0.30(9)		AB	PR 126 1004 (62)/Cf63QEl 595 (63)
4	14.6 m	5-	2.2(1)			AB	PCan 29n4 47 (73)

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