element

Information about Lead-201:


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

Mass-Energy Data:

Atomic Mass:	200.972847	±	0.000033	amu
Excess Mass (Δ):	-25.293236	±	0.031154	MeV
Binding Energy:	1583.476141	±	0.031155	MeV
β^- Decay Energy:	-3.841604	±	0.044184	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: 9.33 h ( 33588 sec., λ = 2.06368×10^-05 s^-1)
Mode of decay:
E.C.
to
201
81
Tl
(Q = 1.900 MeV)
Meta state at 0.629 Mev
Spin: 13/2+ 9.33
Half life: 61 s ( 61 sec., λ = 0.0113631 s^-1)
Mode of decay: γ (IT) to
201
82
Pb
(Q = 0.629 MeV) Branch ratio: >99.00 %
Mode of decay:
E.C.
to
201
81
Tl
(Q = 2.529 MeV) Branch ratio: <1.00 %
Possible parent nuclides:
E.C. from
201
83
Bi

α from
205
84
Po

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	9.33 h	5/2-	+0.6753(5)		[207Pb]	ABLRFS	NP A451 471 (86)
				-0.01(4) st		ABLRFS	NP A451 471 (86)
2719	63 ns	25/2-	-0.79(4)			TDPAD	NP A482 573 (88)
				0.46(2)	[206Pb 4027]	TDPAD	AECL-6680 27 (79)
2719+x	508 ns	29/2-	-1.011(6)			TDPAD	NP A482 573 (88)
4639+x	43 ns	41/2(+)	-3.7(8)			TDPAD	NP A482 573 (88)

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