element

Information about Bismuth-201:


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

Mass-Energy Data:

Atomic Mass:	200.976971	±	0.000034	amu
Excess Mass (Δ):	-21.451632	±	0.031449	MeV
Binding Energy:	1578.852184	±	0.031450	MeV
β^- Decay Energy:	-4.879000	±	0.107000	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: 9/2-
Half life: 108 min ( 6480 sec., λ = 0.000106967 s^-1)
Mode of decay:
E.C.
to
201
82
Pb
(Q = 3.840 MeV)
Mode of decay:
α
to
197
81
Tl
(Q = 0 4.500 MeV) Branch ratio: <0.00010 %
Meta state at 0.846 Mev
Spin: 1/2+ 108
Half life: 59.1 min ( 3546 sec., λ = 0.000195473 s^-1)
Mode of decay:
E.C.
to
201
82
Pb
(Q = 4.686 MeV) Branch ratio: >93.00 %
Mode of decay: γ (IT) (Q = 0.846 MeV) Branch ratio: <=6.80 %
Mode of decay:
α
to
197
81
Tl
(Q = 5.346 MeV) Branch ratio: ~0.30 %
Possible parent nuclides:
E.C. from
201
84
Po

α from
205
85
At

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	108 m	9/2-	4.8(3)			NO/S	HFI 43 401 (88)

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