element

Information about Bismuth-199:


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

Mass-Energy Data:

Atomic Mass:	198.977577	±	0.000129	amu
Excess Mass (Δ):	-20.886930	±	0.119730	MeV
Binding Energy:	1562.144837	±	0.119731	MeV
β^- Decay Energy:	-5.606000	±	0.429000	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: 27 min ( 1620 sec., λ = 0.000427869 s^-1)
Mode of decay:
E.C.
to
199
82
Pb
(Q = 4.340 MeV)
Meta state at 0.680 Mev
Spin: (1/2+) 27
Half life: 24.70 min ( 1482 sec., λ = 0.000467711 s^-1)
Mode of decay:
E.C.
to
199
82
Pb
(Q = 5.020 MeV) Branch ratio: >=98.00 %
Mode of decay: γ (IT) (Q = 0.680 MeV) Branch ratio: <=2.00 %
Mode of decay:
α
to
195
81
Tl
(Q = 5.640 MeV) Branch ratio: ~0.01 %
Possible parent nuclides:
E.C. from
199
84
Po

α from
203
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	11.8 h	9/2-	4.6(4)			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.