element

Information about Molybdenum-91:


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

Mass-Energy Data:

Atomic Mass:	90.911751	±	0.000012	amu
Excess Mass (Δ):	-82.203631	±	0.011161	MeV
Binding Energy:	783.835164	±	0.011162	MeV
β^- Decay Energy:	-6.220000	±	0.200000	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: 15.49 min ( 929.4 sec., λ = 0.000745801 s^-1)
Mode of decay:
E.C.
to
91
41
Nb
(Q = 4.434 MeV)
Meta state at 0.653 Mev
Spin: 1/2- 15.49
Half life: 65.0 s ( 65 sec., λ = 0.0106638 s^-1)
Mode of decay: γ (IT) (Q = 0.653 MeV) Branch ratio: 50.10 %
Mode of decay:
E.C.
to
91
41
Nb
(Q = 5.087 MeV) Branch ratio: 49.90 %
Possible parent nuclides:
E.C. from
91
43
Tc

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
2267	47 ns	21/2+	+8.81(8)		[90Mo 2875]	TDPAD	PR C27 1532 (83)
			+8.97(9)			TDPAD	NP A293 248 (77)
2279	38 ns	17/2-	+4.51(6)		[90Mo 2875]	TDPAD	PR C27 1532 (83)

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