Information about Bromine-77:


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Mass-Energy Data:

Atomic Mass:	76.921380	±	0.000003	amu
Excess Mass (Δ):	-73.233933	±	0.003161	MeV
Binding Energy:	667.343420	±	0.003163	MeV
β^- Decay Energy:	-3.062526	±	0.009215	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: 3/2-
Half life: 57.036 h ( 205330 sec., λ = 3.37578×10^-06 s^-1)
Mode of decay:
E.C.
to
77
34
Se
(Q = 1.365 MeV)
Meta state at 0.105 Mev
Spin: 9/2+ 57.036
Half life: 4.28 min ( 256.8 sec., λ = 0.00269917 s^-1)
Mode of decay: γ (IT) (Q = 0.106 MeV)
Possible parent nuclides:
E.C. from
77
36
Kr

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	57 h	3/2-	0.92(5)			NO/S	PR C46 2228 (92)
			0.9731(6)			NMR/ON	ARINST 22 (91)
			0.9738(5)			NMR/ON	HFI 75 275 (92)
130	9.3 ns	5/2+	+1.98(2)			TDPAC	ZP A340 349 (91)
				0.4*		TDPAC	ARHMI 50 (77)

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