element

Information about Strontium-77:


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

Mass-Energy Data:

Atomic Mass:	76.937762	±	0.000162	amu
Excess Mass (Δ):	-57.974770	±	0.150440	MeV
Binding Energy:	649.737197	±	0.150440	MeV
β^- Decay Energy:	-11.046000	±	0.334000	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: 9.0 s ( 9 sec., λ = 0.0770164 s^-1)
Mode of decay:
E.C.
to
77
37
Rb
(Q = 6.850 MeV)
Mode of decay: E.C. +
1
1
p⁺ to
76
36
Kr
(Q = 3.710 MeV) Branch ratio: <0.25 %

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 s	5/2+	-0.348(4)		[87Sr]	CFBLS	PR C46 797 (92)
				+1.40(11) st	[87Sr]	CFBLS	PR C46 797 (92)

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