Information about Germanium-81:


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

Mass-Energy Data:

Atomic Mass:	80.928821	±	0.000129	amu
Excess Mass (Δ):	-66.302741	±	0.120128	MeV
Binding Energy:	695.044579	±	0.120128	MeV
β^- Decay Energy:	6.230000	±	0.120000	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: 7.6 s ( 7.6 sec., λ = 0.0912036 s^-1)
Mode of decay:
β^-
to
81
33
As
(Q = 6.230 MeV)
Meta state at 0.679 Mev
Spin: (1/2+) 7.6
Half life: 7.6 s ( 7.6 sec., λ = 0.0912036 s^-1)
Mode of decay:
β^-
to
81
33
As
(Q = 6.909 MeV)
Possible parent nuclides:
β^- from
81
31
Ga

β^- +
1
0
n from
82
31
Ga

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)