Information about Germanium-79:


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Mass-Energy Data:

Atomic Mass:	78.925402	±	0.000096	amu
Excess Mass (Δ):	-69.487989	±	0.089616	MeV
Binding Energy:	682.087182	±	0.089616	MeV
β^- Decay Energy:	4.148000	±	0.089443	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: (1/2)-
Half life: 18.98 s ( 18.98 sec., λ = 0.0365199 s^-1)
Mode of decay:
β^-
to
79
33
As
(Q = 4.150 MeV)
Meta state at 0.186 Mev
Spin: (7/2+) 18.98
Half life: 39.0 s ( 39 sec., λ = 0.017773 s^-1)
Mode of decay:
β^-
to
79
33
As
(Q = 4.336 MeV) Branch ratio: 96.00 %
Mode of decay: γ (IT) (Q = 0.186 MeV) Branch ratio: 4.00 %
Possible parent nuclides:
β^- from
79
31
Ga

β^- +
1
0
n from
80
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)