Information about Krypton-90:


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Mass-Energy Data:

Atomic Mass:	89.919524	±	0.000020	amu
Excess Mass (Δ):	-74.963083	±	0.019079	MeV
Binding Energy:	773.217413	±	0.019079	MeV
β^- Decay Energy:	4.391865	±	0.017313	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: 0+
Half life: 32.32 s ( 32.32 sec., λ = 0.0214464 s^-1)
Mode of decay:
β^-
to
90
37
Rb
(Q = 4.392 MeV)
Possible parent nuclides:
β^- from
90
35
Br

β^- +
1
0
n from
91
35
Br

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)