Information about Arsenic-87:


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Mass-Energy Data:

Atomic Mass:	86.939580	±	0.000540	amu #
Excess Mass (Δ):	-56.281000	±	0.503000	MeV #
Binding Energy:	732.668000	±	0.503000	MeV #
β^- Decay Energy:	10.302000	±	0.505000	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: 0.48 s ( 0.48 sec., λ = 1.44406 s^-1)
Mode of decay: β^- to
87
34
Se
(Q = 10.300 MeV)
Mode of decay: β^- +
1
0
n to
86
34
Se
(Q = 6.200 MeV) Branch ratio: 15.40 %

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)