			15min:

SEARCH FOR THE LOW-LYING ELECTRONICALLY EXCITED STATES OF UO₂.

I. O. ANTONOV, M. C. HEAVEN, Department of Chemistry, Emory University, Atlanta, GA 30322.

Low-lying electronically excited states of UO₂ were studied by laser excitation and dispersed fluorescence spectroscopy. Excitation of UO₂ in 31300-31800 cm^-1 and 27100 cm^-1 region produced highly congested emission spectrum. A search for the low-lying absorption bands was performed in the region of 10000-15000 cm^-1 using two-color REMPI spectroscopy. Several band systems were found near 11500, 12300, 13100 and 13700 cm^-1.