Abstract

The high-resolution laser-induced fluorescence spectra of the Ne·OH A˜(0,11,1)X˜(0,00,0) and Ne·OD A˜(0,00,0)X˜(0,00,0),A˜(0,00,1)X˜(0,00,0),A˜(0,10,1)X˜(0,00,0),A˜(0,11,1)X˜(0,00,0) transitions were obtained. Analyses of these spectra determine precise bond lengths and reveal interesting spin–rotation and parity structure. In the à (0, 1K=0,1, 1) levels of Ne·OH and Ne·OD, the spin–rotation structure is described with the parameter γ, whose magnitude is larger than in the other observed levels of Ne·OH, Ne·OD, and Ar·OH, and Ar·OD. For the K = 1 level an additional term κ is introduced and is found to be an order of magnitude larger than γ. A model based on perturbation theory is proposed and successfully explains the peculiar spin–rotation structure in the à (0, 1K, 1) levels. In addition, a parity-splitting (P-type doubling) for the X˜(0,00,0) level of Ne·OD was determined to be a factor of 10 larger than that in Ar·OD. The parity splitting (K-type doubling) for the à (0, 11, 1) level of Ne·OH is also observed and measured.

© 1994 Optical Society of America

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