# ABSORPTION SPECTRUM OF CF, 1500-2500{\AA}.

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/15831

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 Title: ABSORPTION SPECTRUM OF CF, 1500-2500{\AA}. Creators: White, William P.; Mathews, C. W. Issue Date: 1969 Abstract: Observation of the CF spectrum in absorption has permitted us to extend the analyses of previously observed A and B $states^{1,2}$ and to obtain preliminary assignments for a new series of bands observed between 1500 and $1950{\AA}$. Rotational analysis of the (2,0) band of the $A ^{2}\Sigma^{+} - X ^{2}II$ system confirms an earlier vibrational $assignment^{3}$ and provides additional information about the predissociation of the $A ^{2}\Sigma^{+}$ state. Our observations of the B-X system supplements earlier unpublished $results^{4}$ and establishes the identity of the upper state as $^{2}\Delta$ (case b). A summary will be presented of our present interpretation of the bands below $1950{\AA}$. These bands are characterized by upper state B values comparable to those of the $A ^{2}\Sigma^{+}$ state and by evidence of predissociation or perturbation. URI: http://hdl.handle.net/1811/15831 Other Identifiers: 1969-S-4