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dc.creatorReisner, D. E.en_US
dc.creatorBernath, P. F.en_US
dc.creatorField, R. W.en_US
dc.descriptionAuthor Institution:en_US
dc.description.abstractDoppler-limited laser excitation spectroscopy using narrow band fluorescence detection has been used to obtain a rotaional analysis of the $B^{2} \Sigma ^{+}- X^{2} \Sigma^{+}$ system of Cal. The extreme spectral congestion $(> 20$ lines per $cm^{-1}$) necessitates selective detection of fluorescence produced in the excitation spectrum using a monochromato at a spectral slit width of about $2 cm^{-1}$. The 0-1, 1-2, 2-3, and 0-0 bands have been examined using a single mode tunable laser with Rhodamine 101 dye. Constants for the 0-0 band $(3\sigma$ uncertainties in parentheses), $\nu_{00} = 15716.751(3)$, are presented below: The spin-rotation constant, $\gamma$, which is typically a small parameter, is particularly large in Cal $B^{2} \Sigma ^{+}$ due to the proximity of the $A^{2}\pi$ state.en_US
dc.format.extent86648 bytes
dc.publisherOhio State Universityen_US
dc.titleROTATIONAL ANALYSIS OF THE $B^{2} \Sigma ^{+}- X^{2} \Sigma^{+}$ BAND SYSTEM OF CaIen_US

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