DETERMINATION OF MOLECULAR CONSTANTS OF THE $\tilde{X}^{4}\Sigma^{-}_{g}(v= 4-7)$ LEVELS OF $C_{2}^{+}$ USING STIMULATED EMISSION PUMPING SPECTROSCOPY

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1989

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Ohio State University

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Using stimulated emission pumping (SEP) spectroscopy, vibrationally excited levels of the $\tilde{X}^{4}\Sigma^{-}_{g}$ ground electronic state of $C_{2}^{+}$ were characterized. Transitions were detected by decreased total fluorescence from laser-excited $\tilde{B}^{4}\Sigma^{-}_{u}$ levels. To obtain the 2-photon spectra, a modulation scheme which discriminated against one-photon fluorescence signals was successfully employed. Molecular constants determined for the $C^{+}_{2}\tilde{X}^{4}\Sigma^{-}_{g} (v=4-7)$ levels are presented.

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Author Institution: Code 6174, Naval Research Lab, 4555 Overlook Ave.; Institut f\""{u}r Physikalische Chemie, Universit\""at Basel

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