# I-UNCOUPLING AND ROTATIONAL STRUCTURE IN VIBRATIONALLY AUTOIONIZING RYDBERG STATES OF HCO CONVERGING TO THE (010) LIMIT

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 Title: I-UNCOUPLING AND ROTATIONAL STRUCTURE IN VIBRATIONALLY AUTOIONIZING RYDBERG STATES OF HCO CONVERGING TO THE (010) LIMIT Creators: Zuckerman, Eric J.; Hedderich, Hartmut G.; Grant, Edward R. Issue Date: 1999 Publisher: Ohio State University Abstract: We have obtained $(1+1^{\prime})$ double resonance spectra autoionizing high Rydberg states of HCO. Scans originate from $3p\pi {^{2}}\Pi N=0-5$ intermediate states. These spectra cover Rydberg states of binding energies ranging from 650 to $400 cm^{-1}$, converging to the (010) fundamental of $HCO^{+}$. Using our highly accurate ionization thresholds and by applying the Rydberg model, simulations which neglect coupling are found to reasonably represent the experimental spectra within a minimal quantum defect basis. Analysis based on Multichannel Quantum Defect Theory, which includes coupling, is underway. Description: Author Institution: Department of Chemistry, Purdue University URI: http://hdl.handle.net/1811/19476 Other Identifiers: 1999-TF-11