# THE C-H STRETCH SPECTRUM OF ETHYLENE IN LIQUID HELIUM DROPLETS

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/20876

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 Title: THE C-H STRETCH SPECTRUM OF ETHYLENE IN LIQUID HELIUM DROPLETS Creators: Lindsay, C. Michael; Lewis, William K.; Miller, R. E. Issue Date: 2003 Abstract: In this talk we report our study of $^{12}C_{2}H_{4}$ monomer and its clusters in $^{4}He$ with the new, ""second generation"" helium droplet/infrared spectroscopy apparatus at UNC. The region containing the $\nu_{11}$ and $\nu_{9}$ asymmetric C-H stretches of the monomer was scanned using a tunable, cw OPO aligned collinearly with the droplet beam and detected with a quadrupole mass spectrometer. Rotationally resolved spectra were observed with line widths as narrow as $0.08 cm^{-1}$, FWHM. Details of the new instrument and the analysis of the spectra will be presented. URI: http://hdl.handle.net/1811/20876 Other Identifiers: 2003-RD-07