CAVITY RING DOWN SPECTROSCOPY OF CARBON CHAIN RADICALS

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2000

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Ohio State University

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Cavity ring down spectroscopy through a supersonic planar plasma is used to study the electronic transitions of a series of carbon chain radicals in direct $absorption.^{a}$ The gas phase spectra of species of the form $C_{2n}H$, $HC_{2n} H^{+}$, $HC_{2n+1} N^{+}$, $NC_{2n-2}N^{+},^{b}$ and $C_{n}$ are compared to the hitherto reported diffuse interstellar band positions.

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$^{a}$T. Motylewski and H. Linnartz, Rev. Sci, Instrum. 70, 1305(1999). $^{b}$T. Motylewski, H. Linnartz, O. Vaizert, J.P. Maier, G.A. Galazutdinov, F.A. Musaev, J. Krelowski, G.A.H. Walker, and D.A. Bohlender, Astrophys. J. 531, xxxx(2000)
Author Institution: Department of Physical Chemistry, University of Basel

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http://hdl.handle.net/1811/19631

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Abstracts of OSU International Symposium on Molecular Spectroscopy 2000-2009