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Title:Study Of Large Amplitude Motions Of Methyl Group In 9-methylanthracene By High-resolution Spectroscopy
Author(s):Misono, Masatoshi
Contributor(s):Baba, Masaaki; Nishiyama, Akiko; Kasahara, Shunji; Yamasaki, Sho
Subject(s):Mini-symposium: Large Amplitude Motions
Abstract:\begin{wrapfigure}{r}{0pt} \includegraphics[scale=0.6]{Misono20_a.eps} \end{wrapfigure} We study large amplitude motions of methyl group in 9-methylanthracene (9MA) by high-resolution spectroscopy. 9MA molecules are delivered in a supersonic beam and are excited by a single mode Ti:Sapphire laser. The frequency of the laser is controlled with reference to an Er doped fiber optical frequency comb. The figure is the observed rovibronic spectra of S$_1(0a_1') \leftarrow$ S$_0(0a_1')$ and S$_1(1e'') \leftarrow$ S$_0(1e'')$ transitions. Although the two transitions are overlapped, the rotational lines are well resolved. Now we try to assign the rotational lines and to analyze interactions in the vibronic excited states.
Issue Date:2021-06-22
Publisher:International Symposium on Molecular Spectroscopy
Genre:Conference Paper / Presentation
Date Available in IDEALS:2021-09-24

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