Effects of collisional interference of lines in the spectra of symmetric top molecules

II. Self- and foreign-gas-broadening of rotational spectral lines

M. R. Cherkasov

    Research output: Contribution to journalArticle

    6 Citations (Scopus)

    Abstract

    The theory outlined in the first part of the study is applied to an analysis of self-broadening and broadening by foreign gases of spectral lines for a number of symmetric top molecules with a high potential barrier to the inversion vibration. In all cases considered, the results obtained are in better agreement with the experimental data than previous theoretical results; however, in some cases, the discrepancy is rather large. Possible reasons are discussed and the acute need for experimental data obtained with modern equipment is noted.

    Original languageEnglish
    Pages (from-to)1-9
    Number of pages9
    JournalOptics and Spectroscopy (English translation of Optika i Spektroskopiya)
    Volume106
    Issue number1
    DOIs
    Publication statusPublished - Jan 2009

    Fingerprint

    line spectra
    Gases
    inversions
    interference
    vibration
    Molecules
    gases
    molecules

    ASJC Scopus subject areas

    • Electronic, Optical and Magnetic Materials
    • Atomic and Molecular Physics, and Optics

    Cite this

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    abstract = "The theory outlined in the first part of the study is applied to an analysis of self-broadening and broadening by foreign gases of spectral lines for a number of symmetric top molecules with a high potential barrier to the inversion vibration. In all cases considered, the results obtained are in better agreement with the experimental data than previous theoretical results; however, in some cases, the discrepancy is rather large. Possible reasons are discussed and the acute need for experimental data obtained with modern equipment is noted.",
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    AB - The theory outlined in the first part of the study is applied to an analysis of self-broadening and broadening by foreign gases of spectral lines for a number of symmetric top molecules with a high potential barrier to the inversion vibration. In all cases considered, the results obtained are in better agreement with the experimental data than previous theoretical results; however, in some cases, the discrepancy is rather large. Possible reasons are discussed and the acute need for experimental data obtained with modern equipment is noted.

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