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Improved determination of overall rotational and vibronic relaxation rates of BaO (A1∑, v'=8, J'=49) colliding with Ar

  • T.G. Cats
  • , J.G.M. Kuerten
  • , M.I.M. Scheerboom
  • , C.W.J.M. Klaasen
  • , H.A. Dijkerman
  • , C.T.J. Alkemade

    Research output: Contribution to journalArticleAcademicpeer-review

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    Abstract

    Using the linear dependence of the ratio of direct and indirect integrated rotational line fluorescence on the inverse. Ar pressure, we obtain more accurate rate constants for rotational relaxation. k = (91.3 ± 1.9) × 103 Pa-1 s-1 and for vibrational plus electronic relaxation: k = (21.0 ± 0.9) × 103 Pa-1 s-1 of cw-laser-excited BaO(A 1S, ¿' = 8, J'= 49) in collision with Ar. The experiments were performed on BaO produced in a gas-flow system using oxidants N2O, O2 and CO2 at variable argon pressures.
    Original languageEnglish
    Pages (from-to)347-350
    JournalChemical Physics Letters
    Volume105
    Issue number3
    DOIs
    Publication statusPublished - 1984

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