Inelastic scattering of NO(2Π) with atomic and molecular colliders. Rotational and fine-structure excitations

C. R. Bieler, A. Sanov, H. Reisler

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34 Scopus citations

Abstract

The inelastic collisions of NO (Trot ≤ 5 K) with Ar, Xe, CO, N2, O2, N2O and CO2 were studied in molecular beams at center-of-mass collision energies 750-2500 cm-1. Rotational, Λ-doublet and spin-orbit distributions of scattered NO(2Π 1 2 3 2) were determined. In all the scattering experiments (with the possible exception of Ar) no preferences wer observed in the Λ-doublet populations. The rotational distributions all appear Boltzmann-like, with somewhat different rotational temperatures. The populations of the 2Π 1 2 and 2Π 3 2 spin-orbit states depend on the nature of the collider, but do not show any clear relationship with the extent of rotational excitation. No evidence of long-range attractive interactions is revealed in any of the systems studied.

Original languageEnglish (US)
Pages (from-to)175-182
Number of pages8
JournalChemical Physics Letters
Volume235
Issue number3-4
DOIs
StatePublished - Mar 24 1995
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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