Hyperfine structure and Λ doubling in the A 2Δ state of CH: Observation of an internal hyperfine perturbation

Wim Ubachs*, W. M. Van Herpen, J.J. ter Meulen, A. Dymanus

*Corresponding author for this work

Research output: Contribution to JournalArticleAcademicpeer-review

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Abstract

We report the observation of a resonance between hyperfine states, due to the crossing of rotational ladders at N=10 of Δ5/2 and Δ3/2 spin-doublet states in the excited A 2Δ state of CH. Accurate values for the hyperfine constants a, b, and c in the A 2Δ state were obtained. From measurements of the Λ-doublet splittings we estimate an upper limit to the Ëdoubling in the A 2Δ state.

Original languageEnglish
Pages (from-to)6575-6580
Number of pages6
JournalJournal of Chemical Physics
Volume84
Issue number12
DOIs
Publication statusPublished - 1986

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