Brief Report
Version 1
Preserved in Portico This version is not peer-reviewed
Methylidyne Cavity Ring-Down Spectroscopy in a Microwave Plasma Discharge
Version 1
: Received: 8 November 2022 / Approved: 14 November 2022 / Online: 14 November 2022 (06:14:12 CET)
Version 2 : Received: 17 December 2022 / Approved: 19 December 2022 / Online: 19 December 2022 (02:45:09 CET)
Version 2 : Received: 17 December 2022 / Approved: 19 December 2022 / Online: 19 December 2022 (02:45:09 CET)
A peer-reviewed article of this Preprint also exists.
Nemes, L.; Parigger, C.G. Methylidyne Cavity Ring-Down Spectroscopy in a Microwave Plasma Discharge. Foundations 2023, 3, 16-24. Nemes, L.; Parigger, C.G. Methylidyne Cavity Ring-Down Spectroscopy in a Microwave Plasma Discharge. Foundations 2023, 3, 16-24.
Abstract
This work communicates cavity ring-down spectroscopy (CRDS) of methylidyne (CH) in a chemiluminescent plasma that is produced in a microwave cavity. Of interest are the rotational lines of the 0-0 vibrational transition for the A-X band and the 1-0 vibrational transition for the B-X band. The reported investigations originate from CH-radical research in 1996 that constituted the first case of applying CRDS to the CH radical. The report also includes recent analysis that shows excellent agreement of measured and computed data, and it communicates CH line strength data.
Keywords
molecular spectroscopy; diatomic molecules; cavity ring-down spectroscopy; absorption spectroscopy; methylidyne; line strength data; plasma physics; astrophysics
Subject
Physical Sciences, Atomic and Molecular Physics
Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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