First laboratory detection of vibration-rotation transitions of CH\(^+\) and \(^{13}\)CH\(^+\) and improved measurement of their rotational transition frequencies

First laboratory detection of vibration-rotation transitions of CH\(^+\) and \(^{13}\)CH\(^+\) and improved measurement of their rotational transition frequencies

The long-searched C-H stretches of the fundamental ions CH\(^+\) and \(^{13}\)CH\(^+\) have been observed for the first time in the laboratory. For this, the state-dependent attachment of He atoms to these ions at cryogenic temperatures has been exploited to obtain high-resolution rovibrational data...

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Veröffentlicht in:arXiv.org 2018-02
Hauptverfasser: Doménech, José L, Jusko, Pavol, Schlemmer, Stephan, Asvany, Oskar
Format: Artikel
Sprache:eng
Schlagworte:
Cryogenic temperature
Laboratories
Physics - Astrophysics of Galaxies
Vibration measurement
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Beschreibung
Zusammenfassung:The long-searched C-H stretches of the fundamental ions CH\(^+\) and \(^{13}\)CH\(^+\) have been observed for the first time in the laboratory. For this, the state-dependent attachment of He atoms to these ions at cryogenic temperatures has been exploited to obtain high-resolution rovibrational data. In addition, the lowest rotational transitions of CH\(^+\), \(^{13}\)CH\(^+\) and CD\(^+\) have been revisited and their rest frequency values improved substantially.
ISSN:2331-8422
DOI:10.48550/arxiv.1802.10032