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Super Lorentzian effects on the wings of self-broadened HCl and of HCl diluted in Ar

Tran, H. ; Hartmann, J-M. ; Li, G. ; Ebert, V. (2024)
Super Lorentzian effects on the wings of self-broadened HCl and of HCl diluted in Ar.
In: Journal of Physics: Conference Series, 2017, 810 (1)
doi: 10.26083/tuprints-00020893
Artikel, Zweitveröffentlichung, Verlagsversion

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Kurzbeschreibung (Abstract)

Super-Lorentzian effects in the troughs between HCl lines were observed long time ago [Varanasi et al., J Quant Rad Transfer, Vol. 12, pag. 857, 1972]. The observed spectral shape was then modelled by using an empirical law and there was no explanation about the mechanisms underlying these super-Lorentzian effects. In this work, new spectra of pure HCl and HCl diluted in Ar have been measured using a high resolution Fourier Transform spectrometer, for pressure from 6 to 10 bars. Spectra of pure HCl and HCl in Ar have been also computed using classical molecular dynamics simulations (CMDS). First comparisons between CMDS-calculated spectra and measured ones, for regions at the troughs between HCl lines, show that the observed super-Lorentzian behaviour is correctly reproduced by the calculations. These results thus open the paths for the determination of the origin of these super-Lorentzian effects.

Typ des Eintrags: Artikel
Erschienen: 2024
Autor(en): Tran, H. ; Hartmann, J-M. ; Li, G. ; Ebert, V.
Art des Eintrags: Zweitveröffentlichung
Titel: Super Lorentzian effects on the wings of self-broadened HCl and of HCl diluted in Ar
Sprache: Englisch
Publikationsjahr: 7 Mai 2024
Ort: Darmstadt
Publikationsdatum der Erstveröffentlichung: 2017
Ort der Erstveröffentlichung: Bristol
Verlag: IOP Publishing
Titel der Zeitschrift, Zeitung oder Schriftenreihe: Journal of Physics: Conference Series
Jahrgang/Volume einer Zeitschrift: 810
(Heft-)Nummer: 1
Kollation: 3 Seiten
DOI: 10.26083/tuprints-00020893
URL / URN: https://tuprints.ulb.tu-darmstadt.de/20893
Zugehörige Links:
Herkunft: Zweitveröffentlichung DeepGreen
Kurzbeschreibung (Abstract):

Super-Lorentzian effects in the troughs between HCl lines were observed long time ago [Varanasi et al., J Quant Rad Transfer, Vol. 12, pag. 857, 1972]. The observed spectral shape was then modelled by using an empirical law and there was no explanation about the mechanisms underlying these super-Lorentzian effects. In this work, new spectra of pure HCl and HCl diluted in Ar have been measured using a high resolution Fourier Transform spectrometer, for pressure from 6 to 10 bars. Spectra of pure HCl and HCl in Ar have been also computed using classical molecular dynamics simulations (CMDS). First comparisons between CMDS-calculated spectra and measured ones, for regions at the troughs between HCl lines, show that the observed super-Lorentzian behaviour is correctly reproduced by the calculations. These results thus open the paths for the determination of the origin of these super-Lorentzian effects.

ID-Nummer: Artikel-ID: 012039
Status: Verlagsversion
URN: urn:nbn:de:tuda-tuprints-208931
Zusätzliche Informationen:

XXIII International Conference on Spectral Line Shapes 19–24 June 2016, Torun, Poland

Sachgruppe der Dewey Dezimalklassifikatin (DDC): 500 Naturwissenschaften und Mathematik > 530 Physik
500 Naturwissenschaften und Mathematik > 540 Chemie
Fachbereich(e)/-gebiet(e): Exzellenzinitiative
Exzellenzinitiative > Exzellenzcluster
Exzellenzinitiative > Exzellenzcluster > Center of Smart Interfaces (CSI)
Hinterlegungsdatum: 07 Mai 2024 13:40
Letzte Änderung: 13 Mai 2024 08:01
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