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Title:Determination Of Pressure Broadening And Shifts For The First Overtone 2←0 Of Hcl
Author(s):Drouin, Brian
Contributor(s):Coffey, Brennan M.; Crawford, Timothy J.
Subject(s):Linelists, Lineshapes, Collisions
Abstract:Precise and accurate positions of the line centers of HCl (v = 2 $\leftarrow$ 0) have not been reported for quite some time$^1$, however, using methane as a transferrable standard, we aim to report line positions to an order of magnitude better than previously characterized and enable the use of HCl as a secondary frequency standard. The line centers for the first overtone of (v =2 $\leftarrow$ 0) in the spectral region 5500 - 5900 cm$^{-1}$ have been measured simultaneously with the 2$\nu_3$ band of methane using the JPL Bruker IFS 125HR. The positions are determined through multispectrum analysis to $1\times10^{-5}$ cm$^{-1}$. Further analysis using the multispectrum fitting software Labfit allows the determination of the self-broadening, self-shift and Dicke narrowing parameters to high precision as well. This potential new standard is compared to the HITRAN 2012 line parameters. \\ \\ $^1$ Guelachvilli, G. Opt. Comm. 19, 150-154. (1976).
Issue Date:2014-06-16
Publisher:International Symposium on Molecular Spectroscopy
Citation Info:Drouin, B.; Coffey, B.M.; Crawford, T.J. DETERMINATION OF PRESSURE BROADENING AND SHIFTS FOR THE FIRST OVERTONE 2←0 OF HCL. Proceedings of the International Symposium on Molecular Spectroscopy, Urbana, IL, June 16-21, 2014. DOI: 10.15278/isms.2014.MK10
Genre:Conference Paper / Presentation
Rights Information:Copyright 2014 by the authors. Licensed under a Creative Commons Attribution 4.0 International License.
Date Available in IDEALS:2014-09-17

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