CO2-broadening coefficients in the ν4+ ν5 band of acetylene

Résultats de recherche: Contribution à un journal/une revueArticle

Résumé

The CO-broadening coefficients of 24 P- and R-branch transitions in the ν + ν band of acetylene were measured at room temperature using a diode-laser spectrometer. These lines with J values up to 26, were located in the spectral range 1270 to 1400 cm . The collisional broadening coefficients were retrieved by fitting the experimental profiles to the Voigt, Rautian, and Galatry lineshape models. Two experimental values for the narrowing coefficient were determined from the spectra and compared with the theoretical narrowing coefficient. The calculations of these broadenings were also performed in the frame of a semiclassical formalism involving a simple intermolecular potential with an adjustable parameter. The theoretical results are in good agreement with the experimental results and reproduce well the J dependence of the broadening coefficients.
langue originaleAnglais
Pages (de - à)52-57
Nombre de pages6
journalJournal of molecular spectroscopy
Volume236
Numéro de publication1
Les DOIs
étatPublié - 1 mars 2006

Empreinte digitale

Acetylene
Carbon Monoxide
acetylene
Semiconductor lasers
Spectrometers
coefficients
Temperature
laser spectrometers
diodes
formalism
room temperature
profiles

Citer ceci

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title = "CO2-broadening coefficients in the ν4+ ν5 band of acetylene",
abstract = "The CO-broadening coefficients of 24 P- and R-branch transitions in the ν + ν band of acetylene were measured at room temperature using a diode-laser spectrometer. These lines with J values up to 26, were located in the spectral range 1270 to 1400 cm . The collisional broadening coefficients were retrieved by fitting the experimental profiles to the Voigt, Rautian, and Galatry lineshape models. Two experimental values for the narrowing coefficient were determined from the spectra and compared with the theoretical narrowing coefficient. The calculations of these broadenings were also performed in the frame of a semiclassical formalism involving a simple intermolecular potential with an adjustable parameter. The theoretical results are in good agreement with the experimental results and reproduce well the J dependence of the broadening coefficients.",
author = "B. Martin and J. Walrand and G. Blanquet and J.-P. Bouanich and M. Lep{\`e}re",
note = "Copyright 2008 Elsevier B.V., All rights reserved.",
year = "2006",
month = "3",
day = "1",
doi = "10.1016/j.jms.2005.12.011",
language = "English",
volume = "236",
pages = "52--57",
journal = "Journal of molecular spectroscopy",
issn = "0022-2852",
publisher = "Academic Press Inc.",
number = "1",

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CO2-broadening coefficients in the ν4+ ν5 band of acetylene. / Martin, B.; Walrand, J.; Blanquet, G.; Bouanich, J.-P.; Lepère, M.

Dans: Journal of molecular spectroscopy, Vol 236, Numéro 1, 01.03.2006, p. 52-57.

Résultats de recherche: Contribution à un journal/une revueArticle

TY - JOUR

T1 - CO2-broadening coefficients in the ν4+ ν5 band of acetylene

AU - Martin, B.

AU - Walrand, J.

AU - Blanquet, G.

AU - Bouanich, J.-P.

AU - Lepère, M.

N1 - Copyright 2008 Elsevier B.V., All rights reserved.

PY - 2006/3/1

Y1 - 2006/3/1

N2 - The CO-broadening coefficients of 24 P- and R-branch transitions in the ν + ν band of acetylene were measured at room temperature using a diode-laser spectrometer. These lines with J values up to 26, were located in the spectral range 1270 to 1400 cm . The collisional broadening coefficients were retrieved by fitting the experimental profiles to the Voigt, Rautian, and Galatry lineshape models. Two experimental values for the narrowing coefficient were determined from the spectra and compared with the theoretical narrowing coefficient. The calculations of these broadenings were also performed in the frame of a semiclassical formalism involving a simple intermolecular potential with an adjustable parameter. The theoretical results are in good agreement with the experimental results and reproduce well the J dependence of the broadening coefficients.

AB - The CO-broadening coefficients of 24 P- and R-branch transitions in the ν + ν band of acetylene were measured at room temperature using a diode-laser spectrometer. These lines with J values up to 26, were located in the spectral range 1270 to 1400 cm . The collisional broadening coefficients were retrieved by fitting the experimental profiles to the Voigt, Rautian, and Galatry lineshape models. Two experimental values for the narrowing coefficient were determined from the spectra and compared with the theoretical narrowing coefficient. The calculations of these broadenings were also performed in the frame of a semiclassical formalism involving a simple intermolecular potential with an adjustable parameter. The theoretical results are in good agreement with the experimental results and reproduce well the J dependence of the broadening coefficients.

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U2 - 10.1016/j.jms.2005.12.011

DO - 10.1016/j.jms.2005.12.011

M3 - Article

AN - SCOPUS:33644764148

VL - 236

SP - 52

EP - 57

JO - Journal of molecular spectroscopy

JF - Journal of molecular spectroscopy

SN - 0022-2852

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