Pressure-broadening of water lines in the THz frequency region: Improvements and confirmations for spectroscopic databases. Part II

Year: 2009

Authors: Cazzoli G., Puzzarini C., Buffa G., Tarrini O.

Autors Affiliation: Univ Bologna, Dipartimento Chim G Ciamician, I-40126 Bologna, Italy; Univ Pisa, IPCF CNR, I-56127 Pisa, Italy; Univ Pisa, Dipartimento Fis E Fermi, I-56127 Pisa, Italy

Abstract: The self-, nitrogen- and oxygen-broadening parameters of pure rotational water lines in the 1.0-1.2 THz frequency range have been measured by means of a frequency modulated spectrometer. The J = 3(1.2) <- 3(0.3) (1.097 THz), 3(1.2) <- 2(2.1) (1.153 THz), 6(3.4) <- 5(4.1) (1.158 Hz), and 3(2.1) <- 3(1.2) (1.163 THz) transitions have been considered. The experimental determination has been supplemented by theoretical calculations within the semiclassical approximation. (c) 2008 Elsevier Ltd. All rights reserved. Journal/Review: JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER

Volume: 110 (9-10)      Pages from: 609  to: 618

More Information: This work has been supported by \’PRIN 2005\’ funds (project \”Trasferimenti di energia e di carica a livello molecolare\”), and by University of Bologna (RFO funds).
KeyWords: pressure-broadening; pressure-shift; speed dependence; rotational THz spectroscopy; water vapor
DOI: 10.1016/j.jqsrt.2008.12.001

Citations: 12
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