Pressure broadening of the 118.455 cm-1 rotational lines of OH by N2, O2, H2 and He.

Details Pressure broadening of the 118.455 cm-1 rotational lines of OH by N2, O2, H2 and He. Pressure broadening of the 118.455 cm-1 rotational lines of OH by N2, O2, H2 and He.

Mar 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999jqsrt..61..715p&link_type=abstract

Journal of Quantitative Spectroscopy and Radiative Transfer, vol. 61, issue 5, pp. 715-716

Computer Science

2

Oh: Infrared Lines, Oh: Line Broadening, Oh: Molecular Processes

Scientific paper

The authors measured the pressure broadening of the 118.455 cm-1 (3.551 THz) rotational lines of OH by H2, He, N2 and O2. From these measurements, the authors calculated the pressure broadening of this line by air. The broadening coefficients are 6.06(16) and 10.13(25)×10-7 cm-1Pa-1 at 796 and 194 K. The authors also measured the position of the manifold of lines, with results that are in excellent agreement with a previous accurate determination. The frequency of the strongest component of the transition (F=4←3), and its 2σ uncertainty is 3551185.42(3) MHz.

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