The pressure broadening of SO2 by N2, O2, He, and H2 between 90 and 500 K.

Details The pressure broadening of SO2 by N2, O2, He, and H2 between 90 and 500 K. The pressure broadening of SO2 by N2, O2, He, and H2 between 90 and 500 K.

Jul 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996jqsrt..56..109b&link_type=abstract

Journal of Quantitative Spectroscopy and Radiative Transfer, vol. 56, issue 1, pp. 109-117

Computer Science

7

Sulfur Dioxide: Line Broadening

Scientific paper

The temperature dependence of the pressure broadening of four ground vibrational state rotational transitions of SO2 have been measured. The broadening gases included N2, O2, He, and H2. The temperatures investigated in this work ranged from 90 to 500 K. For temperatures below 160 K, where SO2 has negligible vapor pressure, the collisional cooling technique was used for two of the transitions. The measured broadening parameters fit well to an exponential temperature dependence over the whole range of temperatures. Room temperature values of the broadening parameter are compared with previous experimental and theoretical work.

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