Abstract
Line-mixing effects have been studied in therQ5torQ12rotational subbranches of16O3. Far-infrared Fourier transform measurements have been made in the 30–90 cm−1spectral region for mixtures of ozone with N2and O2at room temperature and total pressures in the 0.5–1.3 atm range. A careful analysis of the experimental data evidence, for the first time, the effects of line interferences on absorption in the far-infrared ozone branches. Modifications with respect to additive Lorentzian line contributions are on the order of 15% at the[formula]peaks under atmospheric conditions. A simple model is proposed in order to account for these line-mixing effects. It successfully predicts the spectral shape in the 0.05–1.3 atm total pressure range for both O3–O2and O3–N2collisions.
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