Abstract
Vibrational and rotational energy transfer rate coefficients have been measured for ozone in collisions with O 3, O 2, N 2, and other collision partners, using the time-resolved infrared double-resonance technique. State-to-state rotational relaxation rates and total relaxation rates have been calculated for these systems and compared with the experimental results. The methods include simple energy- or angular-momentum-based scaling procedures and more rigorous semi-empirical formulations which have been developed for the calculation of pressure-broadening coefficients. While agreement with experiment is good for transitions with Δ J≤2, the semi-empirical models cannot address large changes in rotational angular momentum which are found to occur. Additional developments are suggested for improving the theoretical models.
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