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Journal Articles Chemical Physics Letters Year : 2017

Rotational energy transfer in collisions between CO and Ar at temperatures from 293 to 30 K

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Abstract

Experimental measurements and theoretical calculations are reported for rotational energy transfer in the Ar-CO system. Experiments were performed in cold uniform supersonic flows of Ar, using an infrared - vacuum ultraviolet double resonance technique to measure absolute state-to-state rate constants and total relaxation cross sections for rotational energy transfer within the (v = 2) vibrational state of CO in collision with Ar at temperatures from 30.5 to 293 K. Close-coupling calculations were also performed using a recent potential energy surface (Sumiyoshi and Endo, 2015). Very good agreement is obtained between measured and calculated values.
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Dates and versions

hal-01578397 , version 1 (11-09-2017)

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Laura A. Mertens, Hamza Labiad, Otoniel Denis-Alpizar, Martin Fournier, David Carty, et al.. Rotational energy transfer in collisions between CO and Ar at temperatures from 293 to 30 K. Chemical Physics Letters, 2017, 683, pp.521-528. ⟨10.1016/j.cplett.2017.05.052⟩. ⟨hal-01578397⟩
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