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Ozone formation in ternary collisions: Theory and experiment reconciled

ORAL

Abstract

In this work, we present a theoretical study on the primary mechanism of ozone formation in the stratosphere, i.e., O+O2+M with M=Ar. Our approach is based on a direct treatment of the three-body process through a classical trajectory method in hyperspherical coordinates, without using the two-step approximation via intermediate complexes. As a result, after computing thermally-averaged coefficients for temperatures 5-900 K, we find that most O3 molecules appear in weakly bound states, which are further quenched, leading to a good agreement with available experimental data for temperatures 100-900K.

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Presenters

  • Viatcheslav Kokoouline

    University of Central Florida, University of Central Florida (United States of America)

Authors

  • Viatcheslav Kokoouline

    University of Central Florida, University of Central Florida (United States of America)

  • Marjan Mirahmadi

    Fritz-Haber-Institut der Max-Planck-Gesellschaft, Berlin, Germany, Fritz-Haber-Institut der Max-Planck-Gesellschaft, Fritz Haber Institute of the Max Planck Society

  • Vladimir Tyuterev

    Quamer Laboratory, Tomsk State University, Tomsk, Russia

  • Jesus Perez Rios

    Department of Physics, Stony Brook University, Stony Brook, New York 11794, USA, Department of Physics and Astronomy, Stony Brook University; Fritz-Haber Institute, Fritz Haber Institute of the Max Planck Society, Department of Physics and Astronomy, Stony Brook University, Department of Physics and Astronomy, Stony Brook University, Stony Brook, NY 11794, USA, Fritz-Haber-Institut der Max-Planck-Gesellschaft; IMM, Radboud University; Department of Physics and Astronomy, Stony Brook University, Department of Physics and Astronomy, Stony Brook University; Fritz-Haber-Institute, Department of Physics and Astromy, Stony Brook University, Stony Brook, NY 11794, USA