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Issue 8, 2005
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O(1D2) orbital orientation in the ultraviolet photodissociation of ozone

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Abstract

We present the absolute velocity-dependent orbital orientation for O(1D2) atoms produced from the photodissociation of ozone in the 248–285 nm region obtained using the DC slice imaging method. The results are analyzed in terms of laboratory frame anisotropy parameters describing distinct excitation and dissociation mechanisms possessing characteristic angular distributions. The results show negligible orbital orientation produced in dissociation by circularly polarized light, but strong recoil speed-dependent orientation following photolysis by linearly polarized light at all wavelengths studied. The origin of this polarization is ascribed to nonadiabatic transitions at avoided crossings and at long range.

Graphical abstract: O(1D2) orbital orientation in the ultraviolet photodissociation of ozone

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Article information


Submitted
16 Feb 2005
Accepted
09 Mar 2005
First published
24 Mar 2005

Phys. Chem. Chem. Phys., 2005,7, 1650-1656
Article type
Paper

O(1D2) orbital orientation in the ultraviolet photodissociation of ozone

S. Kyoung Lee, D. Townsend, O. S. Vasyutinskii and A. G. Suits, Phys. Chem. Chem. Phys., 2005, 7, 1650
DOI: 10.1039/B502371H

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