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Issue 4, 2000
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Vector correlations in the 355 nm photolysis of thermal NO2

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Abstract

Correlations between the NO2 transition moment μ, the fragment velocities ν and the NO rotational angular momentum J have been made for four NO(v=0, J) states which span the most populated rotational levels formed by photolysis at 355 nm of a sample of NO2 at 298 K. Correlations involving μ are seen to be decreased in comparison with those at lower temperatures, and in particular the translational anisotropy factor β is reduced by a factor of ca. 2. A speed independent value of β=0.7 is shown to describe the fast O(3P) atoms formed under these conditions and can be used in the analysis of the Doppler profiles measured in studies of their reactions with H2S by means of the ‘‘photoloc ’’ technique. Measured rotational distributions in v=0 show some deviations from phase space theory, particularly at high J.

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Publication details

The article was received on 04 Oct 1999, accepted on 16 Nov 1999 and first published on 07 Jan 2000


Article type: Paper
DOI: 10.1039/A907955F
Citation: Phys. Chem. Chem. Phys., 2000,2, 661-664
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    Vector correlations in the 355 nm photolysis of thermal NO2

    R. P. Baker, M. L. Costen, G. Hancock, G. A. D. Ritchie and D. Summerfield, Phys. Chem. Chem. Phys., 2000, 2, 661
    DOI: 10.1039/A907955F

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