# A STUDY OF THE $Ph(^{3}P_{0}) + O_{2}(^{1}\Delta_{0})$ REACTION WITH ULTRAVIOLET PHOTOELCTRON SPECTROSCOPY.

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 Title: A STUDY OF THE $Ph(^{3}P_{0}) + O_{2}(^{1}\Delta_{0})$ REACTION WITH ULTRAVIOLET PHOTOELCTRON SPECTROSCOPY. Creators: Haggerston, Darren; Dyke, J. M. Issue Date: 1994 Publisher: Ohio State University Abstract: The Hel photoelectron spectra of atomic lead in its ground state $({^{3}P}_{q})$ and first two excited states $({^{3}P}_{1}$ and ${^{3}P}_{2})$ have been obtained in the temperature range $1080 \rightarrow 1220K$. The led excited states were prepared {via} a near-resonant energy transfer process involving a crossed-beam reaction of atomic Pb vapour with metastable $O_{2}({^{1}\Delta}_{g})$, generated in a microwave discharge. An intermediate coupling scheme has been formulated to qualitatively and quantitatively account for the relativistic effects apparent in the spectrum. This model is shown to be in good agreement with both experiment and relativistic configuration interaction calculations. The conversion of ground state lead to its two lowest excited states was found to be approximately 10%. Description: Author Institution: Department of Chemistry, The University Southampton URI: http://hdl.handle.net/1811/13024 Other Identifiers: 1994-FC-15