Partial photoionization cross sections of molecular oxygen |
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| Authors: | T Gustafsson |
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| Affiliation: | Department of Physics and Laboratory for Research on the Structure of Matter, University of Pennsylvania. Philadelphia, Pennsylvania 19104, USA |
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| Abstract: | Measurements of partial photoionization cross sections of O2 for excitation energies between 20 and 45 eV are reported and compared to a calculation using the Stieltjes-Tchebycheff moment theory. Positive evidence is obtained for a predicted σ-type shape resonance between 1 and 2 eV above threshold in certain ionic-state cross sections. Implications for angular distribution of photoelectrons from an oriented O2 are discussed. |
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| Keywords: | Present address: Department of Chemistry The Pennsylvania State University Davey Laboratory State College Pennsylvania 16802 USA |
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