Carbon K-shell photoionization of CO: molecular frame angular distributions of normal and conjugate shakeup satellites

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DOIResolve DOI: http://doi.org/10.1016/j.elspec.2010.04.010
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TypeArticle
Journal titleJournal of Electron Spectroscopy and Related Phenomena
ISSN0368-2048
Volume183
Issue1-3
Pages4852; # of pages: 5
SubjectCO molecule; Electron energies; K-shell photoionization; K-shells; MFPAD; Molecular frame; Molecular ions; Molecular symmetry; Satellite lines; Shake-up satellite; Shakeup states; Shape resonance; Electron correlations; Electron density measurement; Electron energy loss spectroscopy; Electrons; Photons; Satellites; Angular distribution
AbstractWe have measured the molecular frame angular distributions of photoelectrons emitted from the Carbon K-shell of fixed-in-space CO molecules for the case of simultaneous excitation of the remaining molecular ion. Normal and conjugate shakeup states are observed. Photoelectrons belonging to normal Σ-satellite lines show an angular distribution resembling that observed for the main photoline at the same electron energy. Surprisingly a similar shape is found for conjugate shakeup states with Π-symmetry. In our data we identify shake rather than electron scattering (PEVE) as the mechanism producing the conjugate lines. The angular distributions clearly show the presence of a Σ shape resonance for all of the satellite lines. © 2010 Elsevier B.V. All rights reserved.
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LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC); Security and Disruptive Technologies
Peer reviewedYes
NPARC number21271920
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Record identifier242da28d-106b-4703-9c2e-b03e063fd92e
Record created2014-05-05
Record modified2016-05-09
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