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Auger resonant-Raman decay after Xe L-edge photoexcitation
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2015 (English)In: Physical Review A. Atomic, Molecular, and Optical Physics, ISSN 1050-2947, E-ISSN 1094-1622, Vol. 92, no 1, 013427Article in journal (Refereed) Published
Abstract [en]

We have investigated resonant Auger decay of xenon following photoexcitation of each of the three L edges under resonant-Raman conditions, which allowed us to characterize several higher Rydberg transitions. Relative intensities for spectator final states reached after L-1-, L-2-, and L-3-edge excitations are studied in detail. Thanks to state-of-the-art experimental arrangements, our results not only reproduce the previously calculated 3d(-2)5d and nd (n > 5) state cross sections after L-3 excitation, but also allow extracting the 3d(-2)6d spectator state energy position and revealing its resonant behavior, blurred by the insufficient experimental resolution in previous data sets. The 3d(-2)6p and 3d(-2)7p states reached after L-1 excitation as well as the 3d(-2)5d and 3d(-2)6d states reached after L-2 excitation are also investigated and their relative intensities are reported and compared to ab initio Dirac-Hartree-Fock configuration-interaction calculations. We found the signature of electronic-state-lifetime interference effects between several coherently excited intermediate states, due to large lifetime broadening. Electron recapture processes are also identified above all three photoionization thresholds.

Place, publisher, year, edition, pages
2015. Vol. 92, no 1, 013427
National Category
Physical Sciences
URN: urn:nbn:se:uu:diva-261261DOI: 10.1103/PhysRevA.92.013427ISI: 000358839600005OAI: oai:DiVA.org:uu-261261DiVA: diva2:850084
Available from: 2015-08-31 Created: 2015-08-31 Last updated: 2015-08-31Bibliographically approved

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Piancastelli, Maria Novella
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