Normal Auger processes with ultrashort x-ray pulses in neon

Raymond Sullivan, Junteng Jia, Álvaro Vázquez-Mayagoitia, and Antonio Picón
Phys. Rev. A 94, 043421 – Published 26 October 2016

Abstract

Modern x-ray sources enable the production of coherent x-ray pulses with a pulse duration in the same order as the characteristic lifetimes of core-hole states of atoms and molecules. These pulses enable the manipulation of the core-hole population during Auger-decay processes, modifying the line shape of the electron spectra. In this work, we present a theoretical model to study those effects in neon. We identify effects in the Auger-electron–photoelectron coincidence spectrum due to the duration and intensity of the pulses. The normal Auger line shape is recovered in Auger-electron spectra integrated over all photoelectron energies.

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  • Received 17 August 2016

DOI:https://doi.org/10.1103/PhysRevA.94.043421

©2016 American Physical Society

Physics Subject Headings (PhySH)

Atomic, Molecular & Optical

Authors & Affiliations

Raymond Sullivan1,2, Junteng Jia3,4, Álvaro Vázquez-Mayagoitia4, and Antonio Picón2

  • 1Western Illinois University, Macomb, Illinois 61455, USA
  • 2Argonne National Laboratory, Lemont, Illinois 60439, USA
  • 3Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, USA
  • 4Argonne Leadership Computing Facility, Argonne National Laboratory, Lemont, Illinois 60439, USA

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Issue

Vol. 94, Iss. 4 — October 2016

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