Measurements of relative photoemission time delays in noble gas atoms

D. Guénot*, D. Kroon, E. Balogh, E. W. Larsen, M. Kotur, M. Miranda, T. Fordell, P. Johnsson, J. Mauritsson, M. Gisselbrecht, K. Varjú, C. L. Arnold, T. Carette, A. S. Kheifets, E. Lindroth, A. Lhuillier, J. M. Dahlström

*Corresponding author for this work

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    Abstract

    We determine relative photoemission time delays between valence electrons in different noble gas atoms (Ar, Ne and He) in an energy range between 31 and 37 eV. The atoms are ionized by an attosecond pulse train synchronized with an infrared laser field and the delays are measured using an interferometric technique. We compare our results with calculations using the random phase approximation with exchange and multi-configurational Hartree-Fock. We also investigate the influence of the different ionization angular channels.

    Original languageEnglish
    Article number245602
    JournalJournal of Physics B: Atomic, Molecular and Optical Physics
    Volume47
    Issue number24
    DOIs
    Publication statusPublished - 28 Dec 2014

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