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Measurements of relative photoemission time delays in noble gas atoms

Guenot, Diego; Kroon, D; Balogh, E; Larsen, E W; Kotur, M; Miranda, M; Fordell, T; Johnsson, P; Mauritsson, J; Gisselbrecht, M; Varju, K; Arnold, C L; Carette, T; Kheifets, Anatoli; Lindroth, E; Lhuillier, A; Dahlstrom, J M


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...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
Source: Journal of Physics B: Atomic, Molecular and Optical Physics
DOI: 10.1088/0953-4075/47/24/245602


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