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Photoionization study of Kr+ and Xe+ ions with the combined use of a merged-beam set-up and an ion trap

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Published 10 February 2011 • 2011 IOP Publishing Ltd
, , Citation J M Bizau et al 2011 J. Phys. B: At. Mol. Opt. Phys. 44 055205 DOI 10.1088/0953-4075/44/5/055205

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Author affiliations

1 Institut des Sciences Moléculaires d'Orsay (ISMO), CNRS UMR 8214, Université Paris-Sud, Bât. 350, F-91405 Orsay cedex, France

2 CEA-DAM-DIF, Bruyères-le-Châtel, F-91297 Arpajon Cedex, France

3 CNR—IMIP, Rome branch and Gas Phase Beamline@Elettra, I-34012 Trieste, Italy

4 Laboratoire de Chimie Physique, CNRS UMR 8000, Université Paris Sud, Bât 350, F-91405 Orsay cedex, France

5 Department of Physics and Astronomy, University of Aarhus, DK-8000 Aarhus C, Denmark

6 Jordan University of Sciences and Technology, Irbid 22110, Jordan

7 Cepia, Institut National de la Recherche Agronomique (INRA), BP 71627, F-44316 Nantes Cedex 3, France

8 Synchrotron SOLEIL, L'Orme des Merisiers, Saint Aubin, BP 48, F-91192 Gif-sur-Yvette cedex, France

9 Institute of Physics, University of Belgrade, Pregrevica118, 11080 Belgrade, Serbia

10 UJF-Grenoble 1/CNRS-INSU, Institut de Planétologie et d'Astrophysique de Grenoble (IPAG) UMR 5274, Grenoble, F-38041, France

Dates

  1. Received 15 December 2010
  2. Published

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0953-4075/44/5/055205

Abstract

Photoionization cross sections of halogen-like Kr+ and Xe+ ions have been measured in the photon energy range extending up to 15 eV above the threshold. Two different devices were used, a merged-beam set-up and an ion trap. Combination of the two techniques allows for the extraction of the pure ground state ionization cross section on an absolute scale. Multiconfiguration Dirac–Fock calculations reproduce the magnitude of the direct photoionization cross sections well.

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10.1088/0953-4075/44/5/055205