Photoelectron Spectroscopy of Ions: Study of the Auger Decay of the 4dnf (n=4,5) Resonances in Xe5+ Ion

J.-M. Bizau, D. Cubaynes, S. Guilbaud, F. Penent, P. Lablanquie, L. Andric, J. Palaudoux, M. M. Al Shorman, and C. Blancard
Phys. Rev. Lett. 116, 103001 – Published 9 March 2016

Abstract

We have studied, for the first time by electron spectroscopy, the Auger decay of the 4dnf (n=4,5) resonances in Xe5+ ion. By detecting in coincidence the Auger electrons with the resulting Xe6+ ions, we unravel the contribution of the different final ionic states to the total cross section measured by ion spectroscopy. A strong intensity of 5s5p satellite lines has been observed, up to 4 times stronger than the 5s2 main lines. This unexpected behavior is confirmed by multiconfiguration Dirac-Fock calculations. This technique provides the most stringent test for theoretical models and allows us to disentangle the contribution of ions in the ground and metastable states in the target beam.

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  • Received 4 December 2015

DOI:https://doi.org/10.1103/PhysRevLett.116.103001

© 2016 American Physical Society

Physics Subject Headings (PhySH)

Atomic, Molecular & Optical

Authors & Affiliations

J.-M. Bizau1,2,*, D. Cubaynes1,2, S. Guilbaud1, F. Penent3, P. Lablanquie3, L. Andric3, J. Palaudoux3, M. M. Al Shorman4, and C. Blancard5

  • 1Institut des Sciences Moléculaires d’Orsay (ISMO), CNRS, Univ. Paris Paris-Sud, Université Paris-Saclay, F-91405 Orsay, France
  • 2Synchrotron SOLEIL, L’Orme des Merisiers, St. Aubin, BP48, F-91192 Gif-sur-Yvette, France
  • 3LCPMR, CNRS and Université Paris 6, 11 rue Pierre et Marie Curie, F-75231 Paris Cedex 05, France
  • 4Applied Physics Department, Faculty of Science, Tafila Technical University, Tafila 66110, Jordan
  • 5CEA-DAM-DIF, F-91297 Arpajon cedex, France

  • *Corresponding author. jean-marc.bizau@u-psud.fr

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Issue

Vol. 116, Iss. 10 — 11 March 2016

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