Inner-shell photoionization of atomic chlorine

W. C. Stolte, Z. Felfli, R. Guillemin, G. Öhrwall, S.-W. Yu, J. A. Young, D. W. Lindle, T. W. Gorczyca, N. C. Deb, S. T. Manson, A. Hibbert, and A. Z. Msezane

Phys. Rev. A 88, 053425 – Published 25 November 2013

Abstract

Relative partial cross sections have been measured following photoexcitation of atomic chlorine near the Cl 2 $p$ and Cl 1 $s$ ionization thresholds. In addition, Breit-Pauli $R$ -matrix calculations have been carried out in the region of the 2 $p$ thresholds, and the results are compared with experiment. Owing to angular-momentum considerations, it was found that the resonances associated with the higher $2 p^{- 1}$ thresholds should be significantly wider than the lower ones, and this is borne out in both the experimental and the theoretical results. It is shown that a large number of resonance series contribute to the cross section, which make it difficult to untangle, and suggestions for further work to better understand the spectra are presented.

Received 13 June 2013

DOI:https://doi.org/10.1103/PhysRevA.88.053425

Authors & Affiliations

W. C. Stolte^1,2, Z. Felfli³, R. Guillemin⁴, G. Öhrwall⁵, S.-W. Yu⁶, J. A. Young¹, D. W. Lindle¹, T. W. Gorczyca⁷, N. C. Deb^8,*, S. T. Manson⁹, A. Hibbert⁸, and A. Z. Msezane³

¹Department of Chemistry, University of Nevada, Las Vegas, Nevada 89154-4003, USA
²Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
³Center for Theoretical Studies of Physical Systems, Clark Atlanta University, Atlanta, Georgia 30314, USA
⁴LCPMR, UPMC, and CNRS (UMR7614), 11 rue Pierre et Marie Curie, 75231 Paris Cedex 05, France
⁵MAX-Lab, Lund University, P. O. Box 118, 22100, Lund, Sweden
⁶Lawrence Livermore National Laboratory, Livermore, California 94550, USA
⁷Department of Physics, Western Michigan University, Kalamazoo, Michigan 49008, USA
⁸Centre for Theoretical Atomic, Molecular and Optical Physics, Queen's University Belfast, Belfast BT7 1NN, Northern Ireland, United Kingdom
⁹Department of Physics and Astronomy, Georgia State University, Atlanta, Georgia 30303, USA

^*Present address: Indian Maritime University, Kolkata Campus, P-19 Taratala Road, Kolkata-700 088, India.

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Vol. 88, Iss. 5 — November 2013

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