Relativistic effects on interchannel coupling in atomic photoionization: The photoelectron angular distribution of Xe <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mn>5</mn><mi>s</mi></math></span>

O. Hemmers; S. T. Manson; M. M. Sant’Anna; P. Focke; H. Wang; I. A. Sellin; D. W. Lindle

doi:10.1103/PhysRevA.64.022507

Relativistic effects on interchannel coupling in atomic photoionization: The photoelectron angular distribution of Xe $5 s$

O. Hemmers, S. T. Manson, M. M. Sant’Anna, P. Focke, H. Wang, I. A. Sellin, and D. W. Lindle

Phys. Rev. A 64, 022507 – Published 13 July 2001

Abstract

Measurements of the photoelectron angular-distribution asymmetry parameter $β$ for Xe $5 s$ photoionization have been performed in the 80–200 eV photon-energy region. The results show a substantial deviation from the nonrelativistic value of $β = 2$ and provide a clear signature of significant relativistic effects in interchannel coupling.

Received 20 February 2001

DOI:https://doi.org/10.1103/PhysRevA.64.022507

Authors & Affiliations

O. Hemmers¹, S. T. Manson², M. M. Sant’Anna³, P. Focke⁴, H. Wang⁵, I. A. Sellin⁶, and D. W. Lindle¹

¹Department of Chemistry, University of Nevada, Las Vegas, Nevada 89154-4003
²Department of Physics and Astronomy, Georgia State University, Atlanta, Georgia 30303-3083
³Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California 94720
⁴Centro Atomico Bariloche, RA-8400 Bariloche, Argentina
⁵Max-Lab, Lund University, 221 00 Lund, Sweden
⁶Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37996-1200

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Vol. 64, Iss. 2 — August 2001

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