Dramatic Nondipole Effects in Low-Energy Photoionization: Experimental and Theoretical Study of Xe 5s

O. Hemmers, R. Guillemin, E. P. Kanter, B. Krässig, D. W. Lindle, S. H. Southworth, R. Wehlitz, J. Baker, A. Hudson, M. Lotrakul, D. Rolles, W. C. Stolte, I. C. Tran, A. Wolska, S. W. Yu, M. Ya. Amusia, K. T. Cheng, L. V. Chernysheva, W. R. Johnson, and S. T. Manson
Phys. Rev. Lett. 91, 053002 – Published 1 August 2003

Abstract

The Xe 5s nondipole photoelectron parameter γ is obtained experimentally and theoretically from threshold to 200eV photon energy. Significant nondipole effects are seen even in the threshold region of this valence shell photoionization. In addition, contrary to previous understanding, clear evidence of interchannel coupling among quadrupole photoionization channels is found.

  • Figure
  • Received 20 January 2003

DOI:https://doi.org/10.1103/PhysRevLett.91.053002

©2003 American Physical Society

Authors & Affiliations

O. Hemmers1, R. Guillemin1,2, E. P. Kanter3, B. Krässig3, D. W. Lindle1, S. H. Southworth3, R. Wehlitz4, J. Baker1, A. Hudson1, M. Lotrakul1, D. Rolles5, W. C. Stolte1,2, I. C. Tran1, A. Wolska1,2, S. W. Yu1,2, M. Ya. Amusia6,7, K. T. Cheng8, L. V. Chernysheva7, W. R. Johnson9, and S. T. Manson10

  • 1Department of Chemistry, University of Nevada, Las Vegas, Nevada 89154-4003, USA
  • 2Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
  • 3Argonne National Laboratory, Argonne, Illinois 60439, USA
  • 4Synchrotron Radiation Center, University of Wisconsin, Stoughton, Wisconsin 53589, USA
  • 5Fritz-Haber-Institut der Max-Planck Gesellschaft, Berlin, Germany
  • 6The Racah Institute of Physics, The Hebrew University of Jerusalem, 91904 Jerusalem, Israel
  • 7Ioffe Physical-Technical Institute, 194021 St. Petersburg, Russia
  • 8Lawrence Livermore National Laboratory, University of California, Livermore, California 94550, USA
  • 9Department of Physics, University of Notre Dame, Notre Dame, Indiana 46556, USA
  • 10Department of Physics and Astronomy, Georgia State University, Atlanta, Georgia 30303-3083, USA

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Vol. 91, Iss. 5 — 1 August 2003

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