Nondipole Effects in the Photoionization of Xe $4{d}_{5/2}$ and $4{d}_{3/2}$: Evidence for Quadrupole Satellites

Nondipole Effects in the Photoionization of Xe $4 d_{5 / 2}$ and $4 d_{3 / 2}$ : Evidence for Quadrupole Satellites

O. Hemmers, R. Guillemin, D. Rolles, A. Wolska, D. W. Lindle, K. T. Cheng, W. R. Johnson, H. L. Zhou, and S. T. Manson

Phys. Rev. Lett. 93, 113001 – Published 9 September 2004

Abstract

Measurements of nondipole parameters in spin-orbit-resolved Xe $4 d$ photoionization demonstrate dynamical differences arising from relativistic effects. The experimental data do not agree with relativistic random-phase approximation calculations of single ionization dipole and quadrupole channels. It is suggested that the discrepancy is due to the omission of multiple-excitation quadrupole channels, i.e., quadrupole satellite transitions.

Received 24 November 2003

DOI:https://doi.org/10.1103/PhysRevLett.93.113001

Authors & Affiliations

O. Hemmers¹, R. Guillemin^1,2, D. Rolles^2,3, A. Wolska^1,2, D. W. Lindle¹, K. T. Cheng⁴, W. R. Johnson⁵, H. L. Zhou⁶, and S. T. Manson⁶

¹Department of Chemistry, University of Nevada, Las Vegas, Nevada 89154-4003, USA
²Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
³Fritz-Haber-Institut der Max-Planck-Gesellschaft, D-14195 Berlin, Germany
⁴University of California, Lawrence Livermore National Laboratory, Livermore, California 94550, USA
⁵Department of Physics, University of Notre Dame, Notre Dame, Indiana 46556, USA
⁶Department of Physics and Astronomy, Georgia State University, Atlanta, Georgia 30303-3083, USA

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Vol. 93, Iss. 11 — 10 September 2004

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