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Phys. Rev. A 67, 022707 (2003) [7 pages]

Nondipole asymmetries of Kr 1s photoelectrons

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B. Krässig, J.-C. Bilheux*, R. W. Dunford, D. S. Gemmell, S. Hasegawa†, E. P. Kanter, S. H. Southworth, and L. Young
Argonne National Laboratory, Argonne, Illinois 60439

L. A. LaJohn and R. H. Pratt
Department of Physics and Astronomy, University of Pittsburgh, Pittsburgh, Pennsylvania 15260

Received 27 September 2002; published 24 February 2003

Nondipole asymmetries of Kr 1s photoelectrons were measured over the 11–8000 eV kinetic-energy range. Symmetry properties of angular distributions were exploited to eliminate the dependence of the measurements on the dipole anisotropy and the polarization properties of the photon beam. The measured asymmetries agree well with both full multipole relativistic and nonrelativistic first-order retardation calculations within the independent-particle approximation. Deviations of the measured asymmetries from predictions of the point-Coulomb retardation correction confirm the importance of screening on the continuum-wave normalizations and phase shifts.

© 2003 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.67.022707
DOI:
10.1103/PhysRevA.67.022707
PACS:
32.80.Fb, 33.60.Fy

*Present address: Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831.

†Present address: Department of Quantum Engineering and Systems Science, University of Tokyo, Tokyo 113-8656, Japan.

 
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