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A Comparison Of Angular Behaviors Among Electron And Positron Scattering Factors

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  • S. Y. TONG

    (Department of Physics and Laboratory for Surface Studies, University of Wisconsin–Milwaukee, Milwaukee, WI 53201, USA)

  • C. W. MOK

    (Department of Physics, The University of Hong Kong, Hong Kong, China)

Abstract

In this review, we discuss the angular anisotropies in the scattering factors of electrons and positrons for scattering by atoms in solids. We show that, as a function of the angle, the maximum number of dips in the scattering factor's magnitude and jumps of near π in its phase are related to the angular momenta of the bound and resonance states of the potential. The effect of the scattering factor's anisotropies on low-energy electron and positron holographic wave-front reconstruction is discussed.

Suggested Citation

  • S. Y. Tong & C. W. Mok, 2000. "A Comparison Of Angular Behaviors Among Electron And Positron Scattering Factors," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 7(03), pages 333-345.
    • Handle: RePEc:wsi:srlxxx:v:07:y:2000:i:03:n:s0218625x00000269
    DOI: 10.1142/S0218625X00000269
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