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Investigation of spin-orbit effects in the excitation of noble gases by spin-polarized electrons

Physical Review A, ISSN: 1050-2947, Vol: 47, Issue: 5, Page: 3775-3787
1993
  • 51
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Metrics Details

  • Citations
    51
    • Citation Indexes
      51
  • Captures
    6

Article Description

We have measured the integrated Stokes parameters of the light emitted following the impact excitation by polarized electrons of the np5 (n+1)p[5/2]3 states in Ne (n=2), Ar (n=3), Kr (n=4), Xe (n=5), and the np5 (n+1)p[5/2]2 state in Kr. The near-threshold linear-polarization fractions 1 were consistent with zero for all of the J=3 states measured, providing no evidence of Mott scattering. For J=2 excitation, 1 shows the clear influence of the intermediately coupled nature of the state. At threshold, the measured circular polarization 2 and linear polarization 3 for the J=3 states agree well with the LS-coupled threshold predictions. These results provide the basis for optical measurements of electron polarization. © 1993 The American Physical Society.

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