Optical electron polarimetry with heavy noble gases
- Department of Physics, University of Missouri-Rolla, Rolla, Missouri 65401 (United States)
We have measured the polarization of fluorescence emitted by the noble gases He, Ne, Ar, Kr, and Xe following impact excitation by polarized electrons. In He, the 3{sup 3}{ital P}{r_arrow}2{sup 3}{ital S} transition was studied; in the heavy noble gases the {ital np}{sup 5}({ital n}+1){ital p}{sup 3}{ital D}{sub 3}{r_arrow}{ital np}{sup 5}({ital n}+1){ital s}{sup 3}{ital P}{sub 2} transitions were analyzed. We investigated these transitions as candidates for efficient optical electron polarimetry and found that, because of their larger excitation cross sections and analyzing power, the heavy noble gases are superior to He, which had been used previously as a polarimetric target. Several issues with regard to the implementation and accuracy of optical electron polarimetric techniques are discussed. {copyright} {ital 1996 The American Physical Society.}
- OSTI ID:
- 279026
- Journal Information:
- Physical Review A, Journal Name: Physical Review A Journal Issue: 3 Vol. 53; ISSN 1050-2947; ISSN PLRAAN
- Country of Publication:
- United States
- Language:
- English
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