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- W2017261121 abstract "Recent two-state and five-state close-coupling calculations for positron-alkali scattering are used to predict the linear polarization of the resonance line (np)2P degrees to (ns)2S emitted by the alkali atoms Li, Na, K and Rb after positron impact excitation. The collision energies considered range from threshold ( approximately=2 eV) to 40 eV. The results are interpreted in terms of elementary collision theory, including depolarization of the line radiation through fine- and hyperfine-structure effects. Given the size of the polarizations predicted and the recent developments in positron physics, an experimental test of the authors' results should be possible. This should provide an independent test of the theoretical model, in addition to the cross sections considered so far." @default.
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- W2017261121 date "1992-12-28" @default.
- W2017261121 modified "2023-09-25" @default.
- W2017261121 title "Polarization of light emitted after positron impact excitation of alkali atoms" @default.
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- W2017261121 doi "https://doi.org/10.1088/0953-4075/25/24/006" @default.
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