Low energy positron scattering from atoms and molecules
Low energy positron scattering has been conducted for over 40 years and large discrepancies (> 20%) in the measured cross sections have plagued both experimental and theoretical results. The advent of the Surko buffer-gas trap has provided for sufficiently large numbers of positrons, with previously unmatched angular and energy distributions, which has allowed for the measurement of absolute cross sections with absolute uncertainties of less than 10%. Continual improvement of the experimental...[Show more]
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