title: Antiproton, positron, and electron imaging with a microchannel plate/phosphor detector.
abstract: A microchannel plate (MCP)/phosphor screen assembly has been used to destructively measure the radial profile of cold, confined antiprotons, electrons, and positrons in the ALPHA experiment, with the goal of using these trapped particles for antihydrogen creation and confinement. The response of the MCP to low energy (10-200 eV, <1 eV spread) antiproton extractions is compared to that of electrons and positrons.
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authors.lastname: Thompson
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authors.lastname: van der Werf
authors.forename: Y
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authors.lastname: Yamazaki