Inward transport and compression of a positron plasma by a rotating electric field.

Phys Rev Lett

First Point Scientific, Inc., 5330 Derry Avenue, Suite J, Agoura Hills, California 91301, USA.

Published: August 2000

Inward transport of a magnetized pure positron plasma confined in a Penning-Malmberg trap is produced by applying a rotating electric field to the plasma. Compression is observed over a broad range of frequencies. Compression factors up to 20 in central density were obtained. Positron collisions with a neutral buffer gas are used to counteract the heating due to the rotating electric field. The results have implications for a variety of applications including the production of brightness enhanced positron beams, the study of electron-positron plasmas, and antihydrogen production.

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http://dx.doi.org/10.1103/PhysRevLett.85.1883DOI Listing

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