Field ionization of strongly magnetized rydberg positronium: A new physical mechanism for positron accumulation

J. Estrada, T. Roach, J. N. Tan, P. Yesley, G. Gabrielse

Research output: Contribution to journalArticlepeer-review

60 Scopus citations

Abstract

Magnetized Rydberg positronium forms when an energetic positron (e+) slows within a tungsten crystal and picks up an electron (e) as it emerges in a strong magnetic field. The signature is equal numbers of e+ and e when a weak electric field is applied, either of which can be accumulated and counted. The new e+ accumulation technique is simple, robust, and much more efficient than any other demonstrated to be compatible with a cryogenic vacuum. Possible applications include the study of cold single component plasmas of e+ and the formation of cold antihydrogen.

Original languageEnglish (US)
Pages (from-to)859-862
Number of pages4
JournalPhysical review letters
Volume84
Issue number5
DOIs
StatePublished - Jan 31 2000

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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