Laser-controlled production of Rydberg positronium via charge exchange collisions

A. Speck, C. H. Storry, E. A. Hessels, G. Gabrielse

Research output: Contribution to journalArticlepeer-review

26 Scopus citations

Abstract

Lasers are used to choose the binding energies of highly excited positronium atoms (Ps*) created via charge exchange collisions. The lasers directly excite cesium (Cs) atoms to highly excited states (Cs*). These large Cs* atoms have a large cross section for resonant charge exchange collisions with trapped positrons. Highly excited Ps* is formed with a binding energy that is determined by the initial laser excitation. These Ps* should have a large cross section for resonant charge exchange collisions with trapped antiprotons - suggesting a possible new way to produce cold antihydrogen.

Original languageEnglish (US)
Pages (from-to)257-262
Number of pages6
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume597
Issue number3-4
DOIs
StatePublished - Sep 16 2004

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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