HIGHLIGHTS
- who: C. Amsler from the Stefan Meyer Institute Sciences, Boltzmanngasse, Vienna, Austria University of have published the article: Velocity-selected production of $2sideset{^{,3}}{}{mathop {rm S}}$ metastable positronium, in the Journal: (JOURNAL)
- what: The authors investigate the feasibility of a source of metastable 2 3 S Ps with defined and tunable velocity in the absence of an electric field.
SUMMARY
Positronium (Ps) is one of the few matter-antimatter systems (with antihydrogen and muonium) being considered for probing experimentally the gravitational interaction. All the suggested schemes involve laser excitation to . . .
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