Positronium laser cooling via the $1^{3}S$-$2^{3}P$ transition with a broadband laser pulse

L. T. Glöggler, N. Gusakova, B. Rienäcker +49

We report on laser cooling of a large fraction of positronium (Ps) in free-flight by strongly saturating the $1^{3}S$-$2^{3}P$ transition with a broadband, long-pulsed 243 nm alexandri…