Open Problems in Heavy Quarkonium Physics

Abstract

Some recent progress and a personal selection of open problems in heavy quarkonium physics (spectroscopy, decay and production) inspired by the activity of the Quarkonium Working Group are reviewed.

Comments: Plenary talk presented at the 6th international conference Quark Confinement and the Hadron Spectrum, Villasimius, Italy 21-25 September, 2004; 11 pages, 7 figures, aipproc