Gluon excitations of the static quark potential and the hybrid quarkonium spectrum

Abstract

A comprehensive determination of the rich, low-lying spectrum of gluonic excitations in the presence of a static quark-antiquark pair is presented. Our results are obtained from several simulations on anisotropic lattices using an improved action and a large set of gluonic operators. The hybrid quarkonium states are studied in the quenched approximation using the Born-Oppenheimer expansion and nonrelativistic lattice QCD.

6 pages, Latex with espcrc2.sty, 7 Postscript figures, to appear in the proceedings of LATTICE'97, Edinburgh

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