A study of hybrid quarkonium using lattice QCD
K. J. Juge, J. Kuti, C. J. Morningstar
Abstract
The hybrid quarkonium states are studied using the Born-Oppenheimer expansion. The first step in this expansion is the determination of the energy levels of the gluons in the presence of a static quark-antiquark pair as a function of the quark-antiquark separation. The spectrum of such gluonic excitations is determined from first principles using lattice QCD.
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