Glueball spectrum and the Pomeron in the Wilson loop approach

Abstract

Using a nonperturbative method based on asymptotic behaviour of Wilson loops we calculate masses of glueballs and corresponding Regge-trajectories. The only input is string tension fixed by meson Regge slope, while perturbative contributions to spin splittings are defined by standard alpha_s values. The masses of lowest glueball states are in a perfect agreement with lattice results. The leading glueball trajectory which is associated with Pomeron is discussed in details and its mixing with f and f' trajectories is taken into account.

LaTeX2e, 49 pages, 2 figures

References in corpus (1)

• Rotating QCD string and the meson spectrum

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