Glueball masses and Pomeron trajectory in nonperturbative QCD

Physics – High Energy Physics – High Energy Physics - Phenomenology

Scientific paper

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13 pages, 1 EPS figure included using epsf.sty; minor changes in the text and table, figure is replaced

Scientific paper

10.1016/S0370-2693(00)00202-1

Using a nonperturbative method based on asymptotic behaviour of Wilson loops we calculate masses of glueballs and corresponding Regge-trajectories. The method contains no fitting parameters and the mass scale is fixed by the meson Regge slope. Theoretical predictions for lowest glueball states are in a perfect agreement with lattice results. The leading glueball trajectory and its relation to the Pomeron is discussed in details. Important role of mixing between glueball and q\bar q trajectories is emphasized.

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