Heavy Hybrids with Constituent Gluons

Details Heavy Hybrids with Constituent Gluons Heavy Hybrids with Constituent Gluons

1998-04-02

arxiv.org/abs/hep-ph/9804219v2

Phys.Rev. D59 (1999) 014035

Physics

High Energy Physics

High Energy Physics - Phenomenology

18 pages, 7 postscript figures, Revtex. Conclusions changed due to reinterpretation of quantum numbers

Scientific paper

10.1103/PhysRevD.59.014035

Hybrid meson energies are calculated in the static quark limit with the Dynamical Quark Model (DQM). In the DQM, transverse gluons are represented as effective constituents with a dynamically generated mass. Hybrid masses are determined within the Tamm-Dancoff approximation for the resulting relativistic Salpeter equation. Although the general features of the adiabatic potential surfaces correspond with lattice data, the results disagree on level orderings. Similar problems appear to exist in all constituent glue models of hybrids. We conclude that constituent gluons do not accurately represent soft gluonic degrees of freedom. The steps necessary to correct this deficiency are discussed.

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