Glueball spectrum in a (1+1)-dimensional model for QCD

Details Glueball spectrum in a (1+1)-dimensional model for QCD Glueball spectrum in a (1+1)-dimensional model for QCD

1993-11-02

arxiv.org/abs/hep-th/9311015v1

Nucl.Phys. B418 (1994) 15-29

Physics

High Energy Physics

High Energy Physics - Theory

17 pages, uses phyzzx and table.tex, 5 figures available upon request from kresimir@puhep1.princeton.edu

Scientific paper

10.1016/0550-3213(94)90236-4

We consider (1+1)-dimensional QCD coupled to scalars in the adjoint representation of the gauge group SU($N$). This model results from dimensional reduction of the (2+1)-dimensional pure glue theory. In the large-N limit we study the spectrum of glueballs numerically, using the discretized \lcq. We find a discrete spectrum of bound states, with the density of levels growing approximately exponentially with the mass. A few low-lying states are very close to being eigenstates of the parton number, and their masses can be accurately calculated by truncated diagonalizations.

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