Static potentials and glueball masses from QCD simulations with Wilson sea quarks

Abstract

We calculate glueball and torelon masses as well as the lowest lying hybrid potential in addition to the static ground state potential in lattice simulations of QCD with two flavours of dynamical Wilson fermions. The results are obtained on lattices with $16^3\times 32$ and $24^3\times 40$ sites at $\beta =5.6$, corresponding to a lattice spacing, $a^{-1}=2.65_{-8}^{+5}$ GeV, as determined from the Sommer force radius, at physical sea quark mass. The range spanned in the present study of five different quark masses is reflected in the ratios, $0.83\ge m_{\pi }/m_{\rho }\ge 0.57$.

14 pages, 20 Figures, revtex, epsf one new reference added, typos removed, stylistic changes

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