Glueballs from Improved Lattice Actions
Colin Morningstar, Mike Peardon
Abstract
The low-lying glueball masses and the hadronic scale r0 are computed in lattice SU(3) gauge theory with the aim of establishing the effectiveness of the improved action approach in removing finite-spacing artifacts. The use of anisotropic lattices in which the temporal spacing is much smaller than that in the spatial directions allows much more efficient glueball mass measurements.
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