Morningstar, C., Peardon, M. ‘Glueball spectrum from an anisotropic lattice study’ in Physical Review D, 60, 1999, pp 034509-1 - 034509-13
Physical Review D 60
The spectrum of glueballs below 4 GeV in the SU~3! pure-gauge theory is investigated using Monte Carlo
simulations of gluons on several anisotropic lattices with spatial grid separations ranging from 0.1 to 0.4 fm.
Systematic errors from discretization and finite volume are studied, and the continuum spin quantum numbers
are identified. Care is taken to distinguish single glueball states from two-glueball and torelon-pair states. Our
determination of the spectrum significantly improves upon previous Wilson action calculations.
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