The Gluon Propagator without lattice Gribov copies on a finer lattice

Authors :: Alexandrou, Constantia
De Forcrand, Ph
Follana, E.
Alexandrou, Constantia [0000-0001-9136-3621]
Source :: Physical Review D
Publication Year :: 2001
Publisher :: arXiv, 2001.
Abstract: We extend our study of the gluon propagator in quenched lattice QCD using the Laplacian gauge to a finer lattice. We verify the existence of a pole mass as we take the continuum limit and deduce a value of $\sim 600^{+150}_{-30}$ MeV for this pole mass. We find a finite value of $(454(5){\rm MeV})^{-2}$ for the renormalized zero-momentum propagator, in agreement with results on coarser lattices.<br />Comment: 5 pages, 5 figures. Extended version to appear in Phys. Rev. D