Status of alphaₛ determinations from the non-perturbatively renormalised three-gluon vertex
Alles, B. · Panagopoulos, H. · Parrinello, C. · Pittori, C. · Richards, D. G.
Original · EN
We demonstrate the feasibility of computing alphaₛ from the lattice three-gluon vertex in the Landau gauge. Data from 16⁴ and 24⁴ quenched lattices at beta=6.0 are presented. Our main result is that 2-loop asymptotic scaling is observed for momenta in the range 1.8-2.3 Gev, where lattice artifacts appear to be under control.
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