Gluon propagator, triple gluon vertex and the QCD coupling constant
High Energy Physics - Lattice
2015-06-25 v1
Abstract
We study the UV-scaling of the flavorless gluon propagator in the Landau gauge in an energy window up to 9 GeV. Dominant hypercubic lattice artifacts are eliminated. A large set of renormalization schemes is used to test asymptotic scaling. We compare with our results obtained directly from the triple gluon vertex. We end-up with \Lambda_{\bar{\rm{MS}}} = 318(12)(5) MeV and 292(5)(15) MeV respectively for these two methods, compatible which each other but significantly above the Schrodinger method estimate.
Keywords
Cite
@article{arxiv.hep-lat/9908056,
title = {Gluon propagator, triple gluon vertex and the QCD coupling constant},
author = {D. Becirevic and Ph. Boucaud and J. P. Leroy and J. Micheli and O. Pene and J. Rodriguez-Quintero and C. Roiesnel},
journal= {arXiv preprint arXiv:hep-lat/9908056},
year = {2015}
}
Comments
3 pages, LaTeX with two figures; presented at LATTICE99