arXiv:0906.1390·v2·High Energy Physics — Phenomenology
The QCD static energy at NNNLL
Nora Brambilla🇩🇪 · Xavier Garcia i Tormo🇺🇸 · Joan Soto🇪🇸 · Antonio Vairo🇩🇪
Abstract
We compute the static energy of QCD at short distances at next-to-next-to-next-to leading-logarithmic accuracy in terms of the three-loop singlet potential. By comparing our results with lattice data we extract the value of the unknown piece of the three-loop singlet potential.
Comments: 25 pages, 16 figures. v2: Incorrect files for figure 7 replaced by the correct ones. One reference added