arXiv:hep-lat/0504017·v1·High Energy Physics — Lattice
Artefacts and <A2> power corrections : revisiting the MOM Z_psi and Z_V
Ph. Boucaud🇫🇷 · F. de Soto🇪🇸 · J.P. Leroy🇫🇷 · A. Le Yaouanc🇫🇷 · J. Micheli🇫🇷 · H. Moutarde🇫🇷 · O. Pene🇫🇷 · J. Rodriguez-Quintero🇪🇸
Abstract
We extract the power corrections due to the A^2 condensate in the overlap quark propagator (vector part of the inverse propagator Z_psi). The results are consistent with the previous gluon analysis. The role of artefacts is extensively discussed.
Comments: 33 pages, 5 figures