2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/204572We report on the scaling of basic hadronic observables in lattice QCD with N_f=2 maximally twisted Wilson dynamical quarks. We give preliminary results for some of the Gasser-Leutwyler low energy constants, the chiral condensate and the average mass of u and d quarks.14 pages. Presented at the XXV International Symposium on Lattice Field Theory, July 30 - August 4 2007, RegensburgHigh Energy Physics - Latticetext