2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/198382We use simulations of heavy quark effective field theory to calculate the Isgur-Wise function, and we demonstrate the feasibility of calculating the matrix element for the $B \to π+ \leptons$ decay in the lattice heavy quark effective theory (HQET).3 pages, 2 figures, talk presented at the lattice 97 conferenceHigh Energy Physics - LatticeB meson form factors from HQET simulationstext