|V_{ub}| and Perturbative QCD Effects in the $B\toπ$ Transition Form Factor

2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/47520We report on recent improvements for the $B\toπ$ form factor. The updated value of $|V_{ub}|$ is presented.7 pages, Latex, 3 figures included, Talk given by O. Yakovlev at IV Int. Workshop on Progress in Heavy Quark Physics, Rostock, September 20-22High Energy Physics - Phenomenology|V_{ub}| and Perturbative QCD Effects in the $B\toπ$ Transition Form Factortext