2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/161173New BABAR results on B mesons and quarkonia are presented: an analysis of B+ --> X(3872)K+ and B0 --> X(3872)K0 decays with X(3872) --> J/Psi pi+pi-, a precise measurement of the B mass difference Delta mB = m(B0) - m(B+) and a study of hadronic transition between Upsilon mesons.4 pages, 6 postscript figues, contributed to the Proceedings of Moriond QCD 2008High Energy Physics - Experimenttext