2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/123116Current experiments at the B factories, designed to perform precision measurements of matter-antimatter asymmetry in the B meson system, have a much broader physics reach especially in the sector of quarkonium spectroscopy. Here we present a minireview on the new charmonium-like states observed at the B factories including the X(3872) and Y(4260).12 pages, 8 postscript figures, contributed to the Proceedings of the 17th DAE-BRNS High Energy Physics Symposium, IIT, Kharagpur, IndiaHigh Energy Physics - Experimenttext