2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/48230Relativistic properties of qqbar potentail, mass spectra of orbitally and radially excited B and D mesons as well as semileptonic decays of B mesons to orbitally excited D mesons are discussed in the framework of the relativistic quark model based on the quasipotential approach.10 pages, LaTeX, talk given at the International Seminar ``Quarks' 98'', May 18-24, 1998, Suzdal, RussiaHigh Energy Physics - Phenomenologytext