2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/188087This paper reviews semileptonic decays of $B$-mesons to states containing charm mesons, i.e., D, D*, D** and possible non-resonant D^{(*)}npi states as well. The paper covers measurement of branching fractions, form-factors and, most importantly, the magnitude of the CKM matrix element V_cb.22 pages, 10 figuresHigh Energy Physics - Experimenttext