2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/48574An overview of the theory of B physics is given, with an emphasis on issues in the strong interactions and hadronic physics. This article is taken from an introductory chapter of The BaBar Physics Book - Physics at an Asymmetric B Factory, SLAC Report SLAC-R-504. It is written at the level of a basic survey aimed at the experimental community.28 pages, 3 embedded figures, uses REVTeXHigh Energy Physics - PhenomenologyHigh Energy Physics - Experimenttext