2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/224965Decays of B mesons to states involving tau leptons can be used as a tool to search for the effects of new physics, such as those involving a charged Higgs boson. The experimental status of the decays B -> tau nu and B -> D^(*) tau nu is discussed, together with limits on new physics effects from current results.6 pages, 12 figures, contributed to the Proceedings of Heavy Quarks and Leptons, Melbourne, 2008High Energy Physics - Experimenttext