2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/82345We study the interaction of the $Θ^+$ pentaquark with nuclear matter associated to the $KN$ decay channels and to the two meson cloud. We find that the potential is attractive and could be strong enough to lead to the existence of $Θ^+$ nuclear bound states.Invited talk at the International Workshop on Strangeness Nuclear Physics,July 29-31, 2004,Osaka University, Osaka, JapanNuclear Theorytext