Résumé : A 2.1 GeV/c K- exposure in a heavy-liquid bubble chamber has been used to search for the final state Y*(1327) → Λγ. No evidence was found for the existence of this state; an upper limit is placed on the cross-section of the reaction K- + p → Y*(1327) + π+ + π- + nπo, n ≥ 0. © 1970.