Deep sub-threshold ${\Xi }^{-}$ production in Ar+KCl reactions at 1.76A GeV

G. Agakishiev, A. Balanda, R. Bassini +101

We report first results on a deep sub-threshold production of the doubly strange hyperon ${\Xi }^{-}$ in a heavy-ion reaction. At a beam energy of 1.76A GeV the reaction Ar+KCl was studie…