Study ofK*(1780)in the ReactionKpKπ+nat 6 GeV/c

Abstract
We observe a Kπ+ state at 1786 ± 8 MeV with a width 95 ± 31 MeV in the reaction KpKπ+n at 6 GeV/c, from an experiment carried out at the Brookhaven National Laboratory multiparticle spectrometer.