The KN interaction from 800 to 1200 MeV/c (IV). Cross sections of K−n reactions

Abstract K − -neutrons reaction have been studied at eight different K − momenta between 700 and 1175 MeV/ c . Taking into account the Fermi motion of the neutron in the deuteron, this momentum range corresponds to a mass range of the K − n system between 1600 and 1900 MeV. 200 000 photographs with about 8 tracks/picture were taken in the 81 cm Saclay bubble chamber, filled with deuterium and exposed to a separated K − beam at the CERN proton synchrotron. A total of about 34 000 events has been obtained. Analysis and cross sections of the main reactions are reported.