Abstract
About 12 000 events with six prongs have been measured in 16 GeV/ c π −p interactions. Cross sections for the various reaction channels and for the production of mesonic baryonic resonances are given. In the reaction π −p → p π + π + π − π − π −, the ( π − π − π +) effective mass spectrum shows indications of enhancements near the A 1, A 1.5 and A 2-meson masses. The longitudinal momentum distributions and the average transverse momenta are presented. The distribution of the angles between pairs of pions is studied and it is shown that in π −p interactions the average opening angle for pairs of positive pions is smaller than that for pairs of negative pions.
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