Study of the reactionp¯n→p¯pπat 14.6 GeV/c

Abstract

From a 98 000-photograph exposure of the BNL 80-in. deuterium-filled chamber to a 14.ti-GeV/c P beam we have extracted those events that fit the channelfic -D a -The cross section for this channel is measured to be 730 * 50 pb. The cross section f o r the reaction& -i%--(1238)p is determined to be 130 = 30 pb. Evidence for target dissociation is presented. A comparison with the reaction a-t~ .-71-p i~-at the same energy indicates agreement with factorization.