Abstract
An analysis of projectile helium ( Z = 2) fragments emitted from 855 minimum-bias events of 28 Si projectiles in nuclear emulsion at 14.6 A GeV has been performed. An event-by-event examination has been made from the minimum-bias events in order to see the dependence of shower and target fragments multiplicities in individual helium reaction channels. The validity of KNO scaling for the projectile helium ( Z = 2) fragments has also been studied. The angular and derived pseudorapidity and momentum distributions of projectile helium ( Z = 2) fragments are found to be characteristically Gaussian shaped with some width σ.
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