Abstract

The inclusive production of π + for 0.4≤ p T<1.0 GeV/ c in pion-nucleus and proton-nucleus collisions at 4.3 GeV/ c was measured. A strong A-dependence of the cross sections at high p T is observed to be persistent in the low energy region. The ratio of the cross sections for proton-nucleus and pion-nucleus collisions is also observed to be compatible with the quark-parton picture, for p T>0.6 GeV/ c.

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