Abstract
The experimental data on inclusive spectra of the π+ mesons produced in p+A collisions at the incident proton momentum of 400 GeV/c obtained by G. Leksin group at FNAL are analyzed in the framework of z-scaling. Self-similarity of the hadron production in the low-pT cumualtive region is verified. The scaling function ψ(z) is expressed via the invariant cross section Ed3σ/dp3 and the average multiplicity density dNch/dη of charged particles. Results of the analysis of the low-pT data are compared with the high-pT data sets obtained by J. Cronin, R. Sulyaev and D. Jaffe groups. Indication on self-similarity of the cumulative pion production over a wide kinematical range has been found. Based on the universality of the shape of ψ(z) the inclusive cross sections of the π+ mesons produced in p+A collisions in deep-cumulatice region (x2≫1/A) are predicted.
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