Hadron multiplicity in semiinclusive lepton nucleon and lepton nucleus scattering

Benhar, O. (Rome U.) ; Fantoni, S. (SISSA, Trieste) ; Lykasov, G.I. (Dubna, JINR) ; Sukhatme, U. (SUNY, Buffalo) ; Uzhinsky, V.V. (Dubna, JINR)

Published in: Eur.Phys.J.
Year: 2004
Vol.: A19
Page No: 147-151 / 147-151
Pages: 5

Abstract: We discuss multi-hadron production in both inelastic neutrino-nucleon interactions in the current fragmentation region and neutrino-nucleus collisions in the target fragmentation region. Our analysis, carried out within the framework of the quark-gluon string model, is mainly focused on the difference between these two processes. We show that the $Q^2$ dependence of hadron multiplicity in the current and target fragmentation regions is indeed completely different. The study of inelastic $\nu-A$ scattering in the target fragmentation region also provides new information on nuclear structure at small $N-N$ distances. The results of the proposed approach are in satisfactory agreement with the data recently obtained at CERN by the NOMAD Collaboration.


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