Energy dependence of the charged multiplicity in deep inelastic scattering at HERA

Abstract

The charged multiplicity distributions and the mean charged multiplicity have been investigated in inclusive neutral current deep inelastic $ep$ scattering with the ZEUS detector at HERA, using an integrated luminosity of 38.6 pb${}^{-1}$. The measurements were performed in the current region of the Breit frame, as well as in the current fragmentation region of the hadronic centre-of-mass frame. The KNO-scaling properties of the data were investigated and the energy dependence was studied using different energy scales. The data are compared to results obtained in $\epem$ collisions and to previous DIS measurements as well as to leading-logarithm parton-shower Monte Carlo predictions.

28 pages, 11 figures

References in corpus (3)

• Studies of Hadronic Event Structure in e+e- Annihilation from 30 GeV to 209 GeV with the L3 Detector
• Charged Particle Production in High Q2 Deep-Inelastic Scattering at HERA
• Photoproduction of events with rapidity gaps between jets at HERA

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• Electroproduction of $D$- and $B$-mesons in high-multiplicity $ep$ collisions
• A hybrid model for multi-particle production and multi-fragment emission in electron-nucleus collisions at the forthcoming Electron-Ion Collider