TL;DR
This paper investigates charged multiplicity fluctuations in deep-inelastic scattering to test perturbative QCD and local parton hadron duality, comparing experimental data with theoretical predictions and Monte Carlo models.
Contribution
It provides the first detailed comparison of multiplicity fluctuations in DIS with both analytic pQCD + LPHD predictions and QCD-based Monte Carlo models.
Findings
Measurements agree with pQCD + LPHD predictions in certain phase space regions.
Monte Carlo models show good overall agreement with experimental data.
Results support the validity of perturbative QCD and LPHD in describing multiplicity fluctuations.
Abstract
The charged multiplicity fluctuations in deep-inelastic scattering (DIS) are investigated to test perturbative QCD and local parton hadron duality (LPHD). The fluctuations were measured with the ZEUS detector at HERA in restricted phase space domains in the current Breit frame region. The measurements are compared to analytic pQCD + LPHD predictions and QCD-based Monte Carlo models.
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