Skewness of event-by-event ⟨pT⟩ distribution of charged particles at LHC energies with ALICE
S. Saha*
on behalf of the ALICE collaboration*: corresponding author
Pre-published on:
November 28, 2022
Published on:
June 15, 2023
Abstract
The study of fluctuation in event-by-event mean transverse momentum (⟨pT⟩) is considered a useful tool to understand the dynamics of the system produced in the ultrarelativistic collisions. The measurement of skewness of ⟨pT⟩ can help in probing hydrodynamic behavior of the system and can be a direct way of observing initial-state fluctuations. Recent measurement of skewness of ⟨pT⟩ distribution as a function of average charged particle density in Pb−Pb collisions at √sNN = 5.02 TeV and Xe−Xe collisions at √sNN = 5.44 TeV recorded by ALICE is presented. For the baseline study, the analysis is also performed in pp collisions at √s = 5.02 TeV. The measurements are compared to hydrodynamic model calculations and results from Monte Carlo event generators.
DOI: https://doi.org/10.22323/1.414.1157
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