Topological studies of charged particle production and search for jet quenching effects in small collision systems with ALICE

2021/03/12 by S. Tripathy, Tripathy, Sushanta
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Experiment (hep-ex) #High-Energy Particle Collisions Research #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions

paper · pdf · doi:10.48550/arxiv.2103.07218

openalex publication_date 2021/03/12 · openalex created_date 2022/07/25 · openalex updated_date 2026/07/28

Abstract

Results for high multiplicity pp and p-Pb collisions at the LHC have revealed that these small collision systems exhibit features of collectivity. To understand the origin of these unexpected phenomena, the relative transverse activity classifier (R_\rmT) can be exploited as a tool to disentangle soft and hard particle production, by studying the yield of charged particles in different topological regions associated with transverse momentum trigger particles. This allows to study system size dependence of charged particle production of different origins and in particular search for jet-quenching effects. Here, results on the system size and R_\rmT dependence of charged particle production in pp, p-Pb and Pb-Pb collisions at √s_{\rm NN} = 5.02 TeV are presented.

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