Multiplicity dependence of the p_T-spectra for charged particles and its relationship with partonic entropy

2024/05/02 by L. S. Moriggi, Moriggi, L. S., G. S. Ramos +3 · 2 citations
Mathematics · Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Experiment (hep-ex) #High Energy Physics - Phenomenology (hep-ph) #Quantum Mechanics and Applications #Statistical Mechanics and Entropy #advanced mathematical theories

paper · pdf · doi:10.48550/arxiv.2405.01712

openalex publication_date 2024/05/02 · openalex created_date 2024/05/11 · openalex updated_date 2026/07/31

Abstract

We investigate the multiplicity dependence of the transverse momentum p_T spectra of hadrons produced in high-energy collisions. We propose that the partonic distribution be parameterized by its non-extensive entropy and the parton saturation scale Q_s(x). These two variables can be identified from the produced charged hadron distributions and provide important information on the gluon dynamics at the moment of interaction. From this perspective we interpret data from different ALICE multiplicity classes at √(s)= 13 TeV and √(s)= 5.02 TeV. A multiplicity dependent scaling function is presented and the dependence of the interaction area on multiplicity is also investigated.

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• Probing Saturon-like Limits in QCD Systems
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