PoS - Proceedings of Science
Volume 320 - 12th International Workshop on High-pT Physics in the RHIC/LHC Era (High-pT2017) - Correlations of jets and leading particles
Angular correlation results from ALICE
M. Varga-Kőfaragó
Full text: pdf
Pre-published on: June 20, 2019
Published on: October 09, 2019
In heavy-ion collisions, the quark--gluon plasma is expected to be produced, which is an almost perfect liquid that made up the Universe a few microseconds after the Big Bang. In these collisions, jets are also formed from hadronizing partons with high transverse momentum, and they traverse the hot and dense medium and interact with it. Their properties can be modified by these interactions, therefore these modifications, if present, can give insight into the properties of the plasma itself. Angular correlation measurements can be used to study jets in Pb-Pb collisions in a transverse momentum ($p_{\rm T}$) regime where jets are not easily reconstructable above the fluctuating background. Small collision systems (e.g., pp or p-Pb) can be used as reference for these measurements; however, these collisions themselves are of interest. For example, particle production mechanisms and conservation laws can be tested in these systems. Results from Pb-Pb and pp collisions recorded by the ALICE detector are presented in this paper.
DOI: https://doi.org/10.22323/1.320.0037
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