PoS - Proceedings of Science
Volume 398 - The European Physical Society Conference on High Energy Physics (EPS-HEP2021) - T06: QCD and Hadronic Physics
Underlying Event studies and search for jet-like modifications in pp and p-Pb collisions with ALICE at the LHC
A. Mehmood Khan*  on behalf of the ALICE collaboration
Full text: pdf
Pre-published on: March 07, 2022
Published on: May 12, 2022
It is well-established that high-multiplicity pp and p--Pb collisions exhibit various signatures associated with the formation of QGP in heavy-ion collisions.
In this contribution, we present results obtained using Underlying Event (UE) techniques, used to measure the average number density and the average total transverse momentum ($p_{\rm T}$) in the Transverse region with respect to the leading trigger particle, but employed in novel ways.
A conventional UE analysis is applied in p--Pb collisions at $\sqrt{s_{\rm NN}}$ = 5.02 TeV to test the similarities between pp and p--Pb collisions.
The results are compared with predictions from QCD-inspired Monte Carlo event generators.
Finally, the UE studies are used to search for jet-like modifications by subtracting the UE contributions measured in the Transverse region from the Toward and the Away regions.
DOI: https://doi.org/10.22323/1.398.0344
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