4–10 Apr 2022
Auditorium Maximum UJ
Europe/Warsaw timezone
Proceedings submission deadline extended to September 11, 2022

Event-by-event fluctuations of mean transverse momentum in Pb--Pb, Xe--Xe and pp collisions with ALICE

6 Apr 2022, 17:42
4m
Poster Correlations and fluctuations Poster Session 1 T07_2

Speaker

Tulika Tripathy (IIT- Indian Institute of Technology (IN))

Description

Event-by-event fluctuations of the mean transverse momentum, $\langle p_{\rm{T} }\rangle$, of charged particles produced in Pb--Pb and Xe--Xe collisions at $\sqrt {s_{\rm{NN} }}= 5.02 $ TeV and $\sqrt {s_{\rm{NN} }}= 5.44$ TeV, respectively, and pp collisions at $\sqrt s = 5.02 $ TeV are studied as a function of the charged-particle multiplicity using the ALICE detector at the LHC. Dynamical fluctuations are observed in all the three collision systems which indicates correlated particle emission. The peripheral A--A data exhibit a similar multiplicity dependence as that observed in pp. The central Pb--Pb and Xe--Xe collisions show a significant reduction of the fluctuation and are in quantitative agreement with previous measurements in Au--Au and Pb--Pb collisions at lower energies. The fluctuation has also been investigated for different transverse spherocity classes in pp collisions to understand the contribution from an underlying event.

Author

Tulika Tripathy (IIT- Indian Institute of Technology (IN))

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