Köln 2025 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 23: Poster

HK 23.21: Poster

Dienstag, 11. März 2025, 17:30–19:00, Foyer Physik

Investigating anisotropic flow in Run 3 Pb-Pb collisions at ALICE — •Luca Italiano for the ALICE Germany collaboration — Technical University of Munich, Munich, Germany

In heavy ion collisions, the generation of final-state particle spectra is influenced by the collective expansion of the system in the quark-gluon plasma (QGP) phase, in addition to other non-collective effects. This collectivity is quantified experimentally by determining the v_n harmonics from the Fourier decomposition of the azimuthal spectra. Monte Carlo simulations can also supplement the analysis by providing insights to the initial geometry of the collision events. In this study, observables sensitive to collective anisotropic flow are extracted for Run 3 Pb-Pb collision data, with a focus on how these values are related to the detector occupancy and interaction rates.

Keywords: Anisotropic flow; Collectivity; Occupancy; Monte Carlo simulations