3–7 juin 2024
Université de Strasbourg / Palais de la Musique et des Congrès
Fuseau horaire Europe/Paris

Clocking the particle production and tracking of strangeness balance and radial flow effects at top LHC energy with ALICE

4 juin 2024, 20:21
1m
Hall Schweitzer, ground floor (PMC)

Hall Schweitzer, ground floor

PMC

Poster Bulk matter phenomena, QCD phase diagram and Critical point Posters

Orateur

Victor Gonzalez Sebastian (Wayne State, Detroit)

Description

Balance functions have been used extensively to elucidate the time evolution of quark production in heavy-ion collisions. Early models predicted two stages of quark production, one for light quarks and one for the heavier strange quark, separated by a period of isentropic expansion. This led to the notion of clocking particle production and tracking radial flow effects, which drive the expansion of the system. The evolution of the azimuthal widths of the balance function has been later associated to the diffusivity of the light quarks.

In this talk, balance functions of identified particles in different multiplicity classes of pp Run 3 collisions at $\sqrt{s} = 13.6\;\text{TeV}$ recorded by ALICE are reported. The results are compared with different models as well as with previously published results on pp and Pb--Pb collisions at different energies. The results enable tracking the balancing of electric charge and strangeness by measuring how the widths and integrals of the charge and strangeness balance functions evolve across the collision energies.

Auteur principal

Victor Gonzalez Sebastian (Wayne State, Detroit)

Co-auteur

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