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HK: Fachverband Physik der Hadronen und Kerne
HK 22: Heavy-Ion Collisions and QCD Phases IV
HK 22.5: Vortrag
Dienstag, 12. März 2024, 17:00–17:15, HBR 62: EG 05
Differential multiharmonic flow correlations in ALICE and CBM — •Ante Bilandzic1, ALICE Collaboration2, and CBM Collaboration2 — 1Technical University of Munich — 2N/A
Recently developed multiharmonic flow observables, Symmetric Cumulants (SC) and Asymmetric Cumulants (AC) of flow amplitudes provide independent constraints for properties of nuclear matter produced in heavy-ion collisions when compared to the traditional studies of individual flow harmonics.
This contribution will present the latest differential measurements of SC and AC observables obtained in Pb–Pb collisions in ALICE. The corresponding feasibility studies for the future CBM experiment will also be discussed. Two experiments probe different regions of the QCD phase diagram — ultrarelativistic heavy-ion collisions at the LHC at CERN explore the regime of very high temperatures (re-creating the conditions which existed in the very early Universe), while the experiments at FAIR at GSI explore the regime of very large net-baryon densities (re-creating the conditions which exist in the core of neutron stars). Multiparticle cumulant analysis is more challenging in CBM than ALICE due to the smaller center of mass collision energies and multiplicities.