SMuK 2023 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 6: Heavy-Ion Collisions and QCD Phases II

HK 6.1: Gruppenbericht

Montag, 20. März 2023, 16:30–17:00, SCH/A315

Dielectrons with ALICE - Past, Present, Future — •Sebastian Scheid for the ALICE Germany collaboration — Goethe University, Frankfurt, Germany

The measurement of dielectrons is a fundamental piece in the understanding of hot and dense matter produced in ultra-relativistic heavy-ion collisions. The dielectron spectra yield information that pierce the veil of final-state hadronic interactions and give direct access to the early phases of the collision. ALICE recently started the LHC Run 3 data taking campaign after a major upgrade of the detector, which will significantly improve the capabilities to measure dileptons.

In this talk, we will give an overview of the dielectron measurements achieved so far with ALICE in different collision systems. Furthermore, the status of the Run 3 analyses together with the prospects for the Runs 3 and 4 will be presented. In particular, the impact of the detector upgrades installed during the long shut down will be explained. Finally, ultimate precision dielectron measurements in the 2030s with ALICE 3, a next-generation heavy-ion experiment at the LHC, will be discussed.