SMuK 2023 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 74: Poster

HK 74.20: Poster

Donnerstag, 23. März 2023, 17:30–19:00, HSZ EG

First pp correlation function with data taken by ALICE in Run 3 — •Anton Riedel and Georgios Mantzaridis for the ALICE Germany collaboration — Technical University of Munich (TUM), Garching, Germany

Femtoscopy has proven itself as a precise tool to constrain the strong interaction between hadrons in previously inaccessible sectors. When the source of particles in a collision is known, it is possible to probe the interaction potential between two particles. Already during Run 2 of the LHC an universal source of hadrons in pp collisions has been identified and benchmarked by studying the correlations of the produced proton-proton pairs. With this result as a foundation it was possible to probe the strong force between many different pairs of hadrons like p-Λ, p-Ω, p-φ and many more. With the recently started LHC Run 3 and the upgraded ALICE detector, femtoscopic studies can now be performed with an even greater precision and even more exotic interactions can be experimentally constrained for the first time. The proton-proton correlation function will be the starting point for gauging the universal hadron emission source in the new available data.

In this poster we present the first steps in the femtoscopy campaign of ALICE in Run 3, namely the proton proton correlation function, measured in pp collisions at √s=13.6 TeV at the ALICE experiment at the LHC.

This project has been funded by the DFG under Germany’s Excellence Strategy - EXC2094 - 390783311 and by BMBF Verbundforschung (05P21WOCA1 ALICE).