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HK: Fachverband Physik der Hadronen und Kerne

HK 9: Heavy-Ion Collisions and QCD Phases II

HK 9.5: Talk

Monday, March 11, 2024, 18:00–18:15, HBR 62: EG 05

towards the extraction of the baryon chemical potential for the fixed-target program at STAR — •Yannick Söhngen for the CBM collaboration — Physikalisches Institut Heidelberg

The fixed-target program at STAR aims to extend the range in which the phase diagram of strongly interacting matter can be investigated towards lower collision energies or higher values of the baryon chemical potential. The ratio of proton and antiproton yields has been shown to provide a good estimator for the value of the baryon chemical potential. The status of current efforts to extract the baryon chemical potential at energies close to proton pair-production in gold-gold collisions will be presented and discussed.

Keywords: heavy ions; baryon chemical potential; proton antiproton ratio; STAR fixed target program; CBM FAIR-Phase 0