The search for the expected first-order phase transition between the hadronic matter and quark-gluon plasma and the corresponding critical endpoint is an active field of research. One of the main approaches to study this problem is based on fluctuations of e.g. net-baryon number, net-charge, or net-strangeness number measured in relativistic heavy-ion collisions. The cumulants are commonly used to quantify such fluctuations and correlations. However, the factorial cumulants are easier to interpret since they represent the integrated genuine multi-particle correlation functions. It is important to study the correlations originating from effects other than those related to the first-order phase transition. In this talk, the proton, antiproton, and mixed proton-antiproton factorial cumulants originating from the global baryon number conservation will be presented. Our results can be tested experimentally.
Michał Barej, M.Sc., AGH University of Science and Technology, Krakow, Poland
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