Overview of fluctuation and correlation measurements

Abstract

One of the ultimate goals of nuclear collision experiments at high energy is to map the phase diagram of strongly interacting matter. A very challenging task is the determination of the QCD phase structure including the search for critical behavior and verification of the possible existence of a critical end point of a first order phase transition line. A promising tool to probe the presence of critical behavior is the study of fluctuations and correlations of conserved charges since, in a thermal system, these fluctuations are directly related to the equation of state (EoS) of the system under the study. In this report an overview is given of several experimental measurements on net-proton multiplicity distributions such as cumulants and multi-particle correlation functions.

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Cited by in corpus (5)

• 50 Years of Quantum Chromodynamics
• Relativistic nuclear collisions: Establishing a non-critical baseline for fluctuation measurements
• Fluctuations and correlations of net baryon number, electric charge and strangeness in a background magnetic field
• A model-free procedure to correct for volume fluctuations in E-by-E analyses of particle multiplicities
• Deciphering the phases of QCD matter with fluctuations and correlations of conserved charges