QCD critical point: what it takes to discover

TL;DR

This paper investigates the signatures of the QCD critical point in heavy ion collisions by analyzing event-by-event fluctuations through thermodynamic methods, aiming to identify signals indicative of the critical point's proximity.

Contribution

It provides a detailed thermodynamic analysis of fluctuation effects related to the QCD critical point in heavy ion collision experiments, advancing understanding of critical phenomena in QCD.

Findings

Identification of fluctuation patterns sensitive to the critical point

Quantitative measures of event-by-event fluctuations near the critical point

Insights into thermodynamic signatures of phase transition in QCD

Abstract

This report summarizes the results of the work done in collaboration with K. Rajagopal and E. Shuryak. We analyze the physics behind the event-by-event fluctuations in heavy ion collisions. Using thermodynamic description of the ensemble of events we analyze and quantify various effects that are sensitive to the proximity of the critical point on the phase diagram of QCD.