Locating critical point of QCD phase transition basing on finite-size scaling

2009/04/07 by Lizhu, Chen, Chen, X. S., Yuanfang, Wu
#FOS: Physical sciences #Nuclear Theory (nucl-th)

paper · doi:10.48550/arxiv.0904.1040

Abstract

It is argued that in relativistic heavy ion collisions, due to limited size of the formed matter, the reliable criterion of critical point is finite-size scaling, rather than non-monotonous behavior of observable. How to locate critical point by finite-size scaling is proposed. The data of \pt correlation from RHIC/STAR are analyzed. Critical points are likely observed around √ s =62 and 200 GeV. They could be, respectively, the transition of deconfinement and chiral symmetry restoration predicted by lattice-QCD. Further confirmation with other observable and energies is suggested.

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