Overview of intermittency analysis in heavy-ion collisions

Abstract

In this paper, a search for power-law fluctuations with fractality and intermittency analysis to explore the QCD phase diagram and the critical point is summarized. Experimental data on self-similar correlations and fluctuations with respect to the size of phase space volume in various high energy heavy-ion collisions are presented, with special emphasis on background subtraction and efficiency correction of the measurement. Phenomenological modelling and theoretical work on the subject are discussed. Finally, we highlight possible directions for future research.

arXiv commentInvited brief review from MPLA, modified according to the journal requirement and a few typos corrected

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• Machine learning phase transitions of the three-dimensional Ising universality class
• Intermittency of charged particles in the hybrid UrQMD+CMC model at energies available at the BNL Relativistic Heavy Ion Collider
• Identifying weak critical fluctuations of intermittency in heavy-ion collisions with topological machine learning