The fluctuations of quadrangular flow

Giuliano Giacalone, Li Yan, Jacquelyn Noronha-Hostler, Jean Yves Ollitrault

Research output: Contribution to journalConference articlepeer-review

Abstract

The ATLAS Collaboration has measured for the first time the fourth cumulant of quadrangular flow, v 4{4}4. Unlike the fourth cumulants of elliptic and triangular flows, it presents a change of sign above 30% centrality. We show that this change of sign is predicted by event-by-event hydrodynamics. We argue that it results from the combined effects of a nonlinear hydrodynamic response, which couples quadrangular flow to elliptic flow, and elliptic flow fluctuations.

Original languageEnglish (US)
Article number012064
JournalJournal of Physics: Conference Series
Volume779
Issue number1
DOIs
StatePublished - Feb 8 2017
Externally publishedYes
Event16th International Conference on Strangeness in Quark Matter, SQM 2016 - Berkeley, United States
Duration: Jun 27 2016Jul 1 2016

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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