A method to test the coupling strength of the linear and nonlinear contributions to higher-order flow harmonics via event shape engineering

A multi-phase transport model is used to study the efficacy of shape-engineered events to delineate the degree of coupling between the linear and nonlinear contributions to the higher-order flow harmonics v4 and v5. The study shows that the nonlinear contributions are strongly shape-dependent while...

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Bibliographic Details
Published inJournal of physics. G, Nuclear and particle physics Vol. 48; no. 2; pp. 25101 - 25109
Main Authors Magdy, Niseem, Evdokimov, Olga, Lacey, Roy A
Format Journal Article
LanguageEnglish
Published United States IOP Publishing 16.12.2020
Subjects
collectivity
correlation
heavy-ion collisions
NUCLEAR PHYSICS AND RADIATION PHYSICS
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Summary:A multi-phase transport model is used to study the efficacy of shape-engineered events to delineate the degree of coupling between the linear and nonlinear contributions to the higher-order flow harmonics v4 and v5. The study shows that the nonlinear contributions are strongly shape-dependent while the linear contributions are shape-independent, indicating little if any, coupling between the linear and nonlinear flow coefficients. The experimental verification of such patterns could be an invaluable tool for robust extraction of the linear and mode-coupled flow coefficients, especially for beam energies where the charged particle multiplicity and the event statistics precludes the use of current methods to establish the coupling strength.
Bibliography:JPhysG-103447.R2
DOE-UIC-ER-40865-J2021-7
FG02-94ER40865; FG02-87ER40331
USDOE Office of Science (SC), Nuclear Physics (NP)
ISSN:0954-3899
1361-6471
DOI:10.1088/1361-6471/abcb59