Beam energy dependence of the linear and mode-coupled flow harmonics in Au+Au collisions

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dc.citation.articleNumber137755en_US
dc.citation.journalTitlePhysics Letters Ben_US
dc.citation.volumeNumber839en_US
dc.contributor.authorSTAR Collaborationen_US
dc.date.accessioned2023-03-10T19:04:07Zen_US
dc.date.available2023-03-10T19:04:07Zen_US
dc.date.issued2023en_US
dc.description.abstractThe linear and mode-coupled contributions to higher-order anisotropic flow are presented for Au+Au collisions at sNN = 27, 39, 54.4, and 200 GeV and compared to similar measurements for Pb+Pb collisions at the Large Hadron Collider (LHC). The coefficients and the flow harmonics' correlations, which characterize the linear and mode-coupled response to the lower-order anisotropies, indicate a beam energy dependence consistent with an influence from the specific shear viscosity (η/s). In contrast, the dimensionless coefficients, mode-coupled response coefficients, and normalized symmetric cumulants are approximately beam-energy independent, consistent with a significant role from initial-state effects. These measurements could provide unique supplemental constraints to (i) distinguish between different initial-state models and (ii) delineate the temperature (T) and baryon chemical potential (μB) dependence of the specific shear viscosity ηs(T,μB).en_US
dc.identifier.citationSTAR Collaboration. "Beam energy dependence of the linear and mode-coupled flow harmonics in Au+Au collisions." <i>Physics Letters B,</i> 839, (2023) Elsevier: https://doi.org/10.1016/j.physletb.2023.137755.en_US
dc.identifier.digital1-s2-0-S0370269323000898-mainen_US
dc.identifier.doihttps://doi.org/10.1016/j.physletb.2023.137755en_US
dc.identifier.urihttps://hdl.handle.net/1911/114488en_US
dc.language.isoengen_US
dc.publisherElsevieren_US
dc.rightsThis is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).en_US
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/).en_US
dc.titleBeam energy dependence of the linear and mode-coupled flow harmonics in Au+Au collisionsen_US
dc.typeJournal articleen_US
dc.type.dcmiTexten_US
dc.type.publicationpublisher versionen_US
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