Azimuthal anisotropy measurement of (multi)strange hadrons in Au+Au collisions at √sNN=54.4 GeV
| dc.citation.articleNumber | 024912 | en_US |
| dc.citation.issueNumber | 2 | en_US |
| dc.citation.journalTitle | Physical Review C | en_US |
| dc.citation.volumeNumber | 107 | en_US |
| dc.contributor.author | STAR Collaboration | en_US |
| dc.date.accessioned | 2023-03-23T14:10:33Z | en_US |
| dc.date.available | 2023-03-23T14:10:33Z | en_US |
| dc.date.issued | 2023 | en_US |
| dc.description.abstract | Azimuthal anisotropy of produced particles is one of the most important observables used to access the collective properties of the expanding medium created in relativistic heavy-ion collisions. In this paper, we present second (v2) and third (v3) order azimuthal anisotropies of K0S, ϕ, Λ, Ξ, and Ω at midrapidity (|y|<1) in Au+Au collisions at √sNN=54.4 GeV measured by the STAR detector. The v2 and v3 are measured as a function of transverse momentum and centrality. Their energy dependence is also studied. v3 is found to be more sensitive to the change in the center-of-mass energy than v2. Scaling by constituent quark number is found to hold for v2 within 10%. This observation could be evidence for the development of partonic collectivity in 54.4 GeV Au+Au collisions. Differences in v2 and v3 between baryons and antibaryons are presented, and ratios of v3/v3/22 are studied and motivated by hydrodynamical calculations. The ratio of v2 of ϕ mesons to that of antiprotons [v2(ϕ)/v2(¯p)] shows centrality dependence at low transverse momentum, presumably resulting from the larger effects from hadronic interactions on antiproton v2. | en_US |
| dc.identifier.citation | STAR Collaboration. "Azimuthal anisotropy measurement of (multi)strange hadrons in Au+Au collisions at √sNN=54.4 GeV." <i>Physical Review C,</i> 107, no. 2 (2023) American Physical Society: https://doi.org/10.1103/PhysRevC.107.024912. | en_US |
| dc.identifier.digital | PhysRevC-107-024912 | en_US |
| dc.identifier.doi | https://doi.org/10.1103/PhysRevC.107.024912 | en_US |
| dc.identifier.uri | https://hdl.handle.net/1911/114526 | en_US |
| dc.language.iso | eng | en_US |
| dc.publisher | American Physical Society | en_US |
| dc.rights | Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. | en_US |
| dc.title | Azimuthal anisotropy measurement of (multi)strange hadrons in Au+Au collisions at √sNN=54.4 GeV | en_US |
| dc.type | Journal article | en_US |
| dc.type.dcmi | Text | en_US |
| dc.type.publication | publisher version | en_US |
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