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Beam-Energy Dependence of Directed Flow of Λ, Λ , K±, Ks0, and φ in Au+Au Collisions
Resource type
Author/contributor
- STAR Collaboration (Author)
Title
Beam-Energy Dependence of Directed Flow of Λ, Λ , K±, Ks0, and φ in Au+Au Collisions
Abstract
Rapidity-odd directed-flow measurements at midrapidity are presented for Λ, Λ, K±, Ks0, and φ at sNN=7.7, 11.5, 14.5, 19.6, 27, 39, 62.4, and 200 GeV in Au+Au collisions recorded by the Solenoidal Tracker detector at the Relativistic Heavy Ion Collider. These measurements greatly expand the scope of data available to constrain models with differing prescriptions for the equation of state of quantum chromodynamics. Results show good sensitivity for testing a picture where flow is assumed to be imposed before hadron formation and the observed particles are assumed to form via coalescence of constituent quarks. The pattern of departure from a coalescence-inspired sum rule can be a valuable new tool for probing the collision dynamics. © 2018 authors. Published by the American Physical Society.
Publication
Physical Review Letters
Publisher
American Physical Society
Date
2018
Volume
120
Issue
6
Journal Abbr
Phys Rev Lett
Citation Key
starcollaborationBeamEnergyDependenceDirected2018
ISSN
00319007 (ISSN)
Archive
Scopus
Language
English
Extra
62 citations (Crossref) [2023-10-31]
Citation
STAR Collaboration. (2018). Beam-Energy Dependence of Directed Flow of Λ, Λ , K±, Ks0, and φ in Au+Au Collisions. Physical Review Letters, 120(6). Scopus. https://doi.org/10.1103/PhysRevLett.120.062301
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