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Vortex rings in event-by-event relativistic heavy-ion collisions

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Author(s):
Chinellato, David Dobrigkeit ; Lisa, Michael Annan ; Serenone, Willian Matioli ; Shen, Chun ; Takahashi, Jun ; Torrieri, Giorgio
Total Authors: 6
Document type: Journal article
Source: PHYSICAL REVIEW C; v. 110, n. 5, p. 10-pg., 2024-11-15.
Abstract

We present event-by-event simulations for central asymmetric light+heavy and Au+Au collisions to investigate the formation and evolution of vortex-ring structures in the longitudinal flow velocity profile. The production-plane polarization of Lambda hyperons, defined with respect to the Lambda momentum and the beam, can track the "vortex-ring" feature in the event, a characteristic vortical structure generated by longitudinal flow gradients. We make comprehensive model predictions for the rapidity-dependent vortex-ring observables for different collision system sizes at root s(NN) = 200 and 72 GeV. Our predictions at the latter energy can be explored in the future LHCb fixed-target experiment at the Large Hadron Collider. (AU)

FAPESP's process: 23/06278-2 - Quarkonium polarization and hydrodynamics with spin
Grantee:Donato Giorgio Torrieri
Support Opportunities: Regular Research Grants