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Vorticity and hyperon polarization at NICA energies

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arxiv 1801.07610 v1 pith:ORMNKKDS submitted 2018-01-22 nucl-th

E.E. Kolomeitsev , V.D. Toneev , V. Voronyuk This is my paper · ORCID
classification nucl-th
keywords polarizationvorticitycollisionsenergieshyperonlambdamodelnica
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abstract

We study the formation of fluid vorticity and the hyperon polarization in heavy-ion collisions at NICA energies in the framework of the Parton-Hadron-String Dynamic Model, taking into account both hadronic and quark-gluonic (partonic) degrees of freedom. The vorticity properties in peripheral Au+Au collisions at $\sqrt{s_{NN}}=$7.7\,GeV are demonstrated and confronted with other models. The obtained result for the $\Lambda$ polarization is in agreement with the experimental data by the STAR collaboration, whereas the model is not able to explain the observed high values of the anti-hyperon $\bar\Lambda$ polarization.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Fluid Acceleration in Heavy-Ion Collisions

    nucl-th 2026-03 conditional novelty 6.0 of 10

    In AMPT and UrQMD simulations, fluid acceleration in heavy-ion collisions reaches a few hundred MeV, peaks at fireball boundaries, and evolves from stopping-dominated deceleration at low energies to boundary/tilt puls...

  2. Chiral vortical catalysis constrained by LQCD simulations

    hep-ph 2024-12 conditional novelty 4.0 of 10

    By fitting an angular-velocity-dependent coupling to LQCD data, the NJL model exhibits chiral vortical catalysis: rotation enhances the chiral condensate and raises the transition temperature and critical endpoint.

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