2018/01/22 by E. E. Kolomeitsev, V. D. Toneev, V. Voronyuk
Physics and Astronomy · #nucl-th
paper · pdf · doi:10.1103/physrevc.97.064902
published as Phys. Rev. C 97, 064902 (2018) · 9 pages, 6 figure. arXiv admin note: text overlap with arXiv:1704.01507 by other authors
arxiv created 2018/01/22 · arxiv updated 2018/06/13
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 √sNN=7.7 GeV are demonstrated and confronted with other models. The obtained result for the Λ 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 Λ polarization.