Abstract
We investigate known exact solutions of hydrodynamics and derive analytic formulas for the polarization of baryons produced at freeze-out. Such polarization (observed in high energy heavy-ion experiments) carries information on the time evolution of the quark-gluon plasma (sQGP), and our results give first analytic insight into the connection between this type of measurements and dynamical properties of the sQGP (e.g. vorticity). We present results for a rotating and acceleratingly expanding solution and also give hints on how to calculate the polarization using a rotating extension of the Buda–Lund parameterization.
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ACKNOWLEDGMENTS
The author is thankful to Márton I. Nagy and Máté Csanád for the numerous discussions and help given during the work presented here. The author is grateful to the organizers of the 19th Workshop on Particle Correlations and Femtoscopy (WPCF 2019) conference.
Funding
This work was partially supported by the Hungarian NKIFH grants no. FK-123842 and FK-123959.
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Boldizsár, B. Analytic Model Studies of Polarized Baryon Production. Phys. Part. Nuclei 51, 345–349 (2020). https://doi.org/10.1134/S1063779620030065
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DOI: https://doi.org/10.1134/S1063779620030065