Speaker
Description
Collective flow and global polarization are the key observables for characterizing properties of strongly-interacting matter in relativistic heavy-ion collisions at NICA energies. A significant challenge for the MPD experiment is achieving the necessary statistical precision for these measurements, particularly for direct photons, $\phi$-mesons, and $\Sigma,\Lambda$ hyperons. To address this, we have developed a statistical event re-sampling afterburner package. This tool was validated on simulated Xe+Xe collisions at $\sqrt{s_{NN}}$ = 2.87 GeV generated with the UrQMD model. The application of this afterburner significantly enhanced the resolution of the directed ($v_1$) and elliptic ($v_2$) flow of $\Lambda$ hyperons, as well as their global polarization. This work confirms the method's utility for the future feasibility studies and data analysis in the MPD experiment.
