A study of pure multi-strange hadrons production in Pb+Pb collisions at LHC energies using HYDJET++ model

TL;DR

This study uses the HYDJET++ model to simulate and analyze multi-strange hadron production, transverse momentum spectra, elliptic flow, and nuclear modification factors in Pb+Pb collisions at LHC energies, comparing with experimental data.

Contribution

It provides new simulation-based insights into multi-strange hadron production and properties at different LHC energies, including predictions for future measurements.

Findings

HYDJET++ successfully reproduces experimental spectra and flow data.

Particle ratios indicate strangeness enhancement and medium properties.

Predictions for 5.02 TeV collisions guide future experimental studies.

Abstract

For the present work, we have used the HYDJET++ model to explore the production of pure multi$-$strange hadrons in Pb+Pb collisions at $\sqrt{s_{NN}}$= 2.76 TeV and $\sqrt{s_{NN}}$= 5.02 TeV collision energies, respectively. \textcolor{red}{We have performed simulation to investigate transverse momentum ($p_{T}$) spectra and elliptic flow ($v_{2}$) for $\phi-$meson and $\Omega-$baryons, and compared the results with ALICE experimental data as well as predictions from various phenomenological models across different centrality classes. Furthermore, we have calculated the nuclear modification factors ($R_{AA}$ and $R_{CP}$), which provide a perception of jet quenching phenomena. Hence, our findings enable the study of the energy and system dependence of $\phi$ and $\Omega$ hadrons production over a wide range of ultra-relativistic collision energies. We also present the particle ratios ( $\Omega/\phi$, $\overline{\Omega}^{+}/\Omega^{-}$, $\Omega/\pi$, and $\phi/\pi$ ), offering insights into the strangeness enhancement and chemical properties of the medium at both LHC collision energies. Additionally, we explored the predictions for $\Omega$-baryon in Pb+Pb collisions at$\sqrt{s_{NN}}$= 5.02 TeV, focusing on $R_{AA}$, $R_{CP}$, and particle ratios within the HYDJET++ framework, offering insights into future measurements and particle dynamics in high-energy heavy-ion collisions.