Production of Kaon and $\Lambda$ in nucleus-nucleus collisions at ultra-relativistic energy from a blast wave model

TL;DR

This study uses a blast-wave model to analyze Kaon and Lambda particle production in nucleus-nucleus collisions at various energies, matching experimental data and exploring freeze-out conditions and resonance effects.

Contribution

It provides a systematic analysis of strangeness particle production and freeze-out parameters across different collision energies using a chemical equilibrium blast-wave model.

Findings

Good agreement with experimental transverse momentum spectra

Presented freeze-out temperature and flow parameters at various energies

Discussed resonance decay effects on particle production

Abstract

The particle production of Kaon and $\Lambda$ are studied in nucleus-nucleus collisions at relativistic energy based on a chemical equilibrium blast-wave model. The transverse momentum spectra of Kaon and $\Lambda$ at the kinetic freeze-out stage from our model are in good agreement with the experimental results. The kinetic freeze-out parameters of temperature ($T_{kin}$) and radial flow parameter $\rho_{0}$ are presented for the FOPI, RHIC and LHC energies. And the resonance decay effect is also discussed. The systematic study for beam energy dependence of the strangeness particle production will help us to better understand the properties of the matter created in heavy-ion collisions at the kinetic freeze-out stage.