Pion, Kaon and Antiproton Production in $Pb+Pb$ Collisions at LHC Energy $\sqrt{s_{NN}}$ = 2.76 TeV : A Model-based Analysis

TL;DR

This paper uses the Sequential Chain Model to analyze high-energy Pb+Pb collision data from the LHC, focusing on particle spectra, ratios, distributions, and nuclear modification factors, with results aligning reasonably with experimental data.

Contribution

It introduces the application of the Sequential Chain Model to analyze various observables in Pb+Pb collisions at LHC energy, providing a model-based perspective.

Findings

Model results are generally consistent with experimental data.

Transverse momentum spectra and ratios are well described.

Nuclear modification factors show modest agreement.

Abstract

Large Hadron Collider (LHC) had produced a vast amount of high precision data for high energy heavy ion collision. We attempt here to study (i) transverse momenta spectra, (ii) $K/\pi$, $p/\pi$ ratio behaviours, (iii)rapidity distribution, and (iv) the nuclear modification factors of the pion, kaon and antiproton produced in $p+p$ and $Pb+Pb$ collisions at energy $\sqrt{s_{NN}}$ = 2.76 TeV, on the basis of Sequential Chain Model (SCM). Comparisons of the model-based results with the measured data on these observables are generally found to be modestly satisfactory.