Characterizing nuclear modification effects in high-energy O-O collisions at energies available at the CERN Large Hadron Collider: A transport model perspective

Abstract

The present work focuses on Oxygen-Oxygen (O-O) collisions, which are planned at the CERN Large Hadron Collider. Oxygen, being a doubly magic number nucleus, has some very unique features. This study attempts to probe the exotic state of QCD matter in O-O collisions. Additionally, the role of different nuclear density profiles in governing the final state dynamics in ultra-relativistic nuclear collisions is also explored. Using a multi-phase transport model, we obtain the nuclear modification factor (${\text{R}}_{\text{AA}}$) for all charged hadrons and identified particles for O-O collisions at $\sqrt{s_{\mathrm{NN}}}$ = 7 TeV. Furthermore, we investigate the behavior of ${\text{R}}_{\text{AA}}$ as a function of transverse momentum (${\text{p}}_{\mathrm{T}}$) for three centralities (most central, mid-central, and peripheral) considering both $\alpha$-cluster and Woods-Saxon nuclear density profiles. We also extend this work to study the rapidity dependence of ${\text{R}}_{\text{AA}}$ for all charged hadrons. To better understand our findings of O-O collisions, the results are confronted with the available data of ${\text{R}}_{\text{AA}}$ for Pb-Pb collisions. The present study sheds light on particle production mechanisms, emphasizing factors influencing particle yield from pre-collision to post-collision stages in the context of O-O collisions.

arXiv commentSame as the published version in Phys. Rev. C

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• Dynamics of identified particles production in oxygen-oxygen collisions at \sqrt{s_{\mathrm{NN}} = 7 TeV using EPOS4
• Mean free path of photons in relativistic heavy ion collisions
• Flavor and path-length dependence of jet quenching from inclusive jet and γ-jet suppression
• Role of clustered nuclear geometry in particle production through p-C and p-O collisions at the Large Hadron Collider
• Multiplicity dependence of (multi)strange hadrons in oxygen-oxygen collisions at $\sqrt{s_{\mathrm{NN}}}=7$ TeV using EPOS4 and AMPT
• Probing the sensitivity of anisotropic flow coefficients to the initial nuclear structure in pO and OO collisions at the LHC