Investigating jet induced identified hadron productions from the relative transverse activity classifier in pp collision at LHC

Abstract

In this work, we systematically investigate the jet associated identified hadron productions of pions, kaons, and protons based on the event topological separation method in proton proton (pp) collisions at $\sqrt{s}=13$ TeV employing the AMPT model with PYTHIA8 initial conditions. Enabling relative transverse event activity classifier $R_T$, we analyze the transverse momentum ($p_T$) spectra and particle ratios in the jet aligned toward region and the underlying event (UE) contributions sensitive transverse region varying with $R_T$. The results indicate that the AMPT model, incorporating both partonic and hadronic final-state interactions, provides a satisfactory description to the experimental data of the $p_T$ differential yields, particle ratios and average transverse momentum of identified particles in both the toward and transverse regions across different event activity classes. By subtracting the UE contribution from the toward region using the transverse region hadron yield, we introduce the in-jet hadron productions to analyze the modifications to jet itself. We find that the in-jet baryon to meson ratios reveal a sensitive dependence on $R_T$ driven by final state interactions, leading to a unique crossing pattern at intermediate $p_T$. This behavior can be regarded as a novel signature for probing jet medium interactions and energy loss effects in small collision systems.

References in corpus (24)

• Properties of the QCD Matter -- An Experimental Review of Selected Results from RHIC BES Program
• Further developments of a multi-phase transport model for relativistic nuclear collisions
• Sensitivity of jet substructure to jet-induced medium response
• Properties of the QCD Matter: A Review of Selected Results from the ALICE Experiment
• Progress and Challenges in Small Systems
• Enhanced production of strange baryons in high energy nuclear collisions from a multiphase transport model
• Strong constraints on jet quenching in centrality-dependent $p$+Pb collisions at 5.02 TeV from ATLAS
• Investigating high energy proton proton collisions with a multi-phase transport model approach based on PYTHIA8 initial conditions
• Disentangling the hard gluon Bremsstrahlung effects from the relative transverse activity classifier in pp collisions
• Hard jet substructure in a multistage approach
• Enhanced deuteron coalescence probability in jets
• Study of charged particle production at high $p_{\mathrm{T}}$ using event topology in pp, p$-$Pb and Pb$-$Pb collisions at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV
• Production of pions, kaons, and protons as a function of the relative transverse activity classifier in pp collisions at $\sqrt{s}=13$ TeV
• Comprehensive simulation of heavy-ion collisions at non-zero baryon chemical potential
• Production of ${\mathrm{K}}_{\mathrm{S}}^0$, $\Lambda$ ($\bar{\Lambda }$), ${\Xi }^{\pm }$ and ${\Omega }^{\pm }$ in jets and in the underlying event in pp and p$-$Pb collisions
• Measurement of inclusive charged-particle jet production in pp and p-Pb collisions at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV
• Disentangling the development of collective flow in high energy proton proton collisions with a multiphase transport model
• Evidence for similar collectivity of high transverse momentum particles in pPb and PbPb collisions
• Probing strangeness with event topology classifiers in pp collisions at energies available at the CERN Large Hadron Collider with the rope hadronization mechanism in PYTHIA
• Strange particle production in jets and underlying events in pp collisions at $\sqrt{s}=7$ TeV with PYTHIA8 generator
• Effects of hadronic reinteraction on jet fragmentation from small to large systems
• Investigating strangeness enhancement with multiplicity in pp collisions using angular correlations
• Investigating the most active pp collisions (top 0.1%) using the tools developed by experiments at the LHC
• Investigating $\Lambda$ baryon production in p-Pb collisions in jets and the underlying event using angular correlations