13–16 Jan 2025
Asia/Kolkata timezone

Spherocity-Dependent Study of Relative Transverse Multiplicity Activity Event Classifier in the Underlying Event

15 Jan 2025, 10:26
7m
6. Collectivity in small systems Parallel D

Speaker

Anuraag Rathore (Tata Institute of Fundamental Research (IN))

Description

This study investigates the intricate relationship between transverse spherocity ($S_{0}$) and the relative transverse multiplicity activity event classifier ($R_{T}$) in proton-proton collisions at the Large Hadron Collider (LHC) with a center-of-mass energy of 13 TeV. Through a detailed analysis across different spherocity regions, we examine various observables to understand underlying event dynamics in high-energy particle collisions. We have used the PYTHIA 8 Monte-Carlo (MC) with a different implementation of color reconnection and rope hadronization models to demonstrate the proton-proton collision data at $\sqrt s$ = 13 TeV. The sensitivity to the multi-partonic interaction is studied using a new differential approach to understand the underlying event and jetty-like domain. Furthermore, the baryon-to-meson production ratio and the average transverse momentum ($p_{T}$) are evaluated across $R_{T}$ for selected spherocity classes, revealing significant dependencies on the event topology. These measurements offer insight into the complex nature of strange particle production and underlying event structure in high-energy collisions, with implications in quantum chromodynamics (QCD) studies. Experimental confirmation of these results is feasible using ALICE Run 3 data which will provide more insight
into the soft physics in the transverse region which is useful to understand the small system dynamics.

Author

Anuraag Rathore (Tata Institute of Fundamental Research (IN))

Co-authors

Dr Arvind Khuntia (INFN Bologna) Prabhakar Palni (Tata Institute of Fundamental Research (IN))

Presentation materials

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