PoS - Proceedings of Science
Volume 414 - 41st International Conference on High Energy physics (ICHEP2022) - Poster Session
Transverse spherocity and multiplicity dependence of $R_{2}$ and $P_{2}$ correlation functions in pp collisions
B. Sahoo*, B. Kumar Nandi, S. Dash and C. Pruneau
Full text: pdf
Pre-published on: November 28, 2022
Published on: June 15, 2023
Transverse spherocity($S_{0}$) has evolved
as a powerful tool to separate soft and hard contributions in an event in small collision
systems. We used two-particle differential-number
correlation functions, $R_{2}$, and transverse momentum correlation functions, $P_{2}$, of
charged particles produced in pp collisions at $\sqrt{\textit{s}}$ = 7 TeV with the PYTHIA model to understand this phenomena.
The $\Delta\varphi$-dependance of these correlation functions in different multiplicity and $S_{0}$ classes are studied.
In addition, mean-$\textit{p}_{\rm T}$ of charged
particles for low-$S_{0}$, high-$S_{0}$ and $S_{0}$-integrated are discussed. Finally, it was
observed that $S_{0}$ should be a good observable as compared to multiplicity to
disentangle jetty and isotropic events in a small collision system.
DOI: https://doi.org/10.22323/1.414.1136
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