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Probing partonic evolution and hadronization via balance functions and correlations of charmed hadrons

Oveis Sheibani1,*, Claude Pruneau1,†, Victor Gonzalez1,‡, Sumit Basu2,§, Alexandru Florin Dobrin3,∥, Yash Patley4,¶, Basanta Nandi4,#, and Sadhana Dash4,**

  • *Contact author: oveis.sheibani@cern.ch
  • †Contact author: claude.pruneau@wayne.edu
  • ‡Contact author: victor.gonzalez@cern.ch
  • §Deceased.
  • ∥Contact author: alexandru.florin.dobrin@cern.ch
  • Contact author: yashpatley.iitb@gmail.com
  • #Contact author: basanta@phy.iitb.ac.in
  • **Contact author: sadhana@phy.iitb.ac.in
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Phys. Rev. C 112, 065210 – Published 24 December, 2025

DOI: https://doi.org/10.1103/7j49-x6xf

Abstract

Predictions of charm-correlation functions and, more specifically, balance functions are presented in proton-proton (pp) collisions at sNN=13TeV based on the Pythia 8.3 event generator. Correlations are computed for identical and cross-species charmed hadrons in both minimum bias and high-pT biased collisions. We study the strength of correlations as a function of the number of balanced flavors and investigate the impact of variations of Pythia parameters controlling the Lund string fragmentation on the shape and strength of the correlation functions. The feasibility of measurements of the charm-balance function presented is discussed in the context of the future LHC experiments.

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Phys. Rev. C 112, 065210– Published 24 December, 2025
  • Received 15 August 2025
  • Accepted 31 October 2025
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Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funded by SCOAP3.

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