| Issue |
EPJ Web Conf.
Volume 339, 2025
12th International Conference on Hard and Electromagnetic Probes of High-Energy Nuclear Collisions (Hard Probes 2024)
|
|
|---|---|---|
| Article Number | 02011 | |
| Number of page(s) | 6 | |
| Section | Contributed Talk: Jet Modification and Medium Response | |
| DOI | https://doi.org/10.1051/epjconf/202533902011 | |
| Published online | 05 November 2025 | |
https://doi.org/10.1051/epjconf/202533902011
Probing hadronization with the charge correlator ratio in p+p, Ru+Ru and Zr+Zr collisions at STAR
Wright Laboratory, Yale University
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Published online: 5 November 2025
Abstract
The parton-to-hadron transition, known as hadronization, is dominated by non-perturbative Quantum Chromodynamics (QCD) effects and thus challenging to study from first-principle calculations. On the other hand, experimental studies of observables sensitive to hadronization could provide valuable input. The charge correlator ratio rc studies the charge correlation between the leading two hadrons in jets and is sensitive to hadronization effects. With data taken at √sNN = 200 GeV at STAR, we measure rc in p+p collisions to probe for string-like fragmentation, and in Ru+Ru and Zr+Zr collisions to probe for potential modification to hadronization in the Quark-Gluon Plasma (QGP). These measurements, compared with various model predictions, are expected to distinguish between phenomenological model descriptions for hadronization in vacuum, and provide insight into jet-medium interaction in the QGP.
© The Authors, published by EDP Sciences, 2025
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