Speaker
Description
High-energy small system collisions exhibit remarkable flow-like signatures, but separating soft multiple-parton interactions from hard jet fragmentation in the development of collective behavior remains a critical challenge. This talk presents a unified framework leveraging event topology analysis to cleanly isolate flow-like behavior and jet modification effects in small collision systems. By applying a Tsallis Blast-Wave analysis to experimental data using event topological classifiers, we demonstrate that event shape observables serve as a unique approach to removing hard-process biases from flow extractions. Furthermore, we employ topological event background subtraction in proton-proton collisions to directly isolate jet modification effects. Using this approach, we propose event activity dependent baryon-to-meson ratios and jet-free energy-energy correlators as novel probes to study jet energy loss in small systems. Ultimately, this talk establishes that event topology provides a powerful, experimentally accessible toolkit for mapping the evolution of collectivity and jet quenching in small systems.
| 请选择分会 | 高能重离子物理 |
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