| Issue |
EPJ Web Conf.
Volume 296, 2024
30th International Conference on Ultra-Relativistic Nucleus-Nucleus Collisions (Quark Matter 2023)
|
|
|---|---|---|
| Article Number | 11009 | |
| Number of page(s) | 4 | |
| Section | Jets | |
| DOI | https://doi.org/10.1051/epjconf/202429611009 | |
| Published online | 26 June 2024 | |
https://doi.org/10.1051/epjconf/202429611009
Revealing the medium-recoil effect with high-pT Z boson tagged underlying event distribution in PbPb collisions at CMS
Massachusetts Institute of Technology, Cambridge, MA 02139, USA
* e-mail: pinchun@mit.edu
Published online: 26 June 2024
The utilization of Z bosons, which are insensitive to the strong interaction, can constrain the initial energy, direction, and flavor of recoiling partons prior to their interaction with the quark-gluon plasma. This investigation focuses on charged particle yields in Z boson events, enabling a detailed exploration of in-medium modifications in both the recoiling parton showers and soft particles resulting from medium response. This presentation shows measurements of azimuthal angle distributions and fragmentation functions for charged particles associated with Z bosons in both lead-lead and proton-proton collisions at √SNN = 5.02 TeV, utilizing data collected by the CMS detector.
© The Authors, published by EDP Sciences, 2024
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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