| Issue |
EPJ Web Conf.
Volume 296, 2024
30th International Conference on Ultra-Relativistic Nucleus-Nucleus Collisions (Quark Matter 2023)
|
|
|---|---|---|
| Article Number | 04010 | |
| Number of page(s) | 4 | |
| Section | Chirality | |
| DOI | https://doi.org/10.1051/epjconf/202429604010 | |
| Published online | 26 June 2024 | |
https://doi.org/10.1051/epjconf/202429604010
Search for the chiral magnetic and vortical effects using event shape approaches in Au+Au collisions at STAR
Department of Physics and Astronomy, University of California, Los Angeles, California 90095, USA
* e-mail: zhiwanxu@physics.ucla.edu
Published online: 26 June 2024
The chiral magnetic/vortical effect (CME/CVE) in heavy-ion collisions probes the topological sector of Quantum Chromodynamics, where P and CP symmetries are violated locally in strong interactions. However, the experimental observables for the CME/CVE are dominated by backgrounds related to elliptic flow and nonflow. We employ event shape approaches to mitigate the flow background and event planes based on spectators to minimize the nonflow background. We report on the CME search in Au+Au collisions at √SNN = 7.7, 14.6, 19.6, 27, and 200 GeV, as well as the CVE search at 19.6 and 27 GeV.
© The Authors, published by EDP Sciences, 2024
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