| Issue |
EPJ Web Conf.
Volume 364, 2026
XXXI International Conference on Ultra-Relativistic Nucleus-Nucleus Collisions “Quark Matter 2025”
|
|
|---|---|---|
| Article Number | 04014 | |
| Number of page(s) | 4 | |
| Section | Collective Dynamics & Small Systems | |
| DOI | https://doi.org/10.1051/epjconf/202636404014 | |
| Published online | 17 April 2026 | |
https://doi.org/10.1051/epjconf/202636404014
sPHENIX measurements of collective behavior in small and large systems
Massachusetts Institute of Technology, USA
* e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
Published online: 17 April 2026
Abstract
sPHENIX, a next-generation detector at RHIC, completed commissioning in 2023-2024 and in 2024 recorded proton-proton (p+p) collisions at √sNN = 200 GeV and gold-gold (Au+Au) collisions at √sNN = 200 GeV. With large pseudorapidity coverage, full azimuth, and dedicated forward systems, the detector enables precise measurements of bulk particle production in addition to the high-pT jet and heavy-flavor program. These proceedings present the inaugural sPHENIX results for the transverse energy density dET/dη and charged-hadron multiplicity dNch/dη in Au+Au collisions, along with initial performance studies of neutral-pion elliptic flow and second-order event-plane measurements and long-range two-particle correlations in high-multiplicity p+p events. Together, these results validate the performance of the tracking, calorimetry, and global event-characterization systems and confirm the readiness of sPHENIX for a comprehensive QGP program at RHIC.
© The Authors, published by EDP Sciences, 2026
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