Wed·Jul 3, 2024Wednesday·July 3, 2024

1. 01*

   Heavy Flavor and Quarkonia Results from the PHENIX Experiment

   Krista Smith🇺🇸

   The PHENIX experiment at RHIC has a unique large rapidity coverage ($1.2<|y|<2.2$) for heavy flavor studies in heavy-ion collisions. This kinematic region has a smaller particle density and may undergo different nuclear effects before and after the hard process when compared to mid-rapidity production. The latest PHENIX runs contain a large data set which allows, for the first time, the study of heavy flavor and $J/\psi$ flow at the large rapidity region in Au$+$Au collisions at $\sqrt{s_{{}_{NN}}}=$200 GeV. This measurement has the potential to reveal a medium evolution distinct from that known at mid-rapidity.

   nucl-exEPJ Web Conf.(2024)·0 citations
2. 02*

   Vortex Rings in Event-by-Event Relativistic Heavy-Ion Collisions

   David Dobrigkeit Chinellato🇧🇷 · Michael Annan Lisa🇺🇸 · Willian Matioli Serenone🇧🇷 · Chun Shen🇺🇸 · Jun Takahashi🇧🇷 · Giorgio Torrieri🇧🇷

   We present event-by-event simulations for central asymmetric light+heavy and Au+Au collisions to investigate the formation and evolution of vortex-ring structures in the longitudinal flow velocity profile. The production-plane polarization of $\Lambda$ hyperons, defined w.r.t. the $\Lambda$ momentum and the beam, can track the "vortex-ring" feature in the event, a characteristic vortical structure generated by longitudinal flow gradients. We make comprehensive model predictions for the rapidity-dependent vortex-ring observables for different collision system sizes at $\sqrt{s_{\mathrm{NN}}}=200$ and 72 GeV. Our predictions at the latter energy can be explored in the future LHCb fixed-target experiment at the Large Hadron Collider.

   ↳ nucl-thhep-phnucl-exPRC(2024)·7 citations

* Reconstructed cohort: no mailing for this day survives in the archive. Papers are grouped by their submission times and arXiv's announcement cut-off, assuming announcement without delay; positions follow identifier order. Validated at ~91% exact-day agreement against the archived era.