| Issue |
EPJ Web Conf.
Volume 364, 2026
XXXI International Conference on Ultra-Relativistic Nucleus-Nucleus Collisions “Quark Matter 2025”
|
|
|---|---|---|
| Article Number | 08015 | |
| Number of page(s) | 4 | |
| Section | Heavy Flavor & Quarkonia | |
| DOI | https://doi.org/10.1051/epjconf/202636408015 | |
| Published online | 17 April 2026 | |
https://doi.org/10.1051/epjconf/202636408015
Towards a precise measurement of the Λc+/D0 ratio at RHIC
Brookhaven National Laboratory
* e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
Published online: 17 April 2026
Abstract
sPHENIX is a next-generation experiment at RHIC for jet and heavy-flavor physics which was fully commissioned during 2023 and 2024. Using its novel streaming-readout-capable, precision tracking system, sPHENIX collected 100 billion unbiased p+ p collisions, and a further sample of minimum-bias Au-Au collisions, in Run-24. A key measurement of the sPHENIX heavy flavor physics program is the comparison of Λc+ to D0 differential yields in both Au+Au and p+p collisions, which probes questions related to the hadronization of heavy-flavor baryons compared to mesons in the Quark-Gluon Plasma medium and in vacuum. At RHIC energies, there is no previous measurement of the Λc+/D0 baseline in p+p collisions, modern Monte Carlo event generators give widely different predictions, and the ratio in Au+Au is only poorly known. These proceedings present the status of measurement from sPHENIX of the Λc+/D0 ratio in p+p collisions.
© The Authors, published by EDP Sciences, 2026
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