Charm Quark Interactions and Hadronization in Heavy Ion Collisions
Published:Dec 25, 2025 19:39
•1 min read
•ArXiv
Analysis
This paper presents new measurements from the CMS experiment in Pb-Pb collisions, focusing on the elliptic and triangular flow of Ds mesons and the nuclear modification factor of Lambda_c baryons. These measurements are crucial for understanding the behavior of charm quarks in the Quark-Gluon Plasma (QGP), providing insights into energy loss and hadronization mechanisms. The comparison of Ds and D0 flow, and the Lambda_c/D0 yield ratio across different collision systems, offer valuable constraints for theoretical models.
Key Takeaways
- •New high-precision measurements of Ds meson flow and Lambda_c baryon production in Pb-Pb collisions.
- •Investigation of charm quark energy loss and hadronization mechanisms in the QGP.
- •Comparison of Ds and D0 flow to study the impact of strange quark hadronization.
- •Measurement of Lambda_c/D0 yield ratio across different collision systems (pp, pPb, Pb-Pb).
Reference
“The paper measures the elliptic ($v_2$) and triangular ($v_3$) flow of prompt $\mathrm{D}_{s}^{\pm}$ mesons and the $\mathrmΛ_{c}^{\pm}$ nuclear modification factor ($R_{AA}$).”