PoS - Proceedings of Science
Volume 345 - International Conference on Hard and Electromagnetic Probes of High-Energy Nuclear Collisions (HardProbes2018) - Jets & High-pT Hadrons
PHENIX results on nuclear modification of $\pi^0$-hadron correlations in small and large collision systems
M.E. Connors* On behalf of the PHENIX collaboration
*corresponding author
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Pre-published on: January 11, 2019
Published on: April 24, 2019
Two-particle correlations using high-$p_{T}$ particles allow jet-like measurements at low $Q^2$ where jet reconstruction is challenging. Therefore, such correlations provide critical input to our understanding of how partons interact in a colored medium. PHENIX has measured $\pi^0$-hadron correlations in multiple collisions systems. The away-side widths in p+Au collisions are broader than those in p+p collisions. In Au+Au collisions both the shape and the yield of the away-side distributions are modified compared to those in p+Au and p+p collisions. The implications of these results to our understanding of energy loss in cold and hot nuclear matter are discussed.
DOI: https://doi.org/10.22323/1.345.0106
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