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Volume 345 - International Conference on Hard and Electromagnetic Probes of High-Energy Nuclear Collisions (HardProbes2018) - Jets & High-pT Hadrons
Scaling properties of high $p_{\rm T}$ light hadrons from small to large systems by PHENIX
I. Mitrankov* On behalf of the PHENIX collaboration
*corresponding author
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Pre-published on: 2019 January 11
Published on: 2019 April 24
To study properties of quark-gluon plasma (QGP) PHENIX has performed measurements of light hadrons ($π^0$, $η$ and other hadrons with masses up to ~1GeV) in a broad set of projectile-target combinations including $p+Au$, $d+Au$, $^3He+Au$, $Cu+Cu$, $Cu+Au$, $Au+Au$, and $U+U$. This rich collection of data sets allows for detailed studies of parton energy loss in large systems, exploring various scaling behaviors from RHIC to LHC. We also explore the evolution of the hadron spectra with system size. In particular, the multiplicity dependence of hadron production in small systems is examined for signs of energy loss at high $p_T$, and collective effects at low $p_T$.
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