High pT identified particles in PHENIX: data vs. theory
David d'Enterria
Abstract
Two of the most interesting experimental results of heavy-ion reactions at RHIC collider energies are in the hard scattering sector where central Au+Au data show a very different behaviour compared to p+p and peripheral Au+Au collisions. The so-called ``high pT pi0 suppression'' and the ``anomalous'' baryon/meson ratio observed by PHENIX in central Au+Au collisions at sqrt(sNN) = 200 GeV are reviewed and compared to various theoretical calculations based on different strongly interacting medium scenarios.
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