2003/09/18 by D. d’Enterria, David d'Enterria, d'Enterria, David
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Experiment (hep-ex) #High-Energy Particle Collisions Research #Nuclear Experiment (nucl-ex) #Nuclear Theory (nucl-th) #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #hep-ex #nucl-ex #nucl-th
paper · pdf · doi:10.48550/arxiv.nucl-ex/0309015
Minor mods. to match final version published in the Yellow Report
openalex publication_date 2003/09/18 · arxiv created 2004/01/05 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
The most significant results on hard scattering processes in Au+Au, p+p, and d+Au collisions at sqrt(sNN) = 200 GeV obtained after 3 years of operation at the BNL Relativistic Heavy-Ion Collider (RHIC) are summarized. Hadron production at high transverse momentum (pT) in central Au+Au collisions shows very different properties (production yields, flavor composition, azimuthal correlations, ...) in comparison to p+p, d+Au, and peripheral Au+Au collisions, and this fact constitutes arguably the most interesting outcome of the experimental program so far. Four main topics are covered in this report: (i) the depletion of high pT inclusive hadron spectra, (ii) the ``anomalous'' baryon-meson composition at intermediate pT's, (iii) the disappearance of away-side azimuthal (jet) correlations, and (iv) the large value of collective azimuthal (elliptic flow) correlations. Additionally, the observed high pT ``Cronin enhancement'' in d+Au collisions will be discussed. A succinct comparison of experimental data to theoretical models is also provided.