Absence of Suppression in Particle Production at Large Transverse Momentum insNN=200 GeVd+AuCollisions

2003/06/30 by Stephen Adler, PHENIX Collaboration, S. Afanasiev +99 · 25 citations
Physics and Astronomy · #High-Energy Particle Collisions Research #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #nucl-ex

paper · pdf · doi:10.1103/physrevlett.91.072303

published as Phys.Rev.Lett.91:072303,2003 · 328 authors, 6 pages text, 4 figures, 2 Tables, RevTeX 4. Version 4 has minor revisions to address referee concerns. This is the version resubmitted to PRL. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html

arxiv created 2003/07/15 · openalex publication_date 2003/08/15 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28

Abstract

Transverse momentum spectra of charged hadrons with p_T<8 GeV/c and neutral pions with p_T<10 GeV/c have been measured at midrapidity by the PHENIX experiment at BNL RHIC in d+Au collisions at √s_NN=200 GeV. The measured yields are compared to those in p+p collisions at the same √s_NN scaled up by the number of underlying nucleon-nucleon collisions in d+Au. The yield ratio does not show the suppression observed in central Au+Au collisions at RHIC. Instead, there is a small enhancement in the yield of high momentum particles.

Citations

• Parton Coalescence and the Antiproton/Pion Anomaly at RHIC
• Centrality Dependence of Charged-Hadron Transverse-Momentum Spectra ind+AuCollisions atsNN=200 GeV

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