J/psi Production vs Centrality, Transverse Momentum, and Rapidity in Au+Au Collisions at sqrt(s_NN) = 200 GeV

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dc.creatorPHENIX Collaboration
dc.creatorAdare, A.
dc.date2006-11-12
dc.date.accessioned2026-07-07T12:00:03Z
dc.date.available2026-07-07T12:00:03Z
dc.descriptionThe PHENIX experiment at the Relativistic Heavy Ion Collider (RHIC) has measured J/psi production for rapidities 2.2 < y < 2.2 in Au+Au collisions at sqrt(s_NN) = 200 GeV. The J/psi invariant yield and nuclear modification factor R_AA as a function of centrality, transverse momentum and rapidity are reported. A suppression of J/psi relative to binary collision scaling of proton-proton reaction yields is observed. Models which describe the lower energy J/Psi data at the Super Proton Synchrotron (SPS) invoking only J/psi destruction based on the local medium density would predict a significantly larger suppression at RHIC and more suppression at mid rapidity than at forward rapidity. Both trends are contradicted by our data.
dc.description422 authors from 58 institutions, 6 pages, 5 figures, 2 tables, RevTeX4. Submitted to Physical Review Letters. 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
dc.identifierhttps://arxiv.org/abs/nucl-ex/0611020
dc.identifierhttp://arxiv.org/abs/nucl-ex/0611020
dc.identifierPhys.Rev.Lett.98:232301,2007
dc.identifierdoi:10.1103/PhysRevLett.98.232301
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/206770
dc.subjectNuclear Experiment
dc.subjectHigh Energy Physics - Experiment
dc.titleJ/psi Production vs Centrality, Transverse Momentum, and Rapidity in Au+Au Collisions at sqrt(s_NN) = 200 GeV
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