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Article
Flow measurements via two-particle azimuthal correlations in Au plus Au collisions at root S-NN=130 GeV
Physical Review Letters
Document Type
Article
Disciplines
Publication Version
Published Version
Publication Date
11-1-2002
DOI
10.1103/PhysRevLett.89.212301
Abstract
Two-particle azimuthal correlation functions are presented for charged hadrons produced in Au + Au collisions at the Relativistic Heavy Ion Collider (roots(NN) = 130 GeV). The measurements permit determination of elliptic flow without event-by-event estimation of the reaction plane. The extracted elliptic flow values (upsilon(2)) show significant sensitivity to both the collision centrality and the transverse momenta of emitted hadrons, suggesting rapid thermalization and relatively strong velocity fields. When scaled by the eccentricity of the collision zone epsilon, the scaled elliptic flow shows little or no dependence on centrality for charged hadrons with relatively low p(T). A breakdown of this epsilon scaling is observed for charged hadrons with p(T) > 1.0 GeV/c.
Copyright Owner
American Physical Society
Copyright Date
2002
Language
en
File Format
application/pdf
Citation Information
K. Adcox, Sergey Belikov, John C. Hill, John G. Lajoie, et al.. "Flow measurements via two-particle azimuthal correlations in Au plus Au collisions at root S-NN=130 GeV" Physical Review Letters Vol. 89 Iss. 21 (2002) p. 212301 Available at: http://works.bepress.com/craig-ogilvie/156/
This article is published as Adcox, K., S. S. Adler, N. N. Ajitanand, Y. Akiba, J. Alexander, L. Aphecetche, Y. Arai et al. "Flow Measurements via Two-Particle Azimuthal Correlations in Au+Au Collisions at sNN= 130 GeV." Physical Review Letters 89, no. 21 (2002): 212301. DOI:10.1103/PhysRevLett.89.212301. Posted with permission.