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Type: Journal article
Title: Measurement of the centrality and pseudorapidity dependence of the integrated elliptic flow in lead–lead collisions at √sNN = 2.76 TeV with the ATLAS detector
Other Titles: Measurement of the centrality and pseudorapidity dependence of the integrated elliptic flow in lead-lead collisions at root sNN = 2.76 TeV with the ATLAS detector
Author: Aad, G.
ATLAS Collaboration
Citation: European Physical Journal C: Particles and Fields, 2014; 74(8):1-25
Publisher: Springer
Issue Date: 2014
ISSN: 1434-6052
Statement of
G. Aad … P. Jackson … L. Lee … A. Petridis … N. Soni ... M. White ... et al. (The ATLAS Collaboration)
Abstract: The integrated elliptic flow of charged particles produced in Pb+Pb collisions at √sNN=2.76 TeV has been measured with the ATLAS detector using data collected at the Large Hadron Collider. The anisotropy parameter, v2, was measured in the pseudorapidity range |η|≤2.5 with the event-plane method. In order to include tracks with very low transverse momentum pT, thus reducing the uncertainty in v2 integrated over pT, a 1 μb−1 data sample recorded without a magnetic field in the tracking detectors is used. The centrality dependence of the integrated v2 is compared to other measurements obtained with higher pT thresholds. The integrated elliptic flow is weakly decreasing with |η|. The integrated v2 transformed to the rest frame of one of the colliding nuclei is compared to the lower-energy RHIC data.
Keywords: ATLAS Collaboration
Rights: © The Author(s) 2014. This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited. Funded by SCOAP3 / License Version CC BY 4.0.
DOI: 10.1140/epjc/s10052-014-2982-4
Appears in Collections:Aurora harvest 3
Physics publications

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