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Measurement of the centrality and pseudorapidity dependence of the integrated elliptic flow in lead-lead collisions at root S-NN=2.76 TeV with the ATLAS detector
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.
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Number of Authors: 2862
2014 (English)In: European Physical Journal C, ISSN 1434-6044, E-ISSN 1434-6052, Vol. 74, no 8, 2982- p.Article in journal (Refereed) Published
Abstract [en]

The integrated elliptic flow of charged particles produced in Pb+Pb collisions at root S-NN = 2.76 TeV has been measured with the ATLAS detector using data collected at the Large Hadron Collider. The anisotropy parameter, upsilon(2), was measured in the pseudorapidity range |eta| <= 2.5 with the event-plane method. In order to include tracks with very low transverse momentum p(T), thus reducing the uncertainty in upsilon(2) integrated over p(T), a 1 mu b(-1) data sample recorded without a magnetic field in the tracking detectors is used. The centrality dependence of the integrated upsilon(2) is compared to other measurements obtained with higher PT thresholds. The integrated elliptic flow is weakly decreasing with |eta|. The integrated upsilon 2 transformed to the rest frame of one of the colliding nuclei is compared to the lower-energy RHIC data.

Place, publisher, year, edition, pages
2014. Vol. 74, no 8, 2982- p.
Keyword [en]
Heavy-Ion Collisions, Quark-Gluon Plasma, Nuclear Collisions, Collaboration, Perspective
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-151385DOI: 10.1140/epjc/s10052-014-2982-4ISI: 000340574300001Scopus ID: 2-s2.0-84908310017OAI: oai:DiVA.org:kth-151385DiVA: diva2:748425
Funder
Swedish Research Council
Note

QC 20140919

Available from: 2014-09-19 Created: 2014-09-19 Last updated: 2017-12-05Bibliographically approved

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CiteExportLink to record
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