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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
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
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Number of Authors: 2863
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.
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:uu:diva-232722DOI: 10.1140/epjc/s10052-014-2982-4ISI: 000340574300001OAI: oai:DiVA.org:uu-232722DiVA: diva2:749296
Note

ATLAS Collaboration, for complete list of authors see http://dx.doi.org/10.1140/epjc/s10052-014-2982-4

Available from: 2014-09-23 Created: 2014-09-23 Last updated: 2017-12-05Bibliographically approved

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Brenner, RichardBuszello, Claus P.Coniavitis, EliasEkelöf, TordEllert, MattiasFerrari, ArnaudIsaksson, CharlieMadsen, AlexanderÖhman, HenrikPelikan, DanielRangel Smith, Camilla

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Brenner, RichardBuszello, Claus P.Coniavitis, EliasEkelöf, TordEllert, MattiasFerrari, ArnaudIsaksson, CharlieMadsen, AlexanderÖhman, HenrikPelikan, DanielRangel Smith, Camilla
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High Energy Physics
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