Event-shape engineering for inclusive spectra and elliptic flow in Pb-Pb collisions at √sNN=2.76 TeV

Adam, J. and Antičić, Tome and Erhardt, Filip and Gotovac, Sven and Mudnić, Eugen and Planinić, Mirko and Poljak, Nikola and Simatović, Goran and Utrobičić, Antonija and Vicković, Linda and Zyzak, M. (ALICE Collaboration) (2016) Event-shape engineering for inclusive spectra and elliptic flow in Pb-Pb collisions at √sNN=2.76 TeV. Physical Review C, 93 (3). pp. 34916-22. ISSN 2469-9985

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We report on results obtained with the event-shape engineering technique applied to Pb-Pb collisions at √sNN=2.76 TeV. By selecting events in the same centrality interval, but with very different average flow, different initial-state conditions can be studied. We find the effect of the event-shape selection on the elliptic flow coefficient v2 to be almost independent of transverse momentum pT, which is as expected if this effect is attributable to fluctuations in the initial geometry of the system. Charged-hadron, -pion, -kaon, and -proton transverse momentum distributions are found to be harder in events with higher-than-average elliptic flow, indicating an interplay between radial and elliptic flow.

Item Type: Article
Date: 31 March 2016
Subjects: NATURAL SCIENCES > Physics > Nuclear Physics
Additional Information: © 2016 CERN, for the ALICE Collaboration. Published by the American Physical Society under the terms of the Creative Commons Attribution 3.0 License. Received 13 August 2015; published 31 March 2016.
Divisions: Faculty of Science > Department of Physics
Publisher: American Physical Society
Depositing User: Gordana Stubičan Ladešić
Date Deposited: 24 Apr 2016 18:45
Last Modified: 29 Nov 2017 16:58
URI: http://digre.pmf.unizg.hr/id/eprint/4791

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