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" Event-shape engineering for inclusive spectra and elliptic flow in Pb-Pb collisions at s NN =2.76 TeV "
Adam, J; Adamová, D; Aggarwal, MM; Aglieri Rinella, G; Agnello, M; Agrawal, N; Ahammed, Z; Ahn, SU; Aimo, I; Aiola, S; Ajaz, M; Akindinov, A; Alam, SN; Aleksandrov, D; Alessandro, B; Alexandre, D; Alfaro Molina, R; Alici, A; Alkin, A; Almaraz, JRM; Alme, J; Alt, T; Altinpinar, S; Altsybeev, I; Alves Garcia Prado, C; et al.
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AL
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| Record Number
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907355
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LA6df9802z
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| Title & Author
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Event-shape engineering for inclusive spectra and elliptic flow in Pb-Pb collisions at s NN =2.76 TeV [Article]\ Adam, J; Adamová, D; Aggarwal, MM; Aglieri Rinella, G; Agnello, M; Agrawal, N; Ahammed, Z; Ahn, SU; Aimo, I; Aiola, S; Ajaz, M; Akindinov, A; Alam, SN; Aleksandrov, D; Alessandro, B; Alexandre, D; Alfaro Molina, R; Alici, A; Alkin, A; Almaraz, JRM; Alme, J; Alt, T; Altinpinar, S; Altsybeev, I; Alves Garcia Prado, C; et al.
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2016
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Lawrence Berkeley National Laboratory
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| Abstract
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©2016 CERN, for the ALICE Collaboration. Published by the American Physical Society under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. 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.
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