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

ALICE Collaboration

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Abstract

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.

Original languageEnglish
Article number034916
JournalPhysical Review C - Nuclear Physics
Volume93
Issue number3
DOIs
StatePublished - Mar 31 2016

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All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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