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

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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.

Journal

  • Physical review C

    Physical review C 93(3), 034916, 2016-03

    American Physical Society

Keywords

Codes

  • NII Article ID (NAID)
    120005764022
  • NII NACSIS-CAT ID (NCID)
    AA00773613
  • Text Lang
    ENG
  • Article Type
    journal article
  • ISSN
    2469-9985
  • Data Source
    IR 
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