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SUMMARY:Higher-order moments of the elliptic flow distribution in 5.02 TeV
  Pb-Pb collisions
DTSTART;VALUE=DATE-TIME:20230529T144000Z
DTEND;VALUE=DATE-TIME:20230529T150000Z
DTSTAMP;VALUE=DATE-TIME:20261010T191000Z
UID:indico-contribution-405@indico.ipb.ac.rs
DESCRIPTION:Speakers: Jovan Milosevic (Vinča Institute of Nuclear Science
 s\, Serbia)\nThe hydrodynamic flow-like behavior of charged hadrons in hig
 h-energy lead-lead collisions is studied through their multiparticle corre
 lations. The elliptic anisotropy harmonic values based on different orders
  of multiparticle cumulants\, v2{2k}\, are measured up to the tenth order 
 (k = 5) as functions of the collision centrality at a nucleon-nucleon cent
 er-of-mass energy of 5.02 TeV. The data were obtained by the CMS experimen
 t at the LHC with an integrated luminosity of 0.607 nb-1.\nA fine splittin
 g is observed between the coefficients\, with v2{2} > v2{4}≳ v2{6} ≳ v
 2{8} ≳ v2{10}. The subtle differences in the higher-order cumulants allo
 w for a precise determination of the underlying hydrodynamics. Based on th
 ese results\, centrality-dependent moments for the fluctuation-driven even
 t-by-event v2 distribution are determined\, including the skewness\, the k
 urtosis and\, for the first time\, the superskewness. Assuming a hydrodyna
 mic expansion of the produced medium\, these moments directly probe the in
 itial-state geometry in high-energy nucleus-nucleus collisions.\n\nhttps:/
 /events.saifa.rs/event/554/contributions/405/
LOCATION:SANU (Serbian Academy of Science and Arts) - Belgrade\, Serbia
URL:https://events.saifa.rs/event/554/contributions/405/
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