Anisotropic flow in Xe–Xe collisions at sNN=5.44 TeV

S Acharya, Jonatan Adolfsson, Peter Christiansen, Martin Ljunggren, Adrian Nassirpour, Anders Oskarsson, Tuva Richert, David Silvermyr, Evert Stenlund, Vytautas Vislavicius, S. Zou, ALICE Collaboration

Forskningsoutput: TidskriftsbidragArtikel i vetenskaplig tidskriftPeer review

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Sammanfattning

The first measurements of anisotropic flow coefficients vn for mid-rapidity charged particles in Xe–Xe collisions at sNN=5.44 TeV are presented. Comparing these measurements to those from Pb–Pb collisions at sNN=5.02 TeV, v2 is found to be suppressed for mid-central collisions at the same centrality, and enhanced for central collisions. The values of v3 are generally larger in Xe–Xe than in Pb–Pb at a given centrality. These observations are consistent with expectations from hydrodynamic predictions. When both v2 and v3 are divided by their corresponding eccentricities for a variety of initial state models, they generally scale with transverse density when comparing Xe–Xe and Pb–Pb, with some deviations observed in central Xe–Xe and Pb–Pb collisions. These results assist in placing strong constraints on both the initial state geometry and medium response for relativistic heavy-ion collisions. © 2018 European Organization for Nuclear Research
Originalspråkengelska
Sidor (från-till)82-95
Antal sidor14
TidskriftPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volym784
DOI
StatusPublished - 2018

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Export Date: 7 September 2018

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