ϕ meson production at forward rapidity in Pb–Pb collisions at √sNN=2.76 TeV

S Acharya, F. T. Acosta, D. Adamova, Jonatan Adolfsson, M.M Aggarwal, G Aglieri Rinella, Peter Christiansen, Martin Ljunggren, Anders Oskarsson, Tuva Richert, David Silvermyr, Evert Stenlund, Vytautas Vislavicius, ALICE Collaboration

Research output: Contribution to journalArticlepeer-review

Abstract

ϕ meson measurements provide insight into strangeness production, which is one of the key observables for the hot medium formed in high-energy heavy-ion collisions. ALICE measured ϕ production through its decay in muon pairs in Pb–Pb collisions at sNN=2.76 TeV in the intermediate transverse momentum range 2 < pT< 5 GeV/c and in the rapidity interval 2.5 < y< 4. The ϕ yield was measured as a function of the transverse momentum and collision centrality. The nuclear modification factor was obtained as a function of the average number of participating nucleons. Results were compared with the ones obtained via the kaon decay channel in the same pT range at midrapidity. The values of the nuclear modification factor in the two rapidity regions are in agreement within uncertainties. © 2018, CERN for the benefit of the ALICE collaboration.
Original languageEnglish
Article number559
JournalEuropean Physical Journal C
Volume78
Issue number7
DOIs
Publication statusPublished - 2018

Bibliographical note

Export Date: 23 July 2018

Subject classification (UKÄ)

  • Subatomic Physics

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