phi meson production at forward rapidity in Pb-Pb collisions at root s(NN)=2.76 TeV

S. Acharya, F.T. Acosta, D. Adamova, J Adolfsson, MM. Aggarwal, G.A. Rinella, M. Agnello, N. Agrawal, Z. Ahammed, S.U. Ahn, S. Aiola, A. Akindinov, M. Al-Turany, SN Alam, DSD Albuquerque, D. Aleksandrov, Ian Bearden, Ante Bilandzic, Christian Alexander Bourjau, Lais Ozelin de Lima PimentelMarek Chojnacki, Jens Jørgen Gaardhøje, Freja Thoresen, Børge Svane Nielsen, bsm989 bsm989, Vojtech Pacik, You Zhou, Vytautas Vislavicius, Katarina Gajdosova, rtc312 rtc312

2 Citations (Scopus)
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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.

Original languageEnglish
Article number559
JournalEuropean Physical Journal C
Volume78
Issue number7
ISSN1434-6044
DOIs
Publication statusPublished - 1 Jul 2018

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