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Measurements of inclusive jet spectra in pp and central Pb-Pb collisions at √sNN=5.02 TeV (CROSBI ID 278639)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

(ALICE Collaboration) Acharya, S. ; ... ; Antičić, Tome ; ... ; Erhardt, Filip ; ... ; Gotovac, Sven ; ... ; Jerčić, Marko ; ... et al. Measurements of inclusive jet spectra in pp and central Pb-Pb collisions at √sNN=5.02 TeV // Physical review. C, 101 (2020), 3; 034911, 21. doi: 10.1103/PhysRevC.101.034911

Podaci o odgovornosti

Acharya, S. ; ... ; Antičić, Tome ; ... ; Erhardt, Filip ; ... ; Gotovac, Sven ; ... ; Jerčić, Marko ; ... ; Lončar, Petra ; ... ; Mudnić, Eugen ; ... ; Planinić, Mirko ; ... ; Poljak, Nikola ; ... ; Simatović, Goran ; ... ; Utrobičić, Antonija ; ... ; Vicković, Linda ; ... ; Zurlo, N.

ALICE Collaboration

engleski

Measurements of inclusive jet spectra in pp and central Pb-Pb collisions at √sNN=5.02 TeV

This article reports measurements of the pT- differential inclusive jet cross section in pp collisions at √s=5 .02TeV and the pT- differential inclusive jet yield in Pb-Pb 0–10% central collisions at√sNN =5.02TeV. Jets were reconstructed at midrapidity with the ALICE tracking detectors and electromagnetic calorimeter using the anti-kT algorithm. For ppcollisions, we report jet cross sections for jet resolution parameters R =0.1–0.6 over the range 20 < pT, jet < 140 GeV/c, as well as the jet cross-section ratios of different R and comparisons to two next-to-leading-order (NLO)– based theoretical predictions. For Pb-Pb collisions, we report the R=0.2 and R=0.4 jet spectra for 40 < pT, jet < 140 GeV/c and 60 < pT, jet < 140 GeV/c, respectively. The scaled ratio of jet yields observed in Pb-Pb to ppcollisions, RAA, is constructed, and exhibits strong jet quenching and a clear pT dependence for R=0.2. No significant R dependence of the jet RAA is observed within the uncertainties of the measurement. These results are compared to several theoretical predictions.

inclusive jet spectra ; Pb-Pb collisions

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Podaci o izdanju

101 (3)

2020.

034911

21

objavljeno

2469-9985

2469-9993

10.1103/PhysRevC.101.034911

Povezanost rada

Fizika

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