Details

Autor(en) / Beteiligte

• Akindinov, A.
• Andrei, C.
• Antinori, F.
• Aresti, M.
• Arnaldi, R.
• Baek, Y. W.
• Barreto, L.
• Basu, S.
• Beltran, Y. A. V.
• Bluhme, N.
• Bock, F.
• Bodova, T.
• Buckland, M. D.
• Burmasov, N.
• Carvalho, L. A. D.
• Castillo Castellanos, J.
• Chapeland, S.
• Chattopadhyay, S.
• Cortese, P.
• Dzalaiova, N.
• Evans, D.
• Faggin, M.
• Faivre, J.
• Galvan, C. D.
• Garcia-Solis, E.
• Gasik, P.
• Gay Ducati, M. B.
• Ghosh, C.
• Gordeev, P.
• Gorgon, M.
• Guernane, R.
• Hamdi, A.
• Hellbär, E.
• Horzyk, A.
• Ilkaev, R.
• Ippolitov, M.
• Iversen, K. E.
• Jakubowska, M. J.
• Jung, J.
• Jung, M.
• Jusko, A.
• Kaplin, V.
• Kebschull, U.
• Keidel, R.
• Khuntia, A.
• Kim, B.
• Kim, C.
• Kim, T.
• Kiselev, S.
• Kuskov, V.
• Liu, J.
• Lokos, S.
• Lömker, J.
• Loncar, P.
• Lugo, F. V.
• Manko, V.
• Martínez García, G.
• Masoni, A.
• Mastroserio, A.
• Mattiazzo, S.
• Miake, Y.
• Nath, A.
• Nellen, L.
• Nowakowski, P.
• Oh, S.
• Okorokov, V. A.
• Paisano-Guzmán, S.
• Perciballi, S.
• Pisano, S.
• Pucillo, S.
• Read, K. F.
• Riabov, V.
• Rodríguez Ramírez, S. A.
• Sahoo, R.
• Saramela, T. B.
• Schambach, J.
• Schlepper, F.
• Schmier, A. R.
• Šerkšnytė, L.
• Shahoyan, R.
• Shatat, A.
• Singh, R.
• Singh, S.
• Sitta, M.
• Soto-hernandez, A. B.
• Staa, J.
• Steffanic, P. J.
• Suaide, A. A. P.
• Takahashi, J.
• Tang, S.
• Tejeda Muñoz, G.
• Thakur, S.
• Vázquez Doce, O.
• Vickovic, L.
• Vinogradov, A.
• Volpe, G.
• von Haller, B.
• Wilk, G.
• Wu, W.
• Zarochentsev, A.

Titel

Prompt and non-prompt J/ψ production at midrapidity in Pb–Pb collisions at sNN = 5.02 TeV

Ist Teil von

• The journal of high energy physics, 2024-02, Vol.2024 (2), p.66

Ort / Verlag

Berlin/Heidelberg: Springer Berlin Heidelberg

Erscheinungsjahr

2024

Quelle

EZB Electronic Journals Library

Beschreibungen/Notizen

• A bstract The transverse momentum ( p T ) and centrality dependence of the nuclear modification factor R AA of prompt and non-prompt J/ ψ , the latter originating from the weak decays of beauty hadrons, have been measured by the ALICE collaboration in Pb–Pb collisions at s NN = 5.02 TeV. The measurements are carried out through the e + e − decay channel at midrapidity (| y | < 0.9) in the transverse momentum region 1.5 < p T < 10 GeV/ c . Both prompt and non-prompt J/ ψ measurements indicate a significant suppression for p T > 5 GeV/ c , which becomes stronger with increasing collision centrality. The results are consistent with similar LHC measurements in the overlapping p T intervals, and cover the kinematic region down to p T = 1.5 GeV/ c at midrapidity, not accessible by other LHC experiments. The suppression of prompt J/ ψ in central and semicentral collisions exhibits a decreasing trend towards lower transverse momentum, described within uncertainties by models implementing J/ ψ production from recombination of c and c ¯ quarks produced independently in different partonic scatterings. At high transverse momentum, transport models including quarkonium dissociation are able to describe the suppression for prompt J/ ψ . For non-prompt J/ ψ , the suppression predicted by models including both collisional and radiative processes for the computation of the beauty-quark energy loss inside the quark-gluon plasma is consistent with measurements within uncertainties.