Počet záznamů: 1
Measurements of long-range two-particle correlation over a wide pseudorapidity range in p-Pb collisions at √s.sub.NN./sub.=5.02 TeV
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SYSNO ASEP 0585195 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Článek ve WOS Název Measurements of long-range two-particle correlation over a wide pseudorapidity range in p-Pb collisions at √sNN=5.02 TeV Tvůrce(i) Acharya, S. (IN)
Adamová, Dagmar (UJF-V) RID, ORCID, SAI
Aglieri Rinella, G. (CH)
Agnello, M. (IT)
Bielčík, J. (CZ)
Bielčíková, Jana (UJF-V) RID, ORCID, SAI
Broz, M. (CZ)
Contreras, J. G. (CZ)
Filová, V. (CZ)
Grecká, Ekaterina (UJF-V) ORCID
Grund, D. (CZ)
Haidlová, S. (CZ)
Herman, T. (CZ)
Isakov, Artem (UJF-V) ORCID, SAI
Khuntia, A. (CZ)
Kotliarov, Artem (UJF-V) ORCID, SAI
Krupová, D. M. (CZ)
Křížek, Filip (UJF-V) RID, ORCID, SAI
Kushpil, Svetlana (UJF-V) RID, ORCID, SAI
Šafařík, K. (CZ)
Torres, S. R. (CZ)
Závada, Petr (FZU-D) RID, ORCIDCelkový počet autorů 1054 Číslo článku 199 Zdroj.dok. Journal of High Energy Physics. - : Springer - ISSN 1029-8479
Roč. 2024, č. 1 (2024)Poč.str. 30 s. Forma vydání Tištěná - P Jazyk dok. eng - angličtina Země vyd. US - Spojené státy americké Klíč. slova ALICE collaboration ; collective flow ; heavy ion experiments Obor OECD Nuclear physics Výzkumná infrastruktura CERN-CZ III - 90240 - Fyzikální ústav AV ČR, v. v. i. Způsob publikování Open access Institucionální podpora FZU-D - RVO:68378271 ; UJF-V - RVO:61389005 UT WOS 001187990700001 DOI 10.1007/JHEP01(2024)199 Anotace Correlations in azimuthal angle extending over a long range in pseudorapidity between particles, usually called the 'ridge' phenomenon, were discovered in heavy-ion collisions, and later found in pp and p-Pb collisions. In large systems, they are thought to arise from the expansion (collective flow) of the produced particles. Extending these measurements over a wider range in pseudorapidity and final-state particle multiplicity is important to understand better the origin of these long-range correlations in small collision systems. In this Letter, measurements of the long-range correlations in p-Pb collisions at root s(NN) = 5.02 TeV are extended to a pseudorapidity gap of Delta eta similar to 8 between particles using the ALICE forward multiplicity detectors. After suppressing non-flow correlations, e.g., from jet and resonance decays, the ridge structure is observed to persist up to a very large gap of Delta eta similar to 8 for the first time in p-Pb collisions. This shows that the collective flow-like correlations extend over an extensive pseudorapidity range also in small collision systems such as p-Pb collisions. The pseudorapidity dependence of the second-order anisotropic flow coefficient, v(2)(eta), is extracted from the long-range correlations. The v(2)(eta) results are presented for a wide pseudorapidity range of -3.1 < eta < 4.8 in various centrality classes in p-Pb collisions. To gain a comprehensive understanding of the source of anisotropic flow in small collision systems, the v(2)(eta) measurements are compared with hydrodynamic and transport model calculations. The comparison suggests that the final-state interactions play a dominant role in developing the anisotropic flow in small collision systems. Pracoviště Ústav jaderné fyziky Kontakt Markéta Sommerová, sommerova@ujf.cas.cz, Tel.: 266 173 228 Rok sběru 2025 Elektronická adresa https://doi.org/10.1007/JHEP01(2024)199
Počet záznamů: 1