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Longitudinal flow decorrelations in Xe+Xe collisions at √s.sub.NN./sub. = 5.44 TeV with the ATLAS detector
- 1.0551062 - FZÚ 2022 RIV US eng J - Článek v odborném periodiku
Aad, G. - Abbott, B. - Abbott, D.C. - Chudoba, Jiří - Hejbal, Jiří - Hladík, Ondřej - Jačka, Petr - Jakoubek, Tomáš - Kepka, Oldřich - Kroll, Jiří - Kupčo, Alexander - Lokajíček, Miloš - Lysák, Roman - Marčišovský, Michal - Mikeštíková, Marcela - Němeček, Stanislav - Penc, Ondřej - Šícho, Petr - Staroba, Pavel - Svatoš, Michal - Taševský, Marek … celkem 2917 autorů
Longitudinal flow decorrelations in Xe+Xe collisions at √sNN = 5.44 TeV with the ATLAS detector.
Physical Review Letters. Roč. 126, č. 12 (2021), č. článku 122301. ISSN 0031-9007. E-ISSN 1079-7114
Grant CEP: GA MŠMT(CZ) LTT17018
Výzkumná infrastruktura: CERN-CZ II - 90104
Institucionální podpora: RVO:68378271
Klíčová slova: ATLAS * CERN LHC Coll * transverse momentum * initial state * experimental results * 5440 GeV-cms/nucleon
Obor OECD: Particles and field physics
Impakt faktor: 9.185, rok: 2021
Způsob publikování: Open access
The first measurement of longitudinal decorrelations of harmonic flow amplitudes vn for n=2–4 in Xe+Xe collisions at sNN=5.44 TeV is obtained using 3 μb-1 of data with the ATLAS detector at the LHC. The decorrelation signal for v3 and v4 is found to be nearly independent of collision centrality and transverse momentum (pT) requirements on final-state particles, but for v2 a strong centrality and pT dependence is seen. When compared with the results from Pb+Pb collisions at sNN=5.02 TeV, the longitudinal decorrelation signal in midcentral Xe+Xe collisions is found to be larger for v2, but smaller for v3. Current hydrodynamic models reproduce the ratios of the vn measured in Xe+Xe collisions to those in Pb+Pb collisions but fail to describe the magnitudes and trends of the ratios of longitudinal flow decorrelations between Xe+Xe and Pb+Pb.
Trvalý link: http://hdl.handle.net/11104/0326391
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