Measurement of the azimuthal anisotropy of charged-particle production in Xe plus Xe collisions at root S-NN=5.44 TeV with the ATLAS detector
PHYSICAL REVIEW C
MetadataShow full item record
This paper describes the measurements of flow harmonics v 2 – v 6 in 3 μ b − 1 of Xe + Xe collisions at √ s N N = 5.44 TeV performed using the ATLAS detector at the Large Hadron Collider (LHC). Measurements of the centrality, multiplicity, and p T dependence of the v n obtained using two-particle correlations and the scalar product technique are presented. The measurements are also performed using a template-fit procedure, which was developed to remove nonflow correlations in small collision systems. This nonflow removal is shown to have a significant influence on the measured v n at high p T , especially in peripheral events. Comparisons of the measured v n with measurements in Pb + Pb collisions and p + Pb collisions at √ s N N = 5.02 TeV are also presented. The v n values in Xe + Xe collisions are observed to be larger than those in Pb + Pb collisions for n = 2 , 3, and 4 in the most central events. However, with decreasing centrality or increasing harmonic order n , the v n values in Xe + Xe collisions become smaller than those in Pb + Pb collisions. The v n in Xe + Xe and Pb + Pb collisions are also compared as a function of the mean number of participating nucleons, ⟨ N part ⟩ , and the measured charged-particle multiplicity in the detector. The v 3 values in Xe + Xe and Pb + Pb collisions are observed to be similar at the same ⟨ N part ⟩ or multiplicity, but the other harmonics are significantly different. The ratios of the measured v n in Xe + Xe and Pb + Pb collisions, as a function of centrality, are also compared to theoretical calculations.
AuthorsAad, G; Abbott, B; Abbott, DC; Abud, AA; Abeling, K; Abhayasinghe, DK; Abidi, SH; AbouZeid, OS; Abraham, NL; Abramowicz, H
- Particle Physics 
The following license files are associated with this item:
Except where otherwise noted, this item's license is described as Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.
Showing items related by title, author, creator and subject.
Impact of Bacillus Calmette-Guerin (BCG) vaccination on postoperative mortality in patients with perioperative SARS-CoV-2 infection Tabiri, S; Kamarajah, SK; Nepogodiev, D; Li, E; Simoes, J; Sravanam, S; Owusu, SA; Mahama, H; Agyeman, YN; Arthur, J (2021-11-09)
Combination of the W boson polarization measurements in top quark decays using ATLAS and CMS data at root s=8 TeV Aad, G; Abbott, B; Abbott, DC; Abud, AA; Abeling, K; Abhayasinghe, DK; Abidi, SH; AbouZeid, OS; Abraham, NL; Abramowicz, H (2020-08-12)
Combinations of single-top-quark production cross-section measurements and vertical bar f(LV)V(tb)vertical bar determinations at root s=7 and 8 TeV with the ATLAS and CMS experiments Aaboud, M; Aad, G; Abbott, B; Abbott, DC; Abdinov, O; Abud, AA; Abhayasinghe, DK; Abidi, SH; AbouZeid, OS; Abraham, NL (2019-05-16)