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Measurement of anisotropic flow in XeXe collisions at 5.44 TeV with the CMS experiment

Stojanovic, Milan and Anderson, D. and Bornheim, A. and Lawhorn, J. M. and Newman, H. B. and Nguyen, T. Q. and Spiropulu, M. and Vlimant, J. R. and Wilkinson, R. and Xie, S. and Zhang, Z. and Zhu, R. Y. (2019) Measurement of anisotropic flow in XeXe collisions at 5.44 TeV with the CMS experiment. Nuclear Physics A, 982 . pp. 395-398. ISSN 0375-9474. https://resolver.caltech.edu/CaltechAUTHORS:20190228-102943495

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Abstract

New measurements of anisotropic flow in XeXe collisions at a center-of-mass energy of 5.44 TeV per nucleon pair, collected by the CMS experiment at the LHC, are presented. The ν_2, ν_3 and ν_4 Fourier coefficients of the anisotropic azimuthal distribution are obtained employing three different analysis techniques: two-particle correlations, the scalar product method, and multiparticle cumulants, which have different sensitivities to non-flow and flow fluctuation effects. The results are shown as a function of transverse momentum (p_T) for various centrality selections, and compared with corresponding results from PbPb collisions. These new measurements in a smaller nucleus-nucleus system than PbPb provide additional insights into the system-size dependence of the collective flow induced by the dominant collision geometry and its fluctuations. In particular, these results, compared to theoretical predictions and Monte Carlo generators, will provide important details on the system size dependence of the medium response in heavy ion collisions. They also offer a unique opportunity to study the onset of flow from small to large systems.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1016/j.nuclphysa.2018.09.085DOIArticle
ORCID:
AuthorORCID
Bornheim, A.0000-0002-0128-0871
Newman, H. B.0000-0003-0964-1480
Nguyen, T. Q.0000-0003-3954-5131
Spiropulu, M.0000-0001-8172-7081
Xie, S.0000-0003-2509-5731
Zhang, Z.0000-0002-1630-0986
Zhu, R. Y.0000-0003-3091-7461
Additional Information:© 2018 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). Available online 22 January 2019.
Group:CMS@Caltech
Subject Keywords:flow, collectivity, system size, correlations
Record Number:CaltechAUTHORS:20190228-102943495
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20190228-102943495
Official Citation:Milan Stojanovic, Measurement of anisotropic flow in XeXe collisions at 5.44 TeV with the CMS experiment, Nuclear Physics A, Volume 982, 2019, Pages 395-398, ISSN 0375-9474, https://doi.org/10.1016/j.nuclphysa.2018.09.085. (http://www.sciencedirect.com/science/article/pii/S0375947418302756)
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:93335
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:28 Feb 2019 18:36
Last Modified:03 Oct 2019 20:53

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