Sirunyan, AM;
Tumasyan, A;
Adam, W;
Ambrogi, F;
Bergauer, T;
Brandstetter, J;
Dragicevic, M;
... CMS Collaboration, .; + view all
(2020)
Mixed higher-order anisotropic flow and nonlinear response coefficients of charged particles in PbPb collisions at \sqrt{S_{NN}} = 2.76 and 5.02 TeV.
The European Physical Journal C
, 80
(6)
, Article 534. 10.1140/epjc/s10052-020-7834-9.
Preview |
Text
Sirunyan2020_Article_MixedHigher-orderAnisotropicFl.pdf - Published Version Download (1MB) | Preview |
Abstract
Anisotropies in the initial energy density distribution of the quark-gluon plasma created in high energy heavy ion collisions lead to anisotropies in the azimuthal distributions of the final-state particles known as collective anisotropic flow. Fourier harmonic decomposition is used to quantify these anisotropies. The higher-order harmonics can be induced by the same order anisotropies (linear response) or by the combined influence of several lower order anisotropies (nonlinear response) in the initial state. The mixed higher-order anisotropic flow and nonlinear response coefficients of charged particles are measured as functions of transverse momentum and centrality in PbPb collisions at nucleon-nucleon center-of-mass energies \sqrt{S_{NN}} = 2.76 and 5.02 TeV with the CMS detector. The results are compared with viscous hydrodynamic calculations using several different initial conditions, as well as microscopic transport model calculations. None of the models provides a simultaneous description of the mixed higher-order flow harmonics and nonlinear response coefficients.
Type: | Article |
---|---|
Title: | Mixed higher-order anisotropic flow and nonlinear response coefficients of charged particles in PbPb collisions at \sqrt{S_{NN}} = 2.76 and 5.02 TeV |
Location: | France |
Open access status: | An open access version is available from UCL Discovery |
DOI: | 10.1140/epjc/s10052-020-7834-9 |
Publisher version: | https://doi.org/10.1140/epjc/s10052-020-7834-9 |
Language: | English |
Additional information: | © 2020 Springer Nature Switzerland AG. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/). |
UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences |
URI: | https://discovery-pp.ucl.ac.uk/id/eprint/10105455 |
Archive Staff Only
![]() |
View Item |