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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 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.
Originele taal-2 | English |
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Artikelnummer | 534 |
Pagina's (van-tot) | 534 |
Aantal pagina's | 25 |
Tijdschrift | The European Physical Journal C |
Volume | 80 |
Nummer van het tijdschrift | 6 |
DOI's | |
Status | Published - 13 jun 2020 |
Bibliografische nota
Replaced with the published version. Added the journal reference and the DOI. All the figures and tables can be found at http://cms-results.web.cern.ch/cms-results/public-results/publications/HIN-17-005 (CMS Public Pages)Vingerafdruk
Duik in de onderzoeksthema's van 'Mixed higher-order anisotropic flow and nonlinear response coefficients of charged particles in PbPb collisions at √sNN=2.76 and 5.02 TeV'. Samen vormen ze een unieke vingerafdruk.Projecten
- 1 Afgelopen
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SRP8: SRP (Zwaartepunt): Hoge-Energiefysica
D'Hondt, J., Van Eijndhoven, N., Craps, B. & Buitink, S.
1/11/12 → 31/10/24
Project: Fundamenteel
Datasets
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Mixed higher-order anisotropic flow and nonlinear response coefficients of charged particles in PbPb collisions at $\sqrt{s_\mathrm{NN}} =$ 2.76 and 5.02 TeV
Blekman, F. (Creator), Bols, E. S. (Creator), Chhibra, S. S. (Creator), D'Hondt, J. (Creator), De Clercq, J. T. (Creator), Lontkovskyi, D. (Creator), Lowette, S. (Creator), Marchesini, I. (Creator), Moortgat, S. (Creator), Moreels, L. (Creator), Python, Q. (Creator), Skovpen, K. (Creator), Tavernier, S. (Creator), Van Doninck, W. (Creator), Van Mulders, P. (Creator), Van Parijs, I. M. (Creator), Burns, D. (Creator) & Smith, W. H. (Creator), HEPData, 1 dec 2020
DOI: 10.17182/hepdata.88289, https://www.hepdata.net/record/ins1759853
Dataset