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Higher harmonic non-linear flow modes of charged hadrons in Pb-Pb collisions at 𝑠NN‾‾‾‾√ = 5.02 TeV

Journal of High Energy Physics JHEP05. Bd. 85. 2020 S. 1 - 30

Erscheinungsjahr: 2020

ISBN/ISSN: 1029-8479

Publikationstyp: Zeitschriftenaufsatz (Forschungsbericht)

Sprache: Englisch

Doi/URN: 10.1007/JHEP05(2020)085

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Inhaltszusammenfassung


Anisotropic flow coefficients, v𝑛, non-linear flow mode coefficients, χ𝑛,𝑚𝑘, and correlations among different symmetry planes, ρ𝑛,𝑚𝑘 are measured in Pb-Pb collisions at 𝑠NN‾‾‾‾√ = 5.02 TeV. Results obtained with multi-particle correlations are reported for the transverse momentum interval 0.2 < p𝑇< 5.0 GeV/c within the pseudorapidity interval 0.4 < |η| < 0.8 as a function of collision centrality. The v𝑛 coefficients and χ𝑛,𝑚𝑘 and ρ𝑛,𝑚𝑘 are presented up to the ninth and seventh harmonic order,...Anisotropic flow coefficients, v𝑛, non-linear flow mode coefficients, χ𝑛,𝑚𝑘, and correlations among different symmetry planes, ρ𝑛,𝑚𝑘 are measured in Pb-Pb collisions at 𝑠NN‾‾‾‾√ = 5.02 TeV. Results obtained with multi-particle correlations are reported for the transverse momentum interval 0.2 < p𝑇< 5.0 GeV/c within the pseudorapidity interval 0.4 < |η| < 0.8 as a function of collision centrality. The v𝑛 coefficients and χ𝑛,𝑚𝑘 and ρ𝑛,𝑚𝑘 are presented up to the ninth and seventh harmonic order, respectively. Calculations suggest that the correlations measured in different symmetry planes and the non-linear flow mode coefficients are dependent on the shear and bulk viscosity to entropy ratios of the medium created in heavy-ion collisions. The comparison between these measurements and those at lower energies and calculations from hydrodynamic models places strong constraints on the initial conditions and transport properties of the system.» weiterlesen» einklappen

Autoren


Acharya, S. (Autor)
Adamova, D. (Autor)
Adler, A. (Autor)

Klassifikation


DDC Sachgruppe:
Physik

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