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Linear and non-linear flow mode in Pb- Pb collisions at √sNN = 2.76 TeV

Acharya, S.
•
Adamová, D.
•
Adolfsson, J.
altro
Zou, S.
2017
  • journal article

Periodico
PHYSICS LETTERS. SECTION B
Abstract
The second and the third order anisotropic flow, V2 and V3, are mostly determined by the corresponding initial spatial anisotropy coefficients, ε2 and ε3, in the initial density distribution. In addition to their dependence on the same order initial anisotropy coefficient, higher order anisotropic flow, Vn (n > 3), can also have a significant contribution from lower order initial anisotropy coefficients, which leads to mode-coupling effects. In this Letter we investigate the linear and non-linear modes in higher order anisotropic flow Vn for n = 4, 5, 6 with the ALICE detector at the Large Hadron Collider. The measurements are done for particles in the pseudorapidity range |η| < 0.8 and the transverse momentum range 0.2 < pT < 5.0 GeV/c as a function of collision centrality. The results are compared with theoretical calculations and provide important constraints on the initial conditions, including initial spatial geometry and its fluctuations, as well as the ratio of the shear viscosity to entropy density of the produced system.
DOI
10.1016/j.physletb.2017.07.060
WOS
WOS:000413294200010
Archivio
http://hdl.handle.net/11368/2916124
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85027722091
https://www.sciencedirect.com/science/article/pii/S0370269317306160
Diritti
open access
FVG url
https://arts.units.it/bitstream/11368/2916124/1/PLB_773(2017)68-80.pdf
Soggetti
  • Nuclear and High Ener...

  • ALICE

  • LHC

Scopus© citazioni
42
Data di acquisizione
Jun 14, 2022
Vedi dettagli
Web of Science© citazioni
53
Data di acquisizione
Mar 25, 2024
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