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Charge-dependent flow and the search for the chiral magnetic wave in Pb-Pb collisions at √sNN=2.76TeV

Adam, J.
•
Adamová, D.
•
Aggarwal, M. M.
altro
Zyzak, M.
2016
  • journal article

Periodico
PHYSICAL REVIEW C
Abstract
We report on measurements of a charge-dependent flow using a novel three-particle correlator with ALICE in Pb-Pb collisions at the LHC, and discuss the implications for observation of local parity violation and the Chiral Magnetic Wave (CMW) in heavy-ion collisions. Charge-dependent flow is reported for different collision centralities as a function of the event charge asymmetry. While our results are in qualitative agreement with expectations based on the CMW, the nonzero signal observed in higher harmonics correlations indicates a possible significant background contribution. We also present results on a differential correlator, where the flow of positive and negative charges is reported as a function of the mean charge of the particles and their pseudorapidity separation. We argue that this differential correlator is better suited to distinguish the differences in positive and negative charges expected due to the CMW and the background effects, such as local charge conservation coupled with strong radial and anisotropic flow.
DOI
10.1103/PhysRevC.93.044903
WOS
WOS:000411142000006
Archivio
http://hdl.handle.net/11368/2880486
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85007282111
http://arxiv.org/abs/1512.05739v2
http://journals.aps.org/prc/abstract/10.1103/PhysRevC.93.044903
Diritti
open access
license:creative commons
license uri:http://creativecommons.org/licenses/by/3.0/it/
FVG url
https://arts.units.it/bitstream/11368/2880486/2/PhysRevC.93.044903.pdf
Soggetti
  • Nuclear Experiment

  • Nuclear Experiment

Scopus© citazioni
49
Data di acquisizione
Jun 14, 2022
Vedi dettagli
Web of Science© citazioni
38
Data di acquisizione
Mar 27, 2024
Visualizzazioni
2
Data di acquisizione
Apr 19, 2024
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