Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/8481
Title: Probing the chiral magnetic wave in pPb and PbPb collisions at root S-NN=5.02 TeV using charge-dependent azimuthal anisotropies
Authors: Karapınar, Güler
CMS Collaboration
Issue Date: 2019
Publisher: American Physical Society
Abstract: Charge-dependent anisotropy Fourier coefficients (v(n)) of particle azimuthal distributions are measured in pPb and PbPb collisions at root S-NN = 5.02 TeV with the CMS detector at the LHC. The normalized difference in the second-order anisotropy coefficients (v(2)) between positively and negatively charged particles is found to depend linearly on the observed event charge asymmetry with comparable slopes for both pPb and PbPb collisions over a wide range of charged particle multiplicity. In PbPb, the third-order anisotropy coefficient v(3) shows a similar linear dependence with the same slope as seen for v(2). The observed similarities between the v(2) slopes for pPb and PbPb, as well as the similar slopes for v(2) and v(3) in PbPb, are compatible with expectations based on local charge conservation in the decay of clusters or resonances, and constitute a challenge to the hypothesis that, at LHC energies, the observed charge asymmetry dependence of v(2) in heavy ion collisions arises from a chiral magnetic wave.
URI: https://doi.org/10.1103/PhysRevC.100.064908
https://hdl.handle.net/11147/8481
ISSN: 2469-9985
2469-9993
Appears in Collections:Rectorate / Rektörlük
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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