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Charge separation relative to the reaction plane in Pb-Pb collisions at √sNN = 2.76 TeV
ALICE Collaboration
ALICE Collaboration
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Abstract
Measurements of charge-dependent azimuthal correlations with the ALICE detector at the LHC are reported for Pb-Pb collisions at √sNN=2.76 TeV. Two- and three-particle charge-dependent azimuthal correlations in the pseudorapidity range |η|<0.8 are presented as a function of the collision centrality, particle separation in pseudorapidity, and transverse momentum. A clear signal compatible with a charge-dependent separation relative to the reaction plane is observed, which shows little or no collision energy dependence when compared to measurements at RHIC energies. This provides a new insight for understanding the nature of the charge-dependent azimuthal correlations observed at RHIC and LHC energies.
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2013-01-04
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IOP Publishing
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Abelev, B., Adam, J., Adamova, D., Adare, A. M., Aggarwal, M. M., Rinella, G. A., ... & Ahmad, N. (2013). Charge separation relative to the reaction plane in Pb-Pb collisions at s N N= 2.76 TeV. Physical review letters, 110(1), 012301.