Measurements of charge-dependent azimuthal correlations with the ALICE detector at the LHC are reported for Pb-Pb collisions at √s_NN=2.76 TeV. Two- and three-particle charge-dependent azimuthal correlations in the pseudorapidity range |eta| < 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.

Charge separation relative to the reaction plane in Pb-Pb collisions at root s(NN)=2.76 TeV / Abelev, B., Adam, J., Adamova, D., Adare, A.m., Aggarwal, M.m., Rinella, G.a., Agocs, A.g., Agostinelli, A., Salazar, S.a., Ahammed, Z., Ahmad, N., Masoodi, A.a., Ahn, S.a., Ahn, S.u., Akindinov, A., Aleksandrov, D., Alessandro, B., Molina, R.a., Alici, A., Alkin, A., et al.. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - 110:1(2013). [10.1103/PhysRevLett.110.012301]

Charge separation relative to the reaction plane in Pb-Pb collisions at root s(NN)=2.76 TeV

BRUNO, Giuseppe Eugenio;
2013

Abstract

Measurements of charge-dependent azimuthal correlations with the ALICE detector at the LHC are reported for Pb-Pb collisions at √s_NN=2.76 TeV. Two- and three-particle charge-dependent azimuthal correlations in the pseudorapidity range |eta| < 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.
2013
http://prl.aps.org/abstract/PRL/v110/i1/e012301
Charge separation relative to the reaction plane in Pb-Pb collisions at root s(NN)=2.76 TeV / Abelev, B., Adam, J., Adamova, D., Adare, A.m., Aggarwal, M.m., Rinella, G.a., Agocs, A.g., Agostinelli, A., Salazar, S.a., Ahammed, Z., Ahmad, N., Masoodi, A.a., Ahn, S.a., Ahn, S.u., Akindinov, A., Aleksandrov, D., Alessandro, B., Molina, R.a., Alici, A., Alkin, A., et al.. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - 110:1(2013). [10.1103/PhysRevLett.110.012301]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11589/3827
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