Azimuthal anisotropy of neutral pion production in Pb+Pb collisions at sqrt(s_NN) = 2760 GeV measured by ALICE

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Théâtre National (Centre Bonlieu)

Théâtre National

Centre Bonlieu

Board: 41
Poster Global and collective dynamics


Dmitry Blau (RRC Kurchatov Institute)


The measurement of the azimuthal anisotropy of neutral pions at high transverse momentum helps unveil the path-length dependence of jet-quenching. A further motivation to study this anisotropy at LHC energies is given by the fact that the azimuthal anisotropy of neutral pions at RHIC is under-predicted by current QCD energy-loss calculations. The neutral pion yield as a function of the emission angle w.r.t. the reaction plane is measured with the ALICE PHOS and EMCAL calorimeters as well as by reconstructing photons via their conversion into $e^+e^-$ pairs. In addition to the azimuthal anisotropy of neutral pions the reaction plane dependence of the nuclear modification factor, $R_{AA}$, is presented.

Primary author

Dmitry Blau (RRC Kurchatov Institute)

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