Speaker
Description
The study of the azimuthal correlation with $\pi^0$ offers a powerful way to investigate the properties of strongly-interacting matter created in ultra-relativistic heavy-ion collisions.
In this talk, we present the measurement of two-particle correlations of $\pi^0$ trigger particles with associated charged particles versus azimuthal angle difference ($\Delta\varphi$) in pp and central Pb–Pb collisions at $\sqrt{s_{NN}}$=2.76 TeV with the ALICE experiment. $\pi^0$ are detected by the ALICE electromagnetic calorimeter EMCal for transverse momenta 8<$p_{\rm T}$<16 GeV/c, and charged particles are measured by the ALICE main tracking detectors ITS and TPC for 0.5<$p_{\rm T}$<10 GeV/c, both at mid-rapidity.
The extracted per-trigger yield modification factors ($I_{AA}$) on the near and away side are compared with the expectations from theoretical models. The measurement is sensitive to the modifications of the medium modified fragmentation pattern in the QGP.
| Experimental Collaboration | ALICE Collaboration |
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