May 22 – 28, 2011
Centre Bonlieu
Europe/Zurich timezone

Neutral Pion production in PbPb collisions at sqrt(s_NN)=2.76 TeV measured by ALICE via photon conversions

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Théâtre National (Centre Bonlieu)

Théâtre National

Centre Bonlieu

Board: 26
Poster Jets


Daniel Lohner (Ruprecht-Karls-Universitaet Heidelberg)


The neutral pion yield is measured with ALICE by reconstructing photons via their conversion into e+e- pairs. Transverse momentum spectra are presented for pp and PbPb collisions as well as the resulting nuclear modification factor R_AA. The pi0 yield is studied as a function of the emission angle w.r.t. the reaction plane. At high transverse momentum this provides insights into the path-length dependence of jet-quenching. In addition, the reaction plane dependence of the nuclear modification factor R_AA is presented.

Primary author

Daniel Lohner (Ruprecht-Karls-Universitaet Heidelberg)

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