Speaker
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Measurements of the transverse momentum spectra of light flavor
particles at intermediate and high pT are an important tool for QCD
studies. In pp collisions they provide a baseline for perturbative
QCD, while in Pb-Pb they are used to investigate the suppression
caused by the surrounding medium. In p-Pb collisions, such
measurements provide a reference to disentangle final from initial
state effects and thus play an important role in the search for
signatures of the formation of a deconfined hot medium. While the
comparison of the p-Pb and Pb-Pb data indicates that initial state
effects do not play a role in the suppression of hadron production
observed in heavy ion collisions, several measurements of particle
production in the low and intermediate pT region indicate the presence
of collective effects. The evolution of RAA for identified and
unindentified particles with centrality and pT will be discussed and
compared to theoretical predictions as well as lower energy
measurements.
