4. Nuclear Physics (CSN3)

Two particle correlations with identified trigger particles in p-Pb collisions at 5.02TeV

by Debojit Sarkar

Aula Leale (LNF INFN)

Aula Leale


We report results of baryon-hadron and meson-hadron correlations at intermediate pT, where an anomalous enhancement in the inclusive baryon-to-meson ratio has been observed in p-Pb collisions at VsNN = 5.02 TeV. The choice of the trigger pT region (2.0 pT 4.0 GeV/c) is of particular interest as it is believed to have contributions from both hard (fragmentation) and soft (hydrodynamics and/or coalescence model of hadronization) processes of particle production. The associated particles are charged hadrons with 1.0 pT 4.0 GeV/c. Using the two particle correlation technique, the multiplicity evolution of the pion- and proton-triggered jet-like yields has been studied to explore the underlying mechanisms of particle production in the intermediate pT (trigger pT) region.
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