Nuclear modification factor $I_{AA}$ in $AA$ collisions at RHIC and LHC energies in scenarios with and without quark-gluon plasma formation in $pp$ collisions
Abstract:
We calculate the away-side hadron-triggered modification factor $I_{AA}$ in $AA$ collisions at RHIC and LHC energies for scenarios with and without quark-gluon plasma formation in $pp$ collision. We find that for both scenarios theoretical results for $I_{AA}$ agree well with the available data for 2.76 TeV Pb + Pb and 0.2 TeV Au + Au collisions. We make predictions for $I_{AA}$ in 7 TeV O + O collisions that are planned at the LHC. Our results show that measuring $I_{OO}$ in the whole centrality interval and at small centrality (${\lesssim}\,5$ %) may give information on the presence of jet quenching in $pp$ collisions.
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