Nuclear Modification Factor IAA in AA Collisions at RHIC and LHC Energies in Scenarios with and without Quark–Gluon Plasma Formation in pp Collisions

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.