LHC light-ion R_AA measurements could discriminate between scenarios with and without mini-QGP formation in pp collisions, with the largest difference predicted for carbon.
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
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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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Predictions for $R_{AA}$ in 5.36 TeV C+C, O+O, and Ne+Ne collisions at the LHC
LHC light-ion R_AA measurements could discriminate between scenarios with and without mini-QGP formation in pp collisions, with the largest difference predicted for carbon.