Search for jet quenching effects in high multiplicity pp collisions at s=13 TeV
Abstract
The ALICE Collaboration reports a search for jet quenching effects in pp collisions at s=13 TeV, in events selected on high multiplicity compared to the minimum bias population. The measurement is based on the semi-inclusive acoplanarity distribution of jets recoiling from a high-pT trigger hadron. Significant broadening of the recoil jet acoplanarity distribution is observed in high multiplicity pp collisions, in both data and in simulations based on the PYTHIA model. Analysis is ongoing to elucidate the origin of this effect.
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