Novel tools and challenges for jet physics in heavy-ion collisions at the LHC
January 04, 2021
January 11, 2021
Jet measurements in heavy-ion collisions have a unique challenge due to the large fluctuating background from the underlying event. Recent advances in background subtraction techniques will be discussed that have allowed inclusive jet measurements to be measured to lower jet transverse momentum and larger jet resolution parameters than ever before at the LHC. Additionally, it can be challenging to find observables that are sensitive to the particular in-medium effects we are interested in to study the quark-gluon plasma. Recent applications of novel jet substructure tools to heavy-ion collisions will be discussed that are shown to be sensitive to jet quenching effects along with improvements in background subtraction techniques for these jet substructure measurements. These new tools allow for jet measurements in heavy-ion collisions at the LHC to be unfolded for detector and background effects such that they can be compared to various theoretical predictions to help us better understand jet quenching.
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