Jet substructure measurements in heavy-ion collisions
Robert Vertesi (for the ATLAS, CMS, and ALICE Collaborations)
TL;DR
This paper reviews recent experimental measurements of jet substructure in heavy-ion collisions at the LHC, highlighting advances in understanding jet modifications in the quark-gluon plasma.
Contribution
It provides a comprehensive overview of recent jet substructure measurements from ATLAS, ALICE, and CMS, emphasizing new techniques and results in the field.
Findings
Observation of soft-drop groomed jet radii modifications
Measurement of jet axis differences and angularities
Analysis of dijet and b-jet shape modifications
Abstract
Jet substructure in heavy-ion collisions is a rapidly evolving area with lots of intriguing new measurements. This contribution presents a selection of recent jet-substructure measurements from experiments at the LHC, in particular, soft-drop groomed radii of jets and reclustered large-radius jets from ATLAS, jet axis difference and generalized jet angularities from ALICE, as well as dijet shapes and b-jet shapes from the CMS experiment.
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