Optimisation of large-radius jet reconstruction for the ATLAS detector in 13 TeV proton–proton collisions
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Abstract
Jet substructure has provided new opportunities for searches and measurements
at the LHC, and has seen continuous development since the optimization of the
large-radius jet definition used by ATLAS was performed during Run 1. A range
of new inputs to jet reconstruction, pile-up mitigation techniques and jet
grooming algorithms motivate an optimisation of large-radius jet reconstruction
for ATLAS. In this paper, this optimisation procedure is presented, and the
performance of a wide range of large-radius jet definitions is compared. The
relative performance of these jet definitions is assessed using metrics such as
their pileup stability, ability to identify hadronically decaying
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1434-6052