Measurement of the Lund jet plane using charged particles in 13 TeV 
proton-proton collisions with the ATLAS detector

ATLAS Collaboration,

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Measurement of the Lund jet plane using charged particles in 13 TeV proton-proton collisions with the ATLAS detector

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ATLAS Collaboration,
Max Planck Institute for Physics, Max Planck Society and Cooperation Partners;

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Citation

ATLAS Collaboration (2020). Measurement of the Lund jet plane using charged particles in 13 TeV proton-proton collisions with the ATLAS detector. Physical Review Letters, 124, 222002. Retrieved from https://publications.mppmu.mpg.de/?action=search&mpi=MPP-2020-43.

Cite as: https://hdl.handle.net/21.11116/0000-0008-1ACB-7

Abstract

The prevalence of hadronic jets at the LHC requires that a deep understanding of jet formation and structure is achieved in order to reach the highest levels of experimental and theoretical precision. There have been many measurements of jet substructure at the LHC and previous colliders, but the targeted observables mix physical effects from various origins. Based on a recent proposal to factorize physical effects, this Letter presents a double-differential cross-section measurement of the Lund jet plane using 139 fb$^{-1}$ of $\sqrt{s}=13$ TeV proton-proton collision data collected with the ATLAS detector using jets with transverse momentum above 675 GeV. The measurement uses charged particles to achieve a fine angular resolution and is corrected for acceptance and detector effects. Several parton shower Monte Carlo models are compared with the data. No single model is found to be in agreement with the measured data across the entire plane.