Measurement of the Lund Jet Plane Using Charged Particles in 13 TeV Proton-Proton Collisions with the ATLAS Detector

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T1 - Measurement of the Lund Jet Plane Using Charged Particles in 13 TeV Proton-Proton Collisions with the ATLAS Detector

AU - ATLAS Collaboration

AU - Aad, G

AU - Åkesson, Torsten

AU - Bocchetta, Simona

AU - Bryngemark, Lene

AU - Corrigan, Eric Edward

AU - Doglioni, Caterina

AU - Gregersen, Kristian

AU - Brottmann Hansen, Eva

AU - Hedberg, Vincent

AU - Jarlskog, Göran

AU - Kalderon, Charles

AU - Kellermann, Edgar

AU - Konya, Balazs

AU - Lytken, Else

AU - Mankinen, Katja

AU - Marcon, Caterina

AU - Mjörnmark, Ulf

AU - Mullier, Geoffrey André Adrien

AU - Pöttgen, Ruth

AU - Poulsen, Trine

AU - Skorda, Eleni

AU - Smirnova, Oxana

AU - Zwalinski, L

PY - 2020

Y1 - 2020

N2 - 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.

AB - 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.

KW - article

KW - Monte Carlo method

KW - prevalence

KW - theoretical study

U2 - 10.1103/PhysRevLett.124.222002

DO - 10.1103/PhysRevLett.124.222002

M3 - Article

VL - 124

JO - Physical Review Letters

JF - Physical Review Letters

SN - 1079-7114

IS - 22

M1 - 222002

ER -