Jet energy scale and resolution measured in proton–proton collisions at [square root]s=13 TeV with the ATLAS detector

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Abstract: Jet energy scale and resolution measurements with their associated uncertainties are reported for jets using 36–81 fb−1 of proton–proton collision data with a centre-of-mass energy of s√=13 TeV collected by the ATLAS detector at the LHC. Jets are reconstructed using two different input types: topo-clusters formed from energy deposits in calorimeter cells, as well as an algorithmic combination of charged-particle tracks with those topo-clusters, referred to as the ATLAS particle-flow reconstruction method. The anti-kt jet algorithm with radius parameter R=0.4 is the primary jet definition used for both jet types. This result presents new jet energy scale and resolution measurements in the high pile-up conditions of late LHC Run 2 as well as a full calibration of particle-flow jets in ATLAS. Jets are initially calibrated using a sequence of simulation-based corrections. Next, several in situ techniques are employed to correct for differences between data and simulation and to measure the resolution of jets. The systematic uncertainties in the jet energy scale for central jets (|η|<1.2) vary from 1% for a wide range of high-pT jets (2502.5 TeV). The relative jet energy resolution is measured and ranges from (24±1.5)% at 20 GeV to (6±0.5)% at 300 GeV

Standort
Deutsche Nationalbibliothek Frankfurt am Main
Umfang
Online-Ressource
Sprache
Englisch
Anmerkungen
The European physical journal. C, Particles and fields. - 81, 8 (2021) , 689, ISSN: 1434-6052

Ereignis
Veröffentlichung
(wo)
Freiburg
(wer)
Universität
(wann)
2023
Urheber
Beteiligte Personen und Organisationen
Experimentelle Teilchenphysik, Abt. Prof. Karl Jakobs
Experimentelle Teilchenphysik, Abt. Prof. Heinemann
Experimentelle Teilchenphysik, Abt. Prof. Dr. Gregor Herten
Experimentelle Teilchenphysik, Abt. Prof. Schumacher

DOI
10.1140/epjc/s10052-021-09402-3
URN
urn:nbn:de:bsz:25-freidok-2326384
Rechteinformation
Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
Letzte Aktualisierung
15.08.2025, 07:26 MESZ

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  • 2023

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