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New techniques for jet calibration with the ATLAS detector

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    0576559 - FZÚ 2024 RIV DE eng J - Journal Article
    Aad, G. - Abbott, B. - Abeling, K. - Chudoba, Jiří - Federičová, Pavla - Hejbal, Jiří - Jačka, Petr - Kepka, Oldřich - Kroll, Jiří - Kupčo, Alexander - Latoňová, Věra - Lokajíček, Miloš - Lysák, Roman - Marčišovský, Michal - Mikeštíková, Marcela - Němeček, Stanislav - Šícho, Petr - Staroba, Pavel - Svatoš, Michal - Taševský, Marek … Total 2958 authors
    New techniques for jet calibration with the ATLAS detector.
    European Physical Journal C. Roč. 83, Aug (2023), č. článku 761. ISSN 1434-6044. E-ISSN 1434-6052
    Research Infrastructure: CERN-CZ III - 90240
    Institutional support: RVO:68378271
    Keywords : charged particle: tracks * ATLAS * CERN LHC Coll * particle flow * performance
    OECD category: Particles and field physics
    Impact factor: 4.4, year: 2022
    Method of publishing: Open access

    A determination of the jet energy scale is presented using proton–proton collision data with a centre-of-mass energy of s=13s ​=13 TeV, corresponding to an integrated luminosity of 140 fb−1−1 collected using the ATLAS detector at the LHC. Jets are reconstructed using the ATLAS particle-flow method that combines charged-particle tracks and topo-clusters formed from energy deposits in the calorimeter cells. The anti-ktkt​ jet algorithm with radius parameter R=0.4R=0.4 is used to define the jet. Novel jet energy scale calibration strategies developed for the LHC Run 2 are reported that lay the foundation for the jet calibration in Run 3. Jets are calibrated with a series of simulation-based corrections, including state-of-the-art techniques in jet calibration such as machine learning methods and novel in situ calibrations to achieve better performance than the baseline calibration derived using up to 81 fb−1−1 of Run 2 data.
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    0576559.pdf08.6 MBCC LicencePublisher’s postprintopen-access
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