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Title

In situ calibration of large-radius jet energy and mass in 13 TeV proton–proton collisions with the ATLAS detector

AuthorsAaboud, M.; Aad, G.; Abbott, B.; Abdinov, O.; Abeloos, B.; Abhayasinghe, D.K.; Abidi, S.H.; AbouZeid, O.S.; Abraham, N.L.; Abramowicz, H.; Abreu, H.; Barreiro Alonso, Fernando; Castillo, F.L.; Bosman, M.; Cabrera, Susana ; Calvente Lopez, S.; Castillo Mª Victoria; Cavallaro, E.; Cavalli-Sforza, M.; Cerda Alberich, L.; Costa, María José ; Gerbaudo, D.; Cueto, A.; Del Peso, J.; Escobar, Carlos ; Glatzer, J.; Estrada, Oscar; Ferrer, Antonio ; Fiorini, L. ; Fischer, C.; Förster, F.A.; Fullana, Esteban ; González de la Hoz, Santiago ; Fuster, Juan ; García García, Carmen ; García Navarro, José Enrique ; Gkougkousis, E.L.; Glasman, C.; ATLAS Collaboration; Grinstein, S.; Higón, Emilio ; Jimenez Pena, Javier; Juste Rozas, A.; Korolkov, I.; Padilla Aranda, C.; Lacasta Llácer, Carlos ; Lange, J.C.; Lopez Paz, I.; Rizzi, C.; Lozano Bahilo, José J.; Madaffari, Daniele; Mamuzic, Judita; Martí García, Salvador ; Martinez, M.; Melini, Davide; Rodriguez Bosca, S.; Mir, L.M.; Mitsou, Vasiliki A. ; Pacheco Pages, A.; Pedraza López, Sebastián ; Riu, I.; Rodriguez Perez, A.; Rodriguez Rodriguez, D.; Rosten, R.; Ruiz Martínez, Arantxa ; Salt, José ; Sánchez Martínez, Javier ; Adachi, S.; Soldevila, Urmila ; Terron, J.; Abulaiti, Y.; Terzo, S.; Tripiana, M.F.; Valero, Alberto ; Valls Ferrer, Juan Antonio ; Van Daalen, T.R.; Vazquez Furelos, D.; Volpi, G.; Miñano Moya, M.; Vos, Marcel ; Zaidan, R.; Barranco, Laura; Santra, A.; Acharya, B.S.; Adam, L.; Adamczyk, L.; Adelman, J.; Adersberger, M.; Adiguzel, A.; Adye, T.; Alconada Verzini, M.J.; Affolder, A.A.; Afik, Y.; Agheorghiesei, C.; Aguilar-Saavedra, José Antonio; Ahmadov, F.; Aielli, G.; Akatsuka, S.; Åkesson, T.P.A.; Akilli, E.; Akimov, A.V.; Alderweireldt, S.; Alberghi, G.L.; Albert, Jan; Albicocco, P.; Aleksa, M.; Aleksandrov, I.N.; Alexa, C.;; Alexopoulos, T.; Alhroob, M.; Ali, B.; Alimonti, G.; Alison, J.; Casado, M.P.;; Alkire, S.P.; Allaire, C.; Allbrooke, B.M.M.; Allen, B.W.; Allport, P.P.; Aloisio, A.; Álvarez Piqueras, D. ; Aparisi, Pozo, J.A.; Bailey, A.J.
Issue DateFeb-2019
PublisherSpringer Nature
CitationEuropean Physical Journal C - Particles and Fields 79: 135 (2019)
AbstractThe response of the ATLAS detector to large-radius jets is measured in situ using 36.2 fb−1 of s√=13 TeV proton–proton collisions provided by the LHC and recorded by the ATLAS experiment during 2015 and 2016. The jet energy scale is measured in events where the jet recoils against a reference object, which can be either a calibrated photon, a reconstructed Z boson, or a system of well-measured small-radius jets. The jet energy resolution and a calibration of forward jets are derived using dijet balance measurements. The jet mass response is measured with two methods: using mass peaks formed by W bosons and top quarks with large transverse momenta and by comparing the jet mass measured using the energy deposited in the calorimeter with that using the momenta of charged-particle tracks. The transverse momentum and mass responses in simulations are found to be about 2–3% higher than in data. This difference is adjusted for with a correction factor. The results of the different methods are combined to yield a calibration over a large range of transverse momenta (pT). The precision of the relative jet energy scale is 1–2% for 200 GeV < pT < 2 TeV, while that of the mass scale is 2–10%. The ratio of the energy resolutions in data and simulation is measured to a precision of 10–15% over the same pT range.
Publisher version (URL)https://doi.org/10.1140/epjc/s10052-019-6632-8
URIhttp://hdl.handle.net/10261/193955
DOI10.1140/epjc/s10052-019-6632-8
ISSN1434-6044
E-ISSN1434-6052
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