A precise measurement of the jet energy scale derived from single-particle measurements and in situ techniques in proton–proton collisions at s= 13 TeV with the ATLAS detector.
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| Title: | A precise measurement of the jet energy scale derived from single-particle measurements and in situ techniques in proton–proton collisions at s= 13 TeV with the ATLAS detector. |
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| Authors: | Aad, G.1 (AUTHOR), Aakvaag, E.2 (AUTHOR), Abbott, B.3 (AUTHOR), Abdelhameed, S.4 (AUTHOR), Abeling, K.5 (AUTHOR), Abicht, N. J.6 (AUTHOR), Abidi, S. H.7 (AUTHOR), Aboelela, M.8 (AUTHOR), Aboulhorma, A.9 (AUTHOR), Abramowicz, H.10 (AUTHOR), Abreu, H.11 (AUTHOR), Abulaiti, Y.12 (AUTHOR), Acharya, B. S.13,14,15 (AUTHOR), Ackermann, A.16 (AUTHOR), Bourdarios, C. Adam17 (AUTHOR), Adamczyk, L.18 (AUTHOR), Addepalli, S. V.19 (AUTHOR), Addison, M. J.20 (AUTHOR), Adelman, J.21 (AUTHOR), Adiguzel, A.22 (AUTHOR) |
| Source: | European Physical Journal C -- Particles & Fields. Sep2025, Vol. 85 Issue 9, p1-32. 32p. |
| Subjects: | Proton-proton interactions, Large Hadron Collider, Measurement uncertainty (Statistics), Calorimeters |
| Abstract: | The jet energy calibration and its uncertainties are derived from measurements of the calorimeter response to single particles in both data and Monte Carlo simulation using proton–proton collisions at s = 13 TeV collected with the ATLAS detector during Run 2 at the Large Hadron Collider. The jet calibration uncertainty for anti- k T jets with a jet radius parameter of R jet = 0.4 and in the central jet rapidity region is about 2.5% for transverse momenta ( p T ) of 20 GeV , about 0.5 % for p T = 300 GeV and 0.7 % for p T = 4 TeV . Excellent agreement is found with earlier determinations obtained from p T -balance based in situ methods ( Z / γ +jets). The combination of these two independent methods results in the most precise jet energy measurement achieved so far with the ATLAS detector with a relative uncertainty of 0.3 % at p T = 300 GeV and 0.6 % at 4 TeV. The jet energy calibration is also derived with the single-particle calorimeter response measurements separately for quark- and gluon-induced jets and furthermore for jets with R jet varying from 0.2 to 1.0 retaining the correlations between these measurements. Differences between inclusive jets and jets from boosted top-quark decays, with and without grooming the soft jet constituents, are also studied. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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| Abstract: | The jet energy calibration and its uncertainties are derived from measurements of the calorimeter response to single particles in both data and Monte Carlo simulation using proton–proton collisions at s = 13 TeV collected with the ATLAS detector during Run 2 at the Large Hadron Collider. The jet calibration uncertainty for anti- k T jets with a jet radius parameter of R jet = 0.4 and in the central jet rapidity region is about 2.5% for transverse momenta ( p T ) of 20 GeV , about 0.5 % for p T = 300 GeV and 0.7 % for p T = 4 TeV . Excellent agreement is found with earlier determinations obtained from p T -balance based in situ methods ( Z / γ +jets). The combination of these two independent methods results in the most precise jet energy measurement achieved so far with the ATLAS detector with a relative uncertainty of 0.3 % at p T = 300 GeV and 0.6 % at 4 TeV. The jet energy calibration is also derived with the single-particle calorimeter response measurements separately for quark- and gluon-induced jets and furthermore for jets with R jet varying from 0.2 to 1.0 retaining the correlations between these measurements. Differences between inclusive jets and jets from boosted top-quark decays, with and without grooming the soft jet constituents, are also studied. [ABSTRACT FROM AUTHOR] |
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| ISSN: | 14346044 |
| DOI: | 10.1140/epjc/s10052-025-14409-1 |
