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Search for electroweak-scale dijet resonances using trigger-level analysis with the ATLAS detector in 132 fb-1 of pp collisions at √s=13 TeV

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This article reports on a search for dijet resonances using 132 fb−1 of 𝑝⁢𝑝 collision data recorded at √𝑠 =13 TeV by the ATLAS detector at the Large Hadron Collider. The search is performed solely on jets reconstructed within the ATLAS trigger to overcome bandwidth limitations imposed on conventiona...

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Main Authors: Aad, Georges (Author) , Ackermann, Anke (Author) , Backes, Mathias (Author) , Baltes, Lisa Marie (Author) , Bartels, Falk (Author) , Dittmeier, Sebastian (Author) , Dunford, Monica (Author) , Franchino, Silvia (Author) , Junkermann, Thomas (Author) , Nandi, Abhirikshma (Author) , Rassloff, Damir Fabrice (Author) , Sanfilippo, Lorenzo (Author) , Schöning, André (Author) , Schultz-Coulon, Hans-Christian (Author) , Sothilingam, Varsiha (Author) , Stamen, Rainer (Author) , Vigani, Luigi (Author) , Weber, Sebastian (Author) , Wessels, Martin (Author) , Zinßer, Joachim (Author)
Corporate Author: ATLAS Collaboration (Author)
Format: Article (Journal)
Language:English
Published: 24 November 2025
In: Physical review
Year: 2025, Volume: 112, Issue: 9, Pages: 1-30
ISSN:2470-0029
DOI:10.1103/15p2-bkg8
Online Access:Verlag, kostenfrei, Volltext: https://doi.org/10.1103/15p2-bkg8
Verlag, kostenfrei, Volltext: https://link.aps.org/doi/10.1103/15p2-bkg8
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Author Notes:G. Aad et al., (ATLAS Collaboration)
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Summary:This article reports on a search for dijet resonances using 132 fb−1 of 𝑝⁢𝑝 collision data recorded at √𝑠 =13 TeV by the ATLAS detector at the Large Hadron Collider. The search is performed solely on jets reconstructed within the ATLAS trigger to overcome bandwidth limitations imposed on conventional single-jet triggers, which would otherwise reject data from decays of sub-TeV dijet resonances. Collision events with two jets satisfying transverse momentum thresholds of 𝑝T ≥85 GeV and jet rapidity separation of |𝑦*| <0.6 are analysed for dijet resonances with invariant masses from 375 to 1800 GeV. A data-driven background estimate is used to model the dijet mass distribution from multijet processes. No significant excess above the expected background is observed. Upper limits are set at 95% confidence level on coupling values for a benchmark leptophobic axial-vector 𝑍′ model and on the production cross section for a new resonance contributing a Gaussian-distributed line-shape to the dijet mass distribution.
Item Description:ATLAS Collaboration: G. Aad, A. Ackermann, M.J. Backes, L.M. Baltes, F. Bartels, S.J. Dittmeier, M. Dunford, S. Franchino, T. Junkermann, A. Nandi, D.F. Rassloff, L. Sanfilippo, A. Schoening, H.-C. Schultz-Coulon, V. Sothilingam, R. Stamen, L. Vigani, S.M. Weber, M. Wessels, J. Zinsser und weitere 2914
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Gesehen am 28.04.2026
Physical Description:Online Resource
ISSN:2470-0029
DOI:10.1103/15p2-bkg8

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