Improved reconstruction of highly boosted -lepton pairs in the decay channels with the ATLAS detector

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dc.contributor.authorLeeuw, Lerothodi
dc.contributor.authorZwalinski, Lukasz
dc.contributor.authorZormpa, Olga
dc.date.accessioned2026-01-21T12:49:12Z
dc.date.available2026-01-21T12:49:12Z
dc.date.issued2025
dc.description.abstractThis paper presents a new -lepton reconstruction and identification procedure at the ATLAS detector at the Large Hadron Collider, which leads to significantly improved performance in the case of physics processes where a highly boosted pair of -leptons is produced and one -lepton decays into a muon and two neutrinos , and the other decays into hadrons and one neutrino. By removing the muon information from the signals used for reconstruction and identification of the candidate in the boosted pair, the efficiency is raised to the level expected for an isolated. The new procedure is validated by selecting a sample of highly boosted candidates from the data sample of 140 of proton–proton collisions at 13 TeV recorded with the ATLAS detector. Good agreement is found between data and simulation predictions in both the signal region and in a background validation region. The results presented in this paper demonstrate the effectiveness of the reconstruction with muon removal in enhancing the signal sensitivity of the boosted channel at the ATLAS detector.
dc.identifier.citationAad, G. et al. (2025) Improved reconstruction of highly boosted τ-lepton pairs in the ττ→(μνμντ)(hadrons+ντ) decay channels with the ATLAS detector. European Physical Journal C. 85 (6), .
dc.identifier.urihttps://doi.org/10.1140/epjc/s10052-025-14012-4
dc.identifier.urihttps://hdl.handle.net/10566/21793
dc.language.isoen
dc.publisherSpringer Nature
dc.subjectLepton reconstruction
dc.subjectATLAS detector
dc.subjectCharged particles
dc.subjectParticle detectors
dc.subjectτ-lepton decays
dc.titleImproved reconstruction of highly boosted -lepton pairs in the decay channels with the ATLAS detector
dc.typeArticle

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