Please use this identifier to cite or link to this item:
https://hdl.handle.net/20.500.11851/11029
Title: | Search for pair production of third-generation leptoquarks decaying into a bottom quark and a τ -lepton with the ATLAS detector | Authors: | Aad, G. Abbott, B. Abeling, K. Abidi, S.H. Aboulhorma, A. Abramowicz, H. Abreu, H. |
Keywords: | Elementary particles Germanium compounds Signal processing A-center ATLAS detectors Bottom quarks Center-of-mass energies Centre-of-mass energies Data sample Leptoquarks Pair production Proton proton collisions Third generation Germanium alloys |
Publisher: | Institute for Ionics | Abstract: | A search for pair-produced scalar or vector leptoquarks decaying into a b-quark and a τ -lepton is presented using the full LHC Run 2 (2015–2018) data sample of 139 fb - 1 collected with the ATLAS detector in proton–proton collisions at a centre-of-mass energy of s=13 TeV. Events in which at least one τ -lepton decays hadronically are considered, and multivariate discriminants are used to extract the signals. No significant deviations from the Standard Model expectation are observed and 95% confidence-level upper limits on the production cross-section are derived as a function of leptoquark mass and branching ratio B into a τ -lepton and b-quark. For scalar leptoquarks, masses below 1460 GeV are excluded assuming B= 100 %, while for vector leptoquarks the corresponding limit is 1650 GeV (1910 GeV) in the minimal-coupling (Yang–Mills) scenario. © 2023, The Author(s). | URI: | https://doi.org/10.1140/epjc/s10052-023-12104-7 https://hdl.handle.net/20.500.11851/11029 |
ISSN: | 1434-6044 |
Appears in Collections: | Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection |
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