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Searches for third-generation scalar leptoquarks in √s = 13 TeV pp collisions with the ATLAS detector

CollaborationWith : Akilli, Ece / Amrouche, Cherifa Sabrina / Benoit, Mathieu / Clark, Allan Geoffrey / Della Volpe, Domenico / Di Bello, Francesco Armando / Dubreuil, Arnaud / Ferrere, Didier / Gadatsch, Stefan / Golling, Tobias / Gonzalez Sevilla, Sergio / Iacobucci, Giuseppe / Iizawa, Tomoya / Jansky, Roland / Khoo, Teng Jian / Kiehn, Moritz / Lanfermann, Marie Christine / Lionti, Anthony Eric / Mermod, Philippe / Nessi, Marzio / Nindhito, Herjuno Rah / Paolozzi, Lorenzo / Poggi, Riccardo / Raine, Johnny / Salamani, Dalila / Schramm, Steven / Sfyrla, Anna / Sultan, D M S / Valente, Marco / Vicente Barreto Pinto, Mateus / Wu, Xin / Zaffaroni, Ettore
Published in Journal of High Energy Physics. 2019, vol. 2019, p. 1-48
Collection Open Access - SCOAP3
Abstract Limits are set on the pair production of scalar leptoquarks, where all possible decays of the leptoquark into a quark (t, b) and a lepton (τ, ν) of the third generation are considered. The limits are presented as a function of the leptoquark mass and the branching ratio into charged leptons for up-type (LQ 3 u → tν/bτ) and down-type (LQ 3 d → bν/tτ) leptoquarks. Many results are reinterpretations of previously published ATLAS searches. In all cases, LHC proton-proton collision data at a centre-of-mass energy of √s = 13 TeV recorded by the ATLAS detector in 2015 and 2016 are used, corresponding to an integrated luminosity of 36.1 fb−1. Masses below 800 GeV are excluded for both LQ 3 u and LQ 3 d independently of the branching ratio, with masses below about 1 TeV being excluded for the limiting cases of branching ratios equal to zero or unity.
arXiv: 1902.08103
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ATLAS COLLABORATION. Searches for third-generation scalar leptoquarks in √s = 13 TeV pp collisions with the ATLAS detector. In: Journal of High Energy Physics, 2019, vol. 2019, p. 1-48. doi: 10.1007/JHEP06(2019)144 https://archive-ouverte.unige.ch/unige:128777

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Deposited on : 2020-01-14

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