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

ATLAS Collaboration

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32 Citations (Scopus)
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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 (LQu3 →tν/bτ) and down-type (LQd3 →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 LQu3 and LQd3 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.
Original languageEnglish
JournalJHEP
Issue number144
DOIs
Publication statusPublished - 28 Jun 2019

Bibliographical note

48 pages in total, author list starting page 32, 17 figures, 7 tables, submitted to JHEP. All figures including auxiliary figures are available at https://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/EXOT-2017-30/

Keywords

  • hep-ex

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