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Searches for scalar leptoquarks in pp collisions at √s = 8 TeV with the ATLAS detector

CollaborationWith : Ancu, Lucian Stefan / Bell, William / Benhar Noccioli, Eleonora / Bilbao De Mendizabal, Javier / Calace, Noemi / Clark, Allan Geoffrey / Coccaro, Andrea / Delitzsch, Chris Malena / Della Volpe, Domenico / Ferrere, Didier / Gadomski, Szymon / Golling, Tobias / Gonzalez Sevilla, Sergio / Gramling, Johanna Léna / Guescini, Francesco / Iacobucci, Giuseppe / Katre, Akshay / Mermod, Philippe / Miucci, Antonio / Muenstermann, Daniel / Paolozzi, Lorenzo / Picazio, Attilio / Ristic, Branislav / Schramm, Steven / Tykhonov, Andrii / Vallecorsa, Sofia / Wu, Xin
Published in The European Physical Journal. C, Particles and Fields. 2016, vol. 76, no. 1, 5
Collection Open Access - SCOAP3
Abstract Searches for pair-produced scalar leptoquarks are performed using 20 fb -1 of proton–proton collision data provided by the LHC and recorded by the ATLAS detector at s=8 TeV. Events with two electrons (muons) and two or more jets in the final state are used to search for first (second)-generation leptoquarks. The results from two previously published ATLAS analyses are interpreted in terms of third-generation leptoquarks decaying to bντb¯ντ¯ and tντt¯ντ¯ final states. No statistically significant excess above the Standard Model expectation is observed in any channel and scalar leptoquarks are excluded at 95 % CL with masses up to mLQ1< 1050 GeV for first-generation leptoquarks, mLQ2< 1000 GeV for second-generation leptoquarks, mLQ3< 625 GeV for third-generation leptoquarks in the bντb¯ντ¯ channel, and 200 <mLQ3< 640 GeV in the tντt¯ντ¯ channel.
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ATLAS COLLABORATION. Searches for scalar leptoquarks in pp collisions at √s = 8 TeV with the ATLAS detector. In: European physical journal. C, Particles and fields, 2016, vol. 76, n° 1, p. 5. doi: 10.1140/epjc/s10052-015-3823-9 https://archive-ouverte.unige.ch/unige:80164

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Deposited on : 2016-02-01

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