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Searches for Scalar Leptoquarks in pp Collisions at √s = 8 TeV With the ATLAS Detector

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10.1140%2Fepjc%2Fs10052-015-3823-9.pdf (2.86 MB)

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2016

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10.1140/epjc/s10052-015-3823-9

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Springer Nature
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ATLAS Collaboration. 2016. “Searches for Scalar Leptoquarks in pp Collisions at √s = 8 TeV With the ATLAS Detector.” The European Physical Journal C 76 (1) (January). doi:10.1140/epjc/s10052-015-3823-9.

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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http://nrs.harvard.edu/urn-3:HUL.InstRepos:33470223

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