Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/101779
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Type: Journal article
Title: Search for first generation scalar leptoquarks in pp collisions at √s = 7 TeV with the ATLAS detector
Other Titles: Search for first generation scalar leptoquarks in pp collisions at root s = 7 TeV with the ATLAS detector
Author: Aad, G.
ATLAS Collaboration
Citation: Physics Letters B: Nuclear Physics and Particle Physics, 2012; 709(3):158-176
Publisher: Elsevier
Issue Date: 2012
ISSN: 0370-2693
1873-2445
Statement of
Responsibility: 
G. Aad ... P. Jackson ... L. Lee ... A. Petridis ... N. Soni ... M.J. White ... et al. (ATLAS Collaboration)
Abstract: We report a search for first generation scalar leptoquarks using 1.03 fb⁻¹ of proton–proton collisions data produced by the Large Hadron Collider at √s = 7 TeV and recorded by the ATLAS experiment. Leptoquarks are sought via their decay into an electron or neutrino and a quark, producing events with two oppositely charged electrons and at least two jets, or events with an electron, missing transverse momentum and at least two jets. Control data samples are used to validate background predictions from Monte Carlo simulation. In the signal region, the observed event yields are consistent with the background expectations. We exclude at 95% confidence level the production of first generation scalar leptoquark with masses mLQ < 660 (607) GeV when assuming the branching fraction of a leptoquark to a charged lepton is equal to 1.0 (0.5).
Rights: © 2012 CERN. Published by Elsevier B.V. Open access under CC BY-NC-ND license. [https://creativecommons.org/licenses/by-nc-nd/4.0/]
DOI: 10.1016/j.physletb.2012.02.004
Grant ID: ARC
Published version: http://dx.doi.org/10.1016/j.physletb.2012.02.004
Appears in Collections:Aurora harvest 3
Physics publications

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