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Search for pair production of first or second generation leptoquarks in proton-proton collisions at [sqrt]s=7  TeV using the ATLAS detector at the LHC

Author(s)
Taylor, Frank E.
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Alternative title
Search for pair production of first or second generation leptoquarks in proton-proton collisions at √s=7  TeV using the ATLAS detector at the LHC
Terms of use
Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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Abstract
This paper describes searches for the pair production of first or second generation scalar leptoquarks using 35  pb-1 of proton-proton collision data recorded by the ATLAS detector at [sqrt]s=7  TeV. Leptoquarks are searched in events with two oppositely-charged muons or electrons and at least two jets, and in events with one muon or electron, missing transverse momentum and at least two jets. After event selection, the observed yields are consistent with the predicted backgrounds. Leptoquark production is excluded at the 95% CL for masses MLQ<376 (319) GeV and MLQ<422 (362) GeV for first and second generation scalar leptoquarks, respectively, when assuming the branching fraction of a leptoquark to a charged lepton is equal to 1.0 (0.5).
Date issued
2011-06
URI
http://hdl.handle.net/1721.1/65155
Department
Massachusetts Institute of Technology. Department of Physics
Journal
Physical Review D
Publisher
American Physical Society
Citation
G. Aad et al. (ATLAS Collaboration) "Search for pair production of first or second generation leptoquarks in proton-proton collisions at √s=7  TeV using the ATLAS detector at the LHC." Physics Review D, 83.11 : 112006 (2011) © 2011 CERN, for the ATLAS Collaboration.
Version: Final published version
ISSN
1550-7998
1550-2368

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