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Search for Pair Production of Second-Generation Scalar Leptoquarks in pp Collisions at [sqrt]s=7  TeV

Author(s)
Alver, Burak Han; Bendavid, Joshua L.; Busza, Wit; Butz, Erik M.; Cali, Ivan Amos; Chan, M.; Dutta, Valentina; Everaerts, Pieter Bruno Bart; Gomez-Ceballos, Guillelmo; Goncharov, Maxim; Hahn, Kristian Allan; Kim, Y.; Klute, Markus; Ma, Teng; Nahn, Steven; Paus, Christoph M. E.; Ralph, Duncan Kelley; Stephans, George S. F.; Sung, Kevin Kai Hong; Wenger, Edward Allen; Xie, Si; Wang, M.; Yilmaz, Yetkin; Yoon, A. S.; Zanetti, Marco; Roland, Christof E; Roland, Gunther M; Rudolph, Matthew Scott; Sumorok, Konstanty C; Bauer, Gerry P; Harris, Philip Coleman; Lee, Yen-Jie; Li, W.; Loizides, Constantinos; Luckey Jr, P David; ... Show more Show less
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Alternative title
Search for Pair Production of Second-Generation Scalar Leptoquarks in pp Collisions at √s=7  TeV
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
A search for pair production of second-generation scalar leptoquarks in the final state with two muons and two jets is performed using proton-proton collision data at [sqrt]s=7  TeV collected by the CMS detector at the LHC. The data sample used corresponds to an integrated luminosity of 34  pb[superscript -1]. The number of observed events is in good agreement with the predictions from the standard model processes. An upper limit is set on the second-generation leptoquark cross section times beta[superscript2 as a function of the leptoquark mass, and leptoquarks with masses below 394 GeV are excluded at a 95% confidence level for beta=1, where beta is the leptoquark branching fraction into a muon and a quark. These limits are the most stringent to date.
Date issued
2011-05
URI
http://hdl.handle.net/1721.1/67252
Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear Science
Journal
Physical Review Letters
Publisher
American Physical Society
Citation
V. Khachatryan et al. (CMS Collaboration). "Search for Pair Production of Second-Generation Scalar Leptoquarks in pp Collisions at [sqrt]s=7  TeV." Phys. Rev. Lett. 106, 201803 (2011) [15 pages] © 2011 CERN, for the CMS Collaboration.
Version: Final published version
ISSN
0031-9007

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