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
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Show full item recordAbstract
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
2011-05Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear ScienceJournal
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