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Search for supersymmetry in final states with a single lepton, b-quark jets, and missing transverse energy in proton-proton collisions at √s=7  TeV

Author(s)
Apyan, Aram; Bendavid, Joshua L.; Busza, Wit; Butz, Erik M.; Cali, Ivan Amos; Chan, M.; Dutta, Valentina; Gomez-Ceballos, Guillelmo; Goncharov, Maxim; Hahn, Kristian Allan; Kim, Y.; Klute, Markus; Krajczar, Krisztian F.; Ma, Teng; Nahn, Steven; Paus, Christoph M. E.; Ralph, Duncan Kelley; Stephans, George S. F.; Sung, Kevin Kai Hong; Velicanu, Dragos Alexandru; Wenger, Edward Allen; Wyslouch, Boleslaw; Yilmaz, Yetkin; Yoon, A. S.; Zanetti, Marco; Luckey, P. David, Jr.; Luckey Jr, P David; Roland, Gunther M; Sumorok, Konstanty C; Wolf, Roger; Yang, Mingming; Bauer, Gerry P; Roland, Christof E; Rudolph, Matthew Scott; Stoeckli, Fabian; Yoon, A. S.; ... Show more Show less
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Abstract
A search motivated by supersymmetric models with light top squarks is presented using proton-proton collision data recorded with the CMS detector at a center-of-mass energy of √s=7  TeV during 2011, corresponding to an integrated luminosity of 4.98  fb[superscript -1]. The analysis is based on final states with a single lepton, b-quark jets, and missing transverse energy. Standard model yields are predicted from data using two different approaches. The observed event numbers are found to be compatible with these predictions. Results are interpreted in the context of the constrained minimal supersymmetric standard model and of a simplified model with four top quarks in the final state.
Date issued
2013-03
URI
http://hdl.handle.net/1721.1/81238
Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear Science
Journal
Physical Review D
Publisher
American Physical Society
Citation
Chatrchyan, S., V. Khachatryan, A. M. Sirunyan, A. Tumasyan, W. Adam, E. Aguilo, T. Bergauer, et al. Search for Supersymmetry in Final States with a Single Lepton, B-quark Jets, and Missing Transverse Energy in Proton-proton Collisions at sqrt[s]=7  TeV. Physical Review D 87, no. 5 (March 2013). © 2013 CERN, for the CMS Collaboration
Version: Final published version
ISSN
1550-7998
1550-2368

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