Search for New Physics with Same-Sign Isolated Dilepton Events with Jets and Missing Transverse Energy
Author(s)
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; Li, W.; 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 Jr, P David; Roland, Gunther M; Sumorok, Konstanty C; Wolf, Roger; Xie, Si; Bauer, Gerry P; Roland, Christof E; Rudolph, Matthew Scott; Stoeckli, Fabian; Yang, Mingming; ... Show more Show less![Thumbnail](/bitstream/handle/1721.1/74062/Chatrchyan-2012-Search%20for%20New%20Physics%20with%20Same-Sign%20Isolated.pdf.jpg?sequence=6&isAllowed=y)
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A search for new physics is performed in events with two same-sign isolated leptons, hadronic jets, and missing transverse energy in the final state. The analysis is based on a data sample corresponding to an integrated luminosity of 4.98 fb[superscript -1] produced in pp collisions at a center-of-mass energy of 7 TeV collected by the CMS experiment at the LHC. This constitutes a factor of 140 increase in integrated luminosity over previously published results. The observed yields agree with the standard model predictions and thus no evidence for new physics is found. The observations are used to set upper limits on possible new physics contributions and to constrain supersymmetric models. To facilitate the interpretation of the data in a broader range of new physics scenarios, information on the event selection, detector response, and efficiencies is provided.
Date issued
2012-08Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear ScienceJournal
Physical Review Letters
Publisher
American Physical Society
Citation
Chatrchyan, S. et al. “Search for New Physics with Same-Sign Isolated Dilepton Events with Jets and Missing Transverse Energy.” Physical Review Letters 109.7 (2012). © 2012 CERN, for the CMS Collaboration
Version: Final published version
ISSN
0031-9007
1079-7114