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Search for a W′ or Techni-ρ Decaying into WZ in pp Collisions at √s=7  TeV

Author(s)
Apyan, Aram; Bendavid, Joshua L.; Busza, Wit; Butz, Erik M.; Cali, Ivan Amos; Chan, M.; Gomez-Ceballos, Guillelmo; Goncharov, Maxim; Hahn, Kristian Allan; Kim, Y.; Klute, Markus; Krajczar, Krisztian F.; 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; Wolf, Roger; Xie, Si; Yang, Mingming; Bauer, Gerry P; Dutta, Valentina; Luckey Jr, P David; Roland, Christof E; Roland, Gunther M; Rudolph, Matthew Scott; Stoeckli, Fabian; Sumorok, Konstanty C; ... Show more Show less
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Abstract
A search is performed in pp collisions at √s=7  TeV for exotic particles decaying via WZ to final states with electrons and muons. The data sample corresponds to an integrated luminosity of approximately 5  fb[superscript -1]. No significant excess is observed in the data above the expected standard model background. Upper bounds at 95% confidence level are set on the production cross section of the W′ boson described by the sequential standard model and on the W′ WZ coupling. W′ bosons with masses below 1143 GeV are excluded. Limits are also set in the context of low-scale technicolor models, under a range of assumptions concerning the model parameters.
Date issued
2012-10
URI
http://hdl.handle.net/1721.1/76280
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
Chatrchyan, S. et al. “Search for a W^{′} or Techni-ρ Decaying into WZ in Pp Collisions at Sqrt[s]=7  TeV.” Physical Review Letters 109.14 (2012).
Version: Final published version
ISSN
0031-9007
1079-7114

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