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Identification techniques for highly boosted W bosons that decay into hadrons

Author(s)
Apyan, Aram; Busza, Wit; Cali, Ivan Amos; Chan, M.; Di Matteo, Leonardo; Gomez-Ceballos, Guillelmo; Goncharov, Maxim; Gulhan, Doga Can; Klute, Markus; Lai, Yue Shi; Ma, Teng; Paus, Christoph M. E.; Ralph, Duncan Kelley; Stephans, George S. F.; Velicanu, Dragos Alexandru; Veverka, Jan; Wyslouch, Boleslaw; Zanetti, Marco; Lee, Yen-Jie; Luckey Jr, P David; Roland, Christof E; Sumorok, Konstanty C; Yang, Mingming; Wyslouch, Victoria; Barbieri, Richard Alexander; Dutta, Valentina; Levin, Andrew Michael; Roland, Gunther M; Stoeckli, Fabian; Bauer, Gerry P; ... Show more Show less
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Abstract
In searches for new physics in the energy regime of the LHC, it is becoming increasingly important to distinguish single-jet objects that originate from the merging of the decay products of W bosons produced with high transverse momenta from jets initiated by single partons. Algorithms are defined to identify such W jets for different signals of interest, using techniques that are also applicable to other decays of bosons to hadrons that result in a single jet, such as those from highly boosted Z and Higgs bosons. The efficiency for tagging W jets is measured in data collected with the CMS detector at a center-of-mass energy of 8 TeV, corresponding to an integrated luminosity of 19.7 fb[superscript −1]. The performance of W tagging in data is compared with predictions from several Monte Carlo simulators.
Date issued
2014-12
URI
http://hdl.handle.net/1721.1/92781
Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear Science; Massachusetts Institute of Technology. School of Science
Journal
Journal of High Energy Physics
Publisher
Springer-Verlag
Citation
Khachatryan, V., A. M. Sirunyan, A. Tumasyan, W. Adam, T. Bergauer, M. Dragicevic, J. Erö, et al. “Identification Techniques for Highly Boosted W Bosons That Decay into Hadrons.” J. High Energ. Phys. 2014, no. 12 (December 2014).
Version: Final published version
ISSN
1029-8479
1126-6708

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