Search for massive resonances decaying into pairs of boosted bosons in semi-leptonic final states at s $$ \sqrt{s} $$ = 8 TeV
Author(s)
Apyan, Aram; Barbieri, Richard Alexander; Busza, Wit; Cali, Ivan Amos; Chan, M.; Di Matteo, Leonardo; Dutta, Valentina; Gomez-Ceballos, Guillelmo; Goncharov, Maxim; Gulhan, Doga Can; Klute, Markus; Lai, Yue Shi; Lee, Yen-Jie; Levin, Andrew Michael; Paus, Christoph M. E.; Ralph, Duncan Kelley; Stephans, George S. F.; Stoeckli, Fabian; Velicanu, Dragos Alexandru; Veverka, Jan; Wyslouch, Boleslaw; Zanetti, Marco; Sumorok, Konstanty C; Yang, Mingming; Wyslouch, Victoria; Bauer, Gerry P; Luckey Jr, P David; Ma, Teng; Roland, Christof E; Roland, Gunther M; ... Show more Show less
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A search for new resonances decaying to WW, ZZ, or WZ is presented. Final states are considered in which one of the vector bosons decays leptonically and the other hadronically. Results are based on data corresponding to an integrated luminosity of 19.7 fb−1 recorded in proton-proton collisions at s√ = 8 TeV with the CMS detector at the CERN LHC. Techniques aiming at identifying jet substructures are used to analyze signal events in which the hadronization products from the decay of highly boosted W or Z bosons are contained within a single reconstructed jet. Upper limits on the production of generic WW, ZZ, or WZ resonances are set as a function of the resonance mass and width. We increase the sensitivity of the analysis by statistically combining the results of this search with a complementary study of the all-hadronic final state. Upper limits at 95% confidence level are set on the bulk graviton production cross section in the range from 700 to 10 fb for resonance masses between 600 and 2500 GeV, respectively. These limits on the bulk graviton model are the most stringent to date in the diboson final state.
Date issued
2014-08Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear ScienceJournal
Journal of High Energy Physics
Publisher
Springer-Verlag Berlin Heidelberg
Citation
Khachatryan, V., A. M. Sirunyan, A. Tumasyan, W. Adam, T. Bergauer, M. Dragicevic, J. Erö, et al. “Search for Massive Resonances Decaying into Pairs of Boosted Bosons in Semi-Leptonic Final States at s $$ \sqrt{s} $$ = 8 TeV.” J. High Energ. Phys. 2014, no. 8 (August 2014).
Version: Final published version
ISSN
1029-8479