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Search for tt¯ resonances in highly boosted lepton+jets and fully hadronic final states in proton-proton collisions at s√=13 TeV
CMS Collaboration
CMS Collaboration
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Abstract
A search for the production of heavy resonances decaying into top quark-antiquark pairs is presented. The analysis is performed in the lepton+jets and fully hadronic channels using data collected in proton-proton collisions at s√=13 TeV using the CMS detector at the LHC, corresponding to an integrated luminosity of 2.6 fb−1. The selection is optimized for massive resonances, where the top quarks have large Lorentz boosts. No evidence for resonant tt¯ production is found in the data, and upper limits on the production cross section of heavy resonances are set. The exclusion limits for resonances with masses above 2 TeV are significantly improved compared to those of previous analyses at s√=8 TeV.
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Date
2017-07-03
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Springer Verlag
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Keywords
Beyond Standard Model, Hadron-Hadron scattering (experiments)
Citation
The CMS collaboration, Sirunyan, A.M., Tumasyan, A. et al. J. High Energ. Phys. (2017) 2017: 1. https://doi.org/10.1007/JHEP07(2017)001