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Title: Search for $$\mathrm{ t \bar{t} }$$ resonances in highly-boosted lepton+jets and fully hadronic final states in proton-proton collisions at $$ \sqrt{s} = $$ 13 TeV

Here, 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 ttbar 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.
Authors:
 [1]
  1. Yerevan Physics Inst. (YerPhI), Yerevan (Armenia). et al.
Publication Date:
Report Number(s):
FERMILAB-PUB-17-101-CMS; CMS-B2G-16-015; CERN-EP-2017-049; arXiv:1704.03366
Journal ID: ISSN 1029-8479; 1591147
Grant/Contract Number:
AC02-07CH11359
Type:
Accepted Manuscript
Journal Name:
Journal of High Energy Physics (Online)
Additional Journal Information:
Journal Name: Journal of High Energy Physics (Online); Journal Volume: 2017; Journal Issue: 07; Journal ID: ISSN 1029-8479
Publisher:
Springer Berlin
Research Org:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States); Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
Contributing Orgs:
The CMS Collaboration
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
OSTI Identifier:
1352004

Sirunyan, Albert M. Search for $\mathrm{ t \bar{t} }$ resonances in highly-boosted lepton+jets and fully hadronic final states in proton-proton collisions at $ \sqrt{s} = $ 13 TeV. United States: N. p., Web. doi:10.1007/JHEP07(2017)001.
Sirunyan, Albert M. Search for $\mathrm{ t \bar{t} }$ resonances in highly-boosted lepton+jets and fully hadronic final states in proton-proton collisions at $ \sqrt{s} = $ 13 TeV. United States. doi:10.1007/JHEP07(2017)001.
Sirunyan, Albert M. 2017. "Search for $\mathrm{ t \bar{t} }$ resonances in highly-boosted lepton+jets and fully hadronic final states in proton-proton collisions at $ \sqrt{s} = $ 13 TeV". United States. doi:10.1007/JHEP07(2017)001. https://www.osti.gov/servlets/purl/1352004.
@article{osti_1352004,
title = {Search for $\mathrm{ t \bar{t} }$ resonances in highly-boosted lepton+jets and fully hadronic final states in proton-proton collisions at $ \sqrt{s} = $ 13 TeV},
author = {Sirunyan, Albert M.},
abstractNote = {Here, 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 ttbar 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.},
doi = {10.1007/JHEP07(2017)001},
journal = {Journal of High Energy Physics (Online)},
number = 07,
volume = 2017,
place = {United States},
year = {2017},
month = {7}
}