Searches for new physics using the t[bar over t] invariant mass distribution in pp collisions at √s = 8 TeV
Name
Chatrchyan-2013-Searches for new physics.pdf
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Author(s)
Apyan, Aram
Busza, Wit
Cali, Ivan Amos
Chan, M.
Di Matteo, Leonardo
Gomez-Ceballos, Guillelmo
Goncharov, Maxim
Gulhan, Doga Can
Kim, Y.
Klute, Markus
Date Issued
November 2013
Journal
Physical Review Letters
Publisher
American Physical Society
Citation
Chatrchyan, S. et al. “Searches for new physics using the t[bar over t] invariant mass distribution in pp collisions at √s = 8 TeV.” Physical Review Letters 111.21 (2013): n. pag. © 2013 CERN, for the CMS Collaboration
Version
Final published version
Abstract
Searches for anomalous top quark-antiquark production are presented, based on pp collisions at s√ = 8 TeV. The data, corresponding to an integrated luminosity of 19.7 fb[superscript −1], were collected with the CMS detector at the LHC. The observed t[bar over t] invariant mass spectrum is found to be compatible with the standard model prediction. Limits on the production cross section times branching fraction probe, for the first time, a region of parameter space for certain models of new physics not yet constrained by precision measurements.
MIT Department
Massachusetts Institute of Technology. Department of Physics
Massachusetts Institute of Technology. Laboratory for Nuclear Science
Massachusetts Institute of Technology. School of Science
Terms of Use
Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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DOI of Published Version
https://doi.org/10.1103/PhysRevLett.111.211804
