Please use this identifier to cite or link to this item: http://idr.niser.ac.in:8080/jspui/handle/123456789/1058
Title: Searches for new physics using the 𝑡⁢ ‾ 𝑡 invariant mass distribution in pp collisions at √s=8 TeV
Authors: Swain, Sanjay Kumar
Issue Date: 22-Nov-2013
Publisher: Physical Review Letters
Citation: Chatrchyan, S., Khachatryan, V., Sirunyan, A. M., Tumasyan, A., Adam, W., Bergauer, T., … Swanson, J. (2013). Searches for new physics using thett¯invariant mass distribution inppcollisions ats=8 TeV. Physical Review Letters, 111(21).
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-1, were collected with the CMS detector at the LHC. The observed tt̄ 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.
URI: https://doi.org/10.1103/PhysRevLett.111.211804
http://idr.niser.ac.in:8080/jspui/handle/123456789/1058
Appears in Collections:Journal Papers

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