Search for quark contact interactions in dijet angular distributions in pp collisions at √s = 7 TeV measured with the ATLAS detector
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Aad-2011-Search for quark con.pdf
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Author(s)
Taylor, Frank E.
Date Issued
October 2010
Journal
Physics Letters B
Publisher
Elsevier
Citation
Aad, G., B. Abbott, J. Abdallah, A.A. Abdelalim, A. Abdesselam, O. Abdinov, B. Abi, et al. “Search for Quark Contact Interactions in Dijet Angular Distributions in Pp Collisions at √s = 7 TeV Measured with the ATLAS Detector.” Physics Letters B 694, no. 4–5 (January 2011): 327–345.
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Final published version
Abstract
Dijet angular distributions from the first LHC pp collisions at center-of-mass energy √s = 7 TeV have been measured with the ATLAS detector. The dataset used for this analysis represents an integrated luminosity of 3.1 pb−1. Dijet χ distributions and centrality ratios have been measured up to dijet masses of 2.8 TeV, and found to be in good agreement with Standard Model predictions. Analysis of the χ distributions excludes quark contact interactions with a compositeness scale Λ below 3.4 TeV, at 95% confidence level, significantly exceeding previous limits.
MIT Department
Massachusetts Institute of Technology. Department of Physics
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DOI of Published Version
https://doi.org/10.1016/j.physletb.2010.10.021
