Search for new physics in the dijet mass distribution using 1 fb[superscript −1] of pp collision data at √s = 7 TeV collected by the ATLAS detector
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Aad-2012-Search for new physi.pdf
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1.05 MB
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e8331e95a3a0265fd413e93366c46c83
Author(s)
Taylor, Frank E.
Date Issued
November 2011
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 New Physics in the Dijet Mass Distribution Using 1 Fb−1 of Pp Collision Data at √s = 7 TeV Collected by the ATLAS Detector.” Physics Letters B 708, no. 1–2 (February 2012): 37–54. © 2012 CERN
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Final published version
Abstract
Invariant mass distributions of jet pairs (dijets) produced in LHC proton–proton collisions at a centre-of-mass energy √s = 7 TeV have been studied using a data set corresponding to an integrated luminosity of 1.0 fb[superscript -1] recorded in 2011 by ATLAS. Dijet masses up to ∼4 TeV are observed in the data, and no evidence of resonance production over background is found. Limits are set at 95% C.L. for several new physics hypotheses: excited quarks are excluded for masses below 299 TeV, axigluons are excluded for masses below 3.32 TeV, and colour octet scalar resonances are excluded for masses below 1.92 TeV.
MIT Department
Massachusetts Institute of Technology. Department of Physics
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DOI of Published Version
https://doi.org/10.1016/j.physletb.2012.01.035
