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Scientific article
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English

Search for quark contact interactions in dijet angular distributions in pp collisions at √s=7 TeV measured with the ATLAS detector

ContributorsATLAS Collaboration
Published inPhysics letters. B, vol. 694, no. 4-5, p. 327-345
Publication date2011
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−13.1 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.

Keywords
  • ATLAS
  • LHC
  • 7 TeV
  • Dijets angular distributions
  • Quark compositeness
  • Contact interactions
Citation (ISO format)
ATLAS Collaboration. Search for quark contact interactions in dijet angular distributions in <em>pp</em> collisions at √s=7 TeV measured with the ATLAS detector. In: Physics letters. B, 2011, vol. 694, n° 4-5, p. 327–345. doi: 10.1016/j.physletb.2010.10.021
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Article (Published version)
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ISSN of the journal0370-2693
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