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The Dijet Mass Spectrum and a Search for Quark Compositeness in bar{p}p Collisions at sqrt{s} = 1.8 TeV

Collaboration, D; Abbott, B; (1999) The Dijet Mass Spectrum and a Search for Quark Compositeness in bar{p}p Collisions at sqrt{s} = 1.8 TeV. Physical Review Letters , 82 (12) 2457 - 2462. 10.1103/PhysRevLett.82.2457. Green open access

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Abstract

Using the DZero detector at the 1.8 TeV pbarp Fermilab Tevatron collider, we have measured the inclusive dijet mass spectrum in the central pseudorapidity region |eta_jet| < 1.0 for dijet masses greater than 200 Gev/c^2. We have also measured the ratio of spectra sigma(|eta_jet| < 0.5)/sigma(0.5 < |eta_jet| < 1.0). The order alpha_s^3 QCD predictions are in good agreement with the data and we rule out models of quark compositeness with a contact interaction scale < 2.4 TeV at the 95% confidence level.

Type: Article
Title: The Dijet Mass Spectrum and a Search for Quark Compositeness in bar{p}p Collisions at sqrt{s} = 1.8 TeV
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/PhysRevLett.82.2457
Publisher version: http://dx.doi.org/10.1103/PhysRevLett.82.2457
Language: English
Additional information: © 1999 The American Physical Society. 11 pages, 4 figures, 2 tables, submitted to Phys. Rev. Lett
URI: https://discovery.ucl.ac.uk/id/eprint/1374183
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