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Measurement of Dijet Angular Distributions at s√=1.96 TeV and Searches for Quark Compositeness and Extra Spatial Dimensions
Baringer, Philip S. Bean, Alice Clutter, Justace Randall McGivern, Carrie Lynne Moulik, Tania Wilson, Graham Wallace
Baringer, Philip S.
Bean, Alice
Clutter, Justace Randall
McGivern, Carrie Lynne
Moulik, Tania
Wilson, Graham Wallace
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Abstract
We present the first measurement of dijet angular distributions in pp-bar collisions at s√=1.96 TeV at the Fermilab Tevatron Collider. The measurement is based on a dataset corresponding to an integrated luminosity of 0.7 fb(−1) collected with the D0 detector. Dijet angular distributions have been measured over a range of dijet masses, from 0.25 TeV to above 1.1 TeV. The data are in good agreement with the predictions of perturbative QCD and are used to constrain new physics models including quark compositeness, large extra dimensions, and TeV(−1) scale extra dimensions. For all models considered, we set the most stringent direct limits to date
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This is the publisher's version, also available electronically from http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.103.191803.
Date
2009-11-05
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American Physical Society
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V. M. Abazov et al. (The D0 Collaboration). (2009). "Measurement of Dijet Angular Distributions at s√=1.96 TeV and Searches for Quark Compositeness and Extra Spatial Dimensions." Physical Review Letters, 103(19):191803. http://dx.doi.org/10.1103/PhysRevLett.103.191803