Search for quark compositeness in dijet angular distributions from pp collisions at √ s = 7 TeV

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Search for quark compositeness in dijet angular distributions from pp collisions at √ s = 7 TeV

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Chatrchyan2012_Article_SearchForQuarkCompositenessInD.pdf

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Date Issued

2012

Journal

Journal of High Energy Physics

Publisher

Springer Science and Business Media LLC

Citation

Chatrchyan, S., et al. "Search for Quark Compositeness in Dijet Angular Distributions from Pp Collisions at vS = 7 Tev the Cms Collaboration." Journal of High Energy Physics 2012 5 (2012).

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Final published version

Abstract

A search for quark compositeness using dijet angular distributions from pp collisions at √s = 7 TeV is presented. The search has been carried out using a data sample corresponding to an integrated luminosity of 2.2 fb -1, recorded by the CMS experiment at the LHC. Normalized dijet angular distributions have been measured for dijet invariant masses from 0.4 TeV to above 3TeV and compared with a variety of contact interaction models, including those which take into account the effects of next-to-leading-order QCD corrections. The data are found to be in agreement with the predictions of perturbative QCD, and lower limits are obtained on the contact interaction scale, ranging from 7.5 up to 14.5 TeV at 95% confidence level. © CERN.

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Creative Commons Attribution 4.0 International license

https://creativecommons.org/licenses/by/4.0/

Persistent DSpace Link

https://hdl.handle.net/1721.1/133880

DOI of Published Version

10.1007/JHEP05(2012)055