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Search for contact interactions using the inclusive jet pT spectrum in pp collisions at sqrt(s)=7 TeV

Abstract : Results are reported of a search for a deviation in the jet production cross section from the prediction of perturbative quantum chromodynamics at next-to-leading order. The search is conducted using a 7 TeV proton-proton data sample corresponding to an integrated luminosity of 5.0 inverse femtobarns, collected with the Compact Muon Solenoid detector at the Large Hadron Collider. A deviation could arise from interactions characterized by a mass scale Lambda too high to be probed directly at the LHC. Such phenomena can be modeled as contact interactions. No evidence of a deviation is found. Using the CLs criterion, lower limits are set on Lambda of 9.9 TeV and 14.3 TeV at 95% confidence level for models with destructive and constructive interference, respectively. Limits obtained with a Bayesian method are also reported.
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http://hal.in2p3.fr/in2p3-00780037
Contributor : Sylvie Flores <>
Submitted on : Wednesday, January 23, 2013 - 7:36:34 AM
Last modification on : Friday, June 5, 2020 - 10:52:15 AM

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S. Chatrchyan, M. Besançon, S. Choudhury, M. Dejardin, D. Denegri, et al.. Search for contact interactions using the inclusive jet pT spectrum in pp collisions at sqrt(s)=7 TeV. Physical Review D, American Physical Society, 2013, 87, pp.052017. ⟨10.1103/PhysRevD.87.052017⟩. ⟨in2p3-00780037⟩

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