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Study of the dijet mass spectrum in pp to W + jets events at sqrt(s)=7 TeV

Abstract : A study is presented of the invariant mass spectrum of the two jets with highest transverse momentum in pp to W+2-jet and W+3-jet events. The data sample corresponds to an integrated luminosity of 5.0 inverse femtobarns collected with the CMS detector at sqrt(s)=7 TeV. No evidence is found for the anomalous structure reported by the CDF Collaboration, and an upper limit of 5.0 pb is established at 95% confidence level on the production cross section for a generic Gaussian signal with mass near 150 GeV. Two theoretical models that predict a dijet resonance near 150 GeV are excluded.
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http://hal.in2p3.fr/in2p3-00724213
Contributor : Dominique Girod <>
Submitted on : Monday, August 20, 2012 - 9:25:17 AM
Last modification on : Wednesday, November 25, 2020 - 4:10:43 PM

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S. Chatrchyan, M. Besancon, S. Choudhury, M. Dejardin, D. Denegri, et al.. Study of the dijet mass spectrum in pp to W + jets events at sqrt(s)=7 TeV. Physical Review Letters, American Physical Society, 2012, 109, pp.251801. ⟨10.1103/PhysRevLett.109.251801⟩. ⟨in2p3-00724213⟩

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