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Measurements of jet multiplicity and differential production cross sections of Z+jets events in proton-proton collisions at sqrt(s)=7 TeV

Abstract : Measurements of differential cross sections are presented for the production of a Z boson and at least one hadronic jet in proton-proton collisions at sqrt(s) = 7 TeV, recorded by the CMS detector, using a data sample corresponding to an integrated luminosity of 4.9 inverse femtobarns. The jet multiplicity distribution is measured for up to six jets. The differential cross sections are measured as a function of jet transverse momentum and pseudorapidity for the four highest transverse momentum jets. The distribution of the scalar sum of jet transverse momenta is also measured as a function of the jet multiplicity. The measurements are compared with theoretical predictions at leading and next-to-leading order in perturbative QCD.
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http://hal.in2p3.fr/in2p3-01056274
Contributor : Dominique Girod <>
Submitted on : Monday, August 18, 2014 - 2:04:31 PM
Last modification on : Wednesday, November 25, 2020 - 4:10:43 PM

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V. Khachatryan, M. Besancon, F. Couderc, M. Dejardin, D. Denegri, et al.. Measurements of jet multiplicity and differential production cross sections of Z+jets events in proton-proton collisions at sqrt(s)=7 TeV. Physical Review D, American Physical Society, 2015, 91 (5), pp.052008. ⟨10.1103/PhysRevD.91.052008⟩. ⟨in2p3-01056274⟩

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