Measurement of differential Z/γ∗+jet+X cross sections in pp¯ source collisions at s=1.96TeV

D0 Collaboration

    Research output: Contribution to journalArticlepeer-review

    Abstract

    We present new measurements of differential cross sections for Z / γ* (→ μ μ) + jet + X production in a 1 fb-1 data sample collected with the DØ detector in p over(p, ̄) collisions at sqrt(s) = 1.96 TeV. Results include the first measurements differential in the Z / γ* transverse momentum and rapidity, as well as new measurements differential in the leading jet transverse momentum and rapidity. Next-to-leading order perturbative QCD predictions are compared to the measurements, and reasonable agreement is observed, except in the region of low Z / γ* transverse momentum. Predictions from two event generators based on matrix elements and parton showers, and one pure parton shower event generator are also compared to the measurements. These show significant overall normalization differences to the data and have varied success in describing the shape of the distributions. © 2008 Elsevier B.V. All rights reserved.
    Original languageEnglish
    Pages (from-to)278-286
    Number of pages8
    JournalPhys. Lett.
    Volume669
    Issue number5
    DOIs
    Publication statusPublished - 27 Nov 2008

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