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    Measurement of the differential cross section of photon plus jet production in pp-bar collisions at s√=1.96  TeV

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    Issue Date
    2013-10-21
    Author
    Baringer, Philip S.
    Bean, Alice
    Chen, G.
    Clutter, Justace Randall
    Sekaric, Jadranka
    Wilson, Graham Wallace
    Abazov, V. M.
    Abbott, B.
    Acharya, B. S.
    Adams, M.
    Adams, T.
    Agnew, J. P.
    Alexeev, G. D.
    Alkhazov, G.
    Alton, A.
    Publisher
    American Physical Society
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
    Metadata
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    Abstract
    We study the process of associated photon and jet production, pp-bar→γ+jet+X, using 8.7  fb(−1) of integrated luminosity collected by the D0 detector at the Fermilab Tevatron Collider at a center-of-mass energy s√=1.96  TeV. Photons are reconstructed with rapidity |y(γ)|<1.0 or 1.5<|y(γ)|<2.5 and transverse momentum p(γ)(T)>20  GeV. The highest-p(T) jet is required to be in one of four rapidity regions up to |y(jet)|≤3.2. For each rapidity configuration we measure the differential cross sections in p(γ)(T) separately for events with the same sign (y(γ)y(jet(>0) and opposite signs (y(γ)y(jet)≤0) of photon and jet rapidities. We compare the measured triple-differential cross sections, d(3)σ/dp(γ)(T)dy(γ)dy(jet), to next-to-leading order (NLO) perturbative QCD calculations using different sets of parton distribution functions, and to predictions from the sherpa and pythia Monte Carlo event generators. The NLO calculations are found to be in general agreement with the data but do not describe all kinematic regions.
    Description
    This is the publisher's version, also available electronically from http://journals.aps.org/prd/abstract/10.1103/PhysRevD.88.072008.
    URI
    http://hdl.handle.net/1808/15679
    DOI
    https://doi.org/10.1103/PhysRevD.88.072008
    ISSN
    0556-2821
    Collections
    • Physics & Astronomy Scholarly Works [1713]
    Citation
    V. M. Abazov et al. (The D0 Collaboration). (2013). "Measurement of the differential cross section of photon plus jet production in pp-bra collisions at s√=1.96  TeV." Physical Review D, 88(7):072008. http://www.dx.doi.org/10.1103/PhysRevD.88.072008.

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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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