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    Measurement of the Shape of the Boson-Transverse Momentum Distribution in pp-bar→Z/γ*→e(+)e(−)+X Events Produced at s√=1.96  TeV

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    Baringer_3-11-2008.pdf (201.7Kb)
    Issue Date
    2008-03-11
    Author
    Baringer, Philip S.
    Bean, Alice
    Hensel, Carsten
    Moulik, Tania
    Wilson, Graham Wallace
    Abazov, V. M.
    Abbott, B.
    Abolins, M.
    Acharya, B. S.
    Adams, M.
    Publisher
    American Physical Society
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
    Metadata
    Show full item record
    Abstract
    We present a measurement of the shape of the Z/γ* boson transverse momentum (q(T)) distribution in pp-bar→Z/γ*→e(+)e(−)+X events at a center-of-mass energy of 1.96 TeV using 0.98  fb(−1) of data collected with the D0 detector at the Fermilab Tevatron collider. The data are found to be consistent with the resummation prediction at low q(T), but above the perturbative QCD calculation in the region of qT>30  GeV/c. Using events with q(T)<30  GeV/c, we extract the value of g(2), one of the nonperturbative parameters for the resummation calculation. Data at large boson rapidity y are compared with the prediction of resummation and with alternative models that employ a resummed form factor with modifications in the small Bjorken x region of the proton wave function.
    Description
    This is the publisher's version, also available electronically from http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.100.102002.
    URI
    http://hdl.handle.net/1808/15484
    DOI
    https://doi.org/10.1103/PhysRevLett.100.102002
    ISSN
    0031-9007
    Collections
    • Physics & Astronomy Scholarly Works [1744]
    Citation
    V. M. Abazov et al. (The D0 Collaboration). (2008). "Measurement of the Shape of the Boson-Transverse Momentum Distribution in pp-bar→Z/γ*→e(+)e(−)+X Events Produced at s√=1.96  TeV." Physical Review Letters, 100(10):102002. http://dx.doi.org/10.1103/PhysRevLett.100.102002

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    KU Libraries
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    KU Libraries
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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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