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    Constraints on parton distribution functions and extraction of the strong coupling constant from the inclusive jet cross section in pp collisions at √ s = 7TeV

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    BeanA_2015.pdf (4.064Mb)
    Issue Date
    2015-06-26
    Author
    Baringer, Philip S.
    Bean, Alice
    Benelli, Gabriele
    Bruner, Christopher
    Murray, Michael J.
    Sanders, Stephen J.
    Wang, Quan
    CMS Collaboration
    Publisher
    Springer Verlag
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
    Rights
    © CERN for the benefit of the CMS collaboration 2015. This article is published with open access at Springerlink.com
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    Abstract
    The inclusive jet cross section for proton–proton collisions at a centre-of-mass energy of 7TeV was measured by the CMS Collaboration at the LHC with data corresponding to an integrated luminosity of 5.0fb−1. The measurement covers a phase space up to 2TeV in jet transverse momentum and 2.5 in absolute jet rapidity. The statistical precision of these data leads to stringent constraints on the parton distribution functions of the proton. The data provide important input for the gluon density at high fractions of the proton momentum and for the strong coupling constant at large energy scales. Using predictions from perturbative quantum chromodynamics at next-to-leading order, complemented with electroweak corrections, the constraining power of these data is investigated and the strong coupling constant at the Z boson mass MZ is determined to be αS(MZ)=0.1185±0.0019(exp)+0.0060−0.0037(theo), which is in agreement with the world average.
    URI
    http://hdl.handle.net/1808/21862
    DOI
    https://doi.org/10.1140/epjc/s10052-015-3499-1
    Collections
    • Physics and Astronomy Scholarly Works [1605]
    Citation
    Collaboration, C. M. S. (2015). Constraints on parton distribution functions and extraction of the strong coupling constant from the inclusive jet cross section in pp collisions at. Eur. Phys. J. C, 75, 288.

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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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