articleThe European Physical Journal CMay 1, 2015DIAMOND OA

Parton distributions in the LHC era: MMHT 2014 PDFs

LAL. A. Harland-LangADA. D. MartinPMP. MotylinskiRSR. S. Thorne

University College London · Durham University

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Abstract

We present LO, NLO and NNLO sets of parton distribution functions (PDFs) of the proton determined from global analyses of the available hard scattering data. These MMHT2014 PDFs supersede the ‘MSTW2008’ parton sets, but they are obtained within the same basic framework. We include a variety of new data sets, from the LHC, updated Tevatron data and the HERA combined H1 and ZEUS data on the total and charm structure functions. We also improve the theoretical framework of the previous analysis. These new PDFs are compared to the ‘MSTW2008’ parton sets. In most cases the PDFs, and the predictions, are within one standard deviation of those of MSTW2008. The major changes are the $$u-d$$ valence quark difference at…

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Authors

4
  • LA
    L. A. Harland-LangCorresponding

    University College London

  • AD
    A. D. Martin

    Durham University

  • PM
    P. Motylinski

    University College London

  • RS
    R. S. Thorne

    University College London

Topics & keywords

Topics
Keywords
  • Parton
  • HERA
  • Tevatron
  • Large Hadron Collider
  • Quark
  • Distribution function
  • Deep inelastic scattering
  • Scattering
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