articleThe European Physical Journal COct 1, 2017DIAMOND OA

Parton distributions from high-precision collider data

RDRichard D. BallVBValerio BertoneSCStefano CarrazzaLDLuigi Del DebbioSFStefano Forte

University of Edinburgh · Delta Institute for Theoretical Physics · +14 more institutions

PubMed
Indexed inarxivcrossrefdatacitedoajpubmed

Abstract

We present a new set of parton distributions, NNPDF3.1, which updates NNPDF3.0, the first global set of PDFs determined using a methodology validated by a closure test. The update is motivated by recent progress in methodology and available data, and involves both. On the methodological side, we now parametrize and determine the charm PDF alongside the light-quark and gluon ones, thereby increasing from seven to eight the number of independent PDFs. On the data side, we now include the D0 electron and muon W asymmetries from the final Tevatron dataset, the complete LHCb measurements of W and Z production in the forward region at 7 and 8 TeV, and new ATLAS and CMS measurements of inclusive jet and electroweak…

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Topics & keywords

Topics
Keywords
  • Parton
  • Collider
  • Particle physics
  • Physics
  • Quantum chromodynamics
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