On the impact of NMC data on NLO and NNLO parton distributions and Higgs production at the Tevatron and the LHC

Richard D. Ball, Valerio Bertone, Francesco Cerutti, Luigi Del Debbio, Stefano Forte, Alberto Guffanti, Jose I. Latorre, Juan Rojo, Maria Ubiali

Research output: Contribution to journalArticlepeer-review

Abstract

We discuss the impact of the treatment of NMC structure function data on parton distributions in the context of the NNPDF2.1 global PDF determination at NLO and NNLO. We show that the way these data are treated and even their complete removal has no effect on parton distributions at NLO, and at NNLO an effect which is below one sigma at NNLO. In particular, the Higgs production cross-section in the gluon fusion channel is very stable.

Original languageEnglish
Pages (from-to)36-42
Number of pages7
JournalPhysics Letters B
Volume704
Issue number1-2
DOIs
Publication statusPublished - 5 Oct 2011

Keywords

  • DEUTERON STRUCTURE FUNCTIONS
  • SCATTERING CROSS-SECTIONS
  • PRECISION DETERMINATION
  • GLOBAL ANALYSIS
  • PROTON

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