Towards parton distributions with fitted charm

P. Groth-Merrild, L. Rottoli, R. D. Ball, V. Bertone, S. Carrazza, S. Forte, P. Groth-Merrild, A. Guffanti, N. P. Hartland, Z. Kassabov, J. I. Latorre, J. Rojo, L. Rottoli, M. Ubiali

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Modern parton distribution function fits require an accurate treatment of heavy quark mass effects. In this contribution, we discuss how the FONLL general-mass variable flavour number scheme can be extended to allow for the possibility of a fitted charm PDF. We present a first estimate of the impact of a fitted charm contribution in the FONLL structure functions, and we discuss the development towards including a fitted charm PDF in the NNPDF framework.

Original languageEnglish
Title of host publication18th Montpellier International Conference on Quantum Chromodynamics (QCD 15)
Subtitle of host publicationCNRS & Universite de Montpellier II, Place Eugene Bataillon, 34095-Montpellier Cedex 05, France
EditorsStephan Narison
Pages23-26
Number of pages4
Volume270-272
DOIs
Publication statusPublished - 1 Jan 2016

Keywords

  • DIS
  • Fitted Charm
  • Intrinsic Charm
  • NNPDF
  • NNPDF3.0
  • Parton Distribution Functions
  • QCD

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