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      Towards parton distributions with fitted charm

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          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.

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          Author and article information

          Journal
          2015-09-15
          Article
          1509.04432
          491bf7cd-9186-4ef2-bba9-4481611e6703

          http://arxiv.org/licenses/nonexclusive-distrib/1.0/

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          4 pages, 1 figure, to appear in the proceedings of the 18th High-Energy Physics International Conference in Quantum Chromodynamics (QCD 15), 29 Jun-03 Jul 2015, Montpellier
          hep-ph

          High energy & Particle physics
          High energy & Particle physics

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