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Intrinsic charm in a matched general-mass scheme

Research output: Contribution to journalArticlepeer-review

  • Richard D. Ball
  • Valerio Bertone
  • Marco Bonvini
  • Stefano Forte
  • Patrick Groth Merrild
  • Juan Rojo
  • Luca Rottoli

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Original languageEnglish
JournalPhysics Letters B
Publication statusPublished - 8 Jan 2016


The FONLL general-mass variable-flavour number scheme provides a framework for the matching of a calculation in which a heavy quark is treated as a massless parton to one in which the mass dependence is retained throughout. We describe how the usual formulation of FONLL can be extended in such a way that the heavy quark parton distribution functions are freely parameterized at some initial scale, rather than being generated entirely perturbatively. We specifically consider the case of deep-inelastic scattering, in view of applications to PDF determination, and the possible impact of a fitted charm quark distribution on $F_2^c$ is assessed.

    Research areas

  • hep-ph

ID: 31216345