The impact of heavy quark mass effects in the NNPDF global analysis

J. Rojo , R. D. Ball , V. Bertone , F. Cerutti , L. Del Debbio , S. Forte , A. Guffanti , J. I. Latorre

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M. Ubiali

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classification ✦ hep-ph hep-ex

keywords heavyanalysisquarkbenchmarkeffectsfastkernelfonllglobal

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We discuss the implementation of the FONLL general-mass scheme for heavy quarks in deep-inelastic scattering in the FastKernel framework, used in the NNPDF series of global PDF analysis. We present the general features of FONLL and benchmark the accuracy of its implementation in FastKernel comparing with the Les Houches heavy quark benchmark tables. We then show preliminary results of the NNPDF2.1 analysis, in which heavy quark mass effects are included following the FONLL-A GM scheme.

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The impact of heavy quark mass effects in the NNPDF global analysis

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