TL;DR
The paper introduces the NNPDF2.1 NLO parton distribution functions, highlighting their features, impact on LHC observables, and recent progress towards NNLO sets with considerations for heavy quark effects.
Contribution
It presents the NNPDF2.1 NLO set with heavy quark effects and discusses implications for LHC, also reviewing progress towards NNLO PDFs and their impact on Higgs cross sections.
Findings
NNPDF2.1 NLO set includes heavy quark mass effects.
Implications for LHC observables are analyzed.
Progress towards NNLO PDFs impacts Higgs cross section predictions.
Abstract
We discuss the main features of the recent NNPDF2.1 NLO set, a determination of parton distributions from a global set of hard scattering data using the NNPDF methodology including heavy quark mass effects. We present the implications for LHC observables of this new PDF set. Then we briefly review recent NNPDF progress towards NNLO sets, and in particular the impact of the treatment of fixed target NMC data on NNLO Higgs cross sections.
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