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Unbiased polarized PDFs upgraded with new inclusive DIS data

Authors
  • Nocera, Emanuele R.
Type
Preprint
Publication Date
Oct 14, 2015
Submission Date
Oct 14, 2015
Identifiers
DOI: 10.1088/1742-6596/678/1/012030
Source
arXiv
License
Yellow
External links

Abstract

I present a determination of longitudinally-polarized parton distribution functions of the proton from inclusive deep-inelastic scattering data: NNPDFpol1.0+. This determination, based on the NNPDF methodology, upgrades a previous analysis, NNPDFpol1.0, in two respects: first, it includes all new data sets which have recently become available from the COMPASS experiment at CERN and from the E93-009, EG1-DVCS and E06-014 experiments at JLAB; second, it uses the state-of-the-art unpolarized parton set NNPDF3.0 as a baseline for the reconstruction of fitted observables and for the determination of positivity constraints. I discuss the impact of both these new inputs on the uncertainty of parton distribution functions.

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