Year: 2024
Type: conference-paper
Abstract: We review the recent efforts in the NNPDF Collaboration towards a new global extraction of polarized parton distributions functions (pPDF). Polarized PDFs are highly relevant for the in- terpretation of current and future polarized high-energy experiments, including the upcoming Electron-Ion Collider (EIC). We present a recent study of the role played by heavy quark effects in polarized DIS, where we apply the FONLL general-mass variable-flavour-number scheme for the first time in a polarized setup and demonstrate the significant impact of charm mass corrections, specifically for the polarized gluon distribution. We show preliminary results (DIS-only) of this new pPDF release, NNPDFpol2.0, based on the NNPDF4.0 fitting machinery and the associated new theory prediction pipeline.
DOI: 10.22323/1.469.0204
Author: Felix Hekhorn
Institution: University of Jyväskylä
Language: English
Subfield: Nuclear and High Energy Physics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: gold
Funder: Academy of Finland
OpenAlex ID: W4405847923