Fitting EMC structure functions with intrinsic charm
Luca Rottoli
TL;DR
This study investigates how EMC data influences the charm quark distribution in the proton, finding that the data does not alter the intrinsic charm component within the NNPDF framework.
Contribution
It demonstrates that variations in EMC data treatment do not impact the intrinsic charm component in the proton's parton distribution functions.
Findings
EMC data does not modify the charm PDF
Intrinsic charm component remains unaffected by data treatment variations
Analysis performed within the NNPDF framework
Abstract
A detailed study of the impact of the data collected by the European Muon Collaboration (EMC) on the parton distribution function (PDF) of the charm quark is presented. The analysis is performed in the NNPDF framework, and the charm PDF is freely parametrized on equal footing as light quark and gluon distributions. We find that variations in the treatment of EMC data do not modify the charm PDF and do not affect our previous conclusion on the presence of an intrinsic component in the charm PDF.
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