Response to "Parton distributions need representative sampling"
High Energy Physics - Phenomenology
2022-11-24 v1 High Energy Physics - Experiment
Abstract
We respond to the criticism raised by Courtoy et al., in which the faithfulness of the NNPDF4.0 sampling is questioned and an under-estimate of the NNPDF4.0 PDF uncertainties is implied. We list, correct, and clarify in detail a number of inaccurate or misleading claims that are made in this Reference. Specifically, we explain and explicitly demonstrate why the central value of the PDF distribution does not generally coincide with the absolute minimum of the to the data. We examine some PDFs that have been constructed in the above study and claimed to be "good solutions": we show that similar PDFs are found with the NNPDF methodology, but with very low probability.
Keywords
Cite
@article{arxiv.2211.12961,
title = {Response to "Parton distributions need representative sampling"},
author = {The NNPDF Collaboration and Richard D. Ball and Juan Cruz-Martinez and Luigi Del Debbio and Stefano Forte and Zahari Kassabov and Emanuele R. Nocera and Juan Rojo and Roy Stegeman and Maria Ubiali},
journal= {arXiv preprint arXiv:2211.12961},
year = {2022}
}
Comments
18 pages, 12 figures