Mixed QCD-QED corrections to DGLAP equations
High Energy Physics - Phenomenology
2016-11-16 v1
Abstract
We study the mixed effect of QCD and QED corrections to the evolution of parton distribution functions (PDFs). The Altarelli-Parisi splitting functions are extended to one order higher in QED, reaching accuracy. This also involves extending DGLAP equations to include charge separation effects, that are ignored for pure QCD corrections. Besides that, these effects are crucial for the determination of the photon distribution, which plays an increasingly important role in nowadays phenomenological analysis.
Cite
@article{arxiv.1611.04785,
title = {Mixed QCD-QED corrections to DGLAP equations},
author = {German F. R. Sborlini and Daniel de Florian and German Rodrigo},
journal= {arXiv preprint arXiv:1611.04785},
year = {2016}
}
Comments
4 pages, 1 figure. Contribution to the Proceedings of the ICHEP 2016 Conference