Higher-order QED effects in hadronic processes
German F. R. Sborlini
TL;DR
This paper discusses advanced quantum electrodynamics (QED) corrections in hadronic collisions, focusing on mixed QCD-QED effects and their impact on parton distribution functions, especially photon distributions.
Contribution
It introduces calculations of mixed QCD-QED one-loop and pure two-loop QED corrections, extending DGLAP equations for improved accuracy in hadronic process modeling.
Findings
Computed mixed QCD-QED one-loop contributions to splitting functions
Calculated pure two-loop QED corrections
Extended DGLAP equations to include new parton distributions
Abstract
In this presentation, we describe the computation of higher-order QED effects relevant in hadronic collisions. In particular, we discuss the calculation of mixed QCD-QED one-loop contributions to the Altarelli-Parisi splittings functions, as well as the pure two-loop QED corrections. We explain how to extend the DGLAP equations to deal with new parton distributions, emphasizing the consequences of the novel corrections in the determination (and evolution) of the photon distributions.
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