NLO forward jet vertex
Francesco Caporale, Dmitry Yu. Ivanov, Beatrice Murdaca, Alessandro, Papa, Amedeo Perri
TL;DR
This paper computes the NLO jet vertex for Mueller-Navelet jet production in proton-proton collisions using the BFKL approach, ensuring infrared divergence cancellation and comparing with prior results.
Contribution
It provides a next-to-leading order calculation of the jet vertex for Mueller-Navelet jets, including quark and gluon cases, with explicit divergence cancellation and comparison to earlier work.
Findings
Infrared divergences cancel after renormalization.
Derived explicit expressions for quark and gluon initiated vertices.
Comparison shows consistency with previous calculations.
Abstract
We calculate in the BFKL approach the jet vertex relevant for the production of Mueller-Navelet jets in proton-proton collisions. We consider both cases of incoming quark and gluon and show explicitly that all infrared divergences cancel when renormalized parton densities are considered. Finally we compare our expression for the vertex with a previous calculation [1].
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