EPJ Web Conf.
Volume 206, 2019XLVIII International Symposium on Multiparticle Dynamics (ISMD 2018)
|Number of page(s)||10|
|Section||Proton Structure, Small and Large-x Physics|
|Published online||19 April 2019|
Strong Interactions in the Regge Limit and Infrared Region
Departament of Physics, Santa Maria University, Avda España 1680, Valparaiso, Chile
2 II Institut für Theoretishe Physik, Universität Hamburg, D-22761 Hamburg. Germany
3 INFN Sezione di Bologna, DIFA, via Irnerio 46, I-40126 Bologna, Italia
Published online: 19 April 2019
In this talk, we encode the perturbative BFKL leading logarithmic resummation, relevant for the Regge limit behavior of QCD scattering amplitudes, in the IR regulated effective action, which satisfies exact functional renormalization group equations. The goal is to use this framework to study, in the high-energy limit and at larger transverse distances the transition to a much simpler effective local Reggeon field theory, whose critical properties were recently investigated in the same framework. We perform a numerical analysis of the spectrum of the BFKL Pomeron by the introduction of a Wilsonian infrared regulator to understand the properties of the leading poles (Pomeron states) contributing to the high-energy scattering
© The Authors, published by EDP Sciences, 2019
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