Loops in the gluon emission amplitude: reggeization from the Glauber scattering
M.A.Braun
TL;DR
This paper demonstrates that loop corrections to the gluon emission amplitude in Glauber scattering align with gluon reggeization effects in the BFKL framework, linking virtual corrections to reggeized gluon exchange.
Contribution
It reveals that loop corrections in Glauber scattering correspond to gluon reggeization, providing a unified understanding of these phenomena in high-energy QCD.
Findings
Loop corrections match reggeization effects after renormalization.
Gluon emission amplitude corrections are consistent with BFKL reggeization.
The work bridges Glauber scattering and BFKL approaches.
Abstract
It is shown that in the Glauber scattering of a fast quark in the external field loop corrections to the gluon emission amplitude due to virtual softer gluon after renormalization coincide with a correction due to reggeization of the exchanged gluon in the BFKL picture.
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