Eur. Phys. J. C (2010) 66: 147-161
https://doi.org/10.1140/epjc/s10052-010-1235-4

Regular Article - Theoretical Physics

Loops in the gluon emission amplitude: reggeization from the eikonal scattering

Department of High-Energy Physics, University of St. Petersburg, 198904, St. Petersburg, Russia

^* e-mail: braun1@pobox.spbu.ru

Received: 28 August 2009
Revised: 12 November 2009
Published online: 21 January 2010

Abstract

It is shown that in the eikonal 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.