Reggeization in Color
Abstract
In the high energy limit, , amplitudes in planar gauge theories Reggeize, with power law behavior governed by the Regge trajectory . Beyond the planar limit this simplicity is violated by "Regge cuts", for which practical organizational principles are still being developed. We use a top-down effective field theory organization based on color projection in the channel and rapidity evolution equations for collinear impact factors, to sum large logarithms for Regge cut contributions. The results are matrix equations which are closed within a given color channel. To illustrate the method we derive in QCD with for the first time a closed 66 evolution equation for the "decupletons" in the Regge color channel, a 22 evolution equation for the "triantapentons" in the color channel, and a scalar evolution equation for the "tetrahexaconton" in the 64 color channel. More broadly, our approach allows us to describe generic Reggeization phenomena in non-planar gauge theories, providing valuable data for the all loop structure of amplitudes beyond the planar limit.
Cite
@article{arxiv.2411.09692,
title = {Reggeization in Color},
author = {Anjie Gao and Ian Moult and Sanjay Raman and Gregory Ridgway and Iain W. Stewart},
journal= {arXiv preprint arXiv:2411.09692},
year = {2024}
}
Comments
27 pages, 3 figures