Next-to-leading order Balitsky-Kovchegov equation beyond large Nc

@article{Lappi2020NexttoleadingOB,
  title={Next-to-leading order Balitsky-Kovchegov equation beyond large 
Nc},
  author={T. Lappi and Heikki M{\"a}ntysaari and A. Ramnath},
  journal={arXiv: High Energy Physics - Phenomenology},
  year={2020}
}
We calculate finite-$N_\mathrm{c}$ corrections to the next-to-leading order (NLO) Balitsky-Kovchegov (BK) equation. We find analytical expressions for the necessary correlators of six Wilson lines in terms of the two-point function using the Gaussian approximation. In a suitable basis, the problem reduces from the diagonalization of a six-by-six matrix to the diagonalization of a three-by-three matrix, which can easily be done analytically. We study numerically the effects of these finite-$N_… Expand

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