Finite Nc corrections in the Balitsky-Kovchegov equation at next-to-leading order

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Lappi , T , Mäntysaari , H & Ramnath , A 2021 , ' Finite N c corrections in the Balitsky-Kovchegov equation at next-to-leading order ' , Proceedings of Science , vol. 387 , 102 . https://doi.org/10.22323/1.387.0102

Titel: Finite Nc corrections in the Balitsky-Kovchegov equation at next-to-leading order
Författare: Lappi, T.; Mäntysaari, H.; Ramnath, A.
Upphovmannens organisation: Helsinki Institute of Physics
Datum: 2021-09-01
Språk: eng
Sidantal: 5
Tillhör serie: Proceedings of Science
ISSN: 1824-8039
DOI: https://doi.org/10.22323/1.387.0102
Permanenta länken (URI): http://hdl.handle.net/10138/335500
Abstrakt: We study the finite-Nc corrections to the next-to-leading order (NLO) Balitsky-Kovchegov (BK) equation. This contains correlators of six Wilson lines, which we express in terms of the two-point function using the Gaussian approximation. Numerically, the effects of these finite-Nc corrections on the NLO BK equation are found to be smaller than the expected 1/Nc2 ∼ 10%. Corrections may be large for individual correlators, but have less of an influence on the shape of the amplitude as a function of the dipole size. There is an even smaller effect on the evolution speed as a function of rapidity.
Beskrivning: Publisher Copyright: © owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND 4.0).
Subject: 114 Physical sciences
Referentgranskad: Ja
Licens: cc_by_nc_nd
Användningsbegränsning: openAccess
Parallelpublicerad version: publishedVersion


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