Pseudo and quasi gluon PDF in the BFKL approximation

Chirilli, Giovanni Antonio (2022) Pseudo and quasi gluon PDF in the BFKL approximation. JOURNAL OF HIGH ENERGY PHYSICS (3): 064. ISSN 1029-8479,

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Abstract

I study the behavior of the gauge-invariant gluon bi-local operator with space-like separation at large longitudinal distances. Performing the Fourier transform, I also calculate the behavior of the pseudo and quasi gluon PDF at low Bjorken x and compare it with the leading and next-to-leading twist approximation. I show that the pseudo-PDF and quasi-PDF are very different at this regime and that the higher twist corrections of the quasi-PDF come in not as inverse powers of P but as inverse powers of xBP.

Item Type: Article
Uncontrolled Keywords: COLOR GLASS CONDENSATE; EVOLUTION; Resummation; Perturbative QCD
Subjects: 500 Science > 530 Physics
Divisions: Physics > Institute of Theroretical Physics
Depositing User: Dr. Gernot Deinzer
Date Deposited: 05 Dec 2023 10:25
Last Modified: 05 Dec 2023 10:25
URI: https://pred.uni-regensburg.de/id/eprint/56922

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