A spectator-model way to transverse-momentum-dependent gluon distribution functions

We present exploratory analyses of the 3D gluon content of the proton via a study of unpolarized and polarized gluon TMDs at twist-2, calculated in a spectator model for the parent nucleon. Our approach embodies a flexible parametrization for the spectator-mass function, suited to describe both mode...

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Published inSciPost physics proceedings no. 8; p. 040
Main Authors Bacchetta, Alessandro, Celiberto, Francesco Giovanni, Radici, Marco, Taels, Pieter
Format Journal Article
LanguageEnglish
Published SciPost 12.07.2022
Online AccessGet full text
ISSN2666-4003
2666-4003
DOI10.21468/SciPostPhysProc.8.040

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Abstract We present exploratory analyses of the 3D gluon content of the proton via a study of unpolarized and polarized gluon TMDs at twist-2, calculated in a spectator model for the parent nucleon. Our approach embodies a flexible parametrization for the spectator-mass function, suited to describe both moderate and small-x effects. All these studies can serve as a useful guidance in the investigation of the gluon dynamics inside nucleons and nuclei, which constitutes one of the major goals of new-generation colliding machines, as the EIC, the HL-LHC, NICA, and the FPF.
AbstractList We present exploratory analyses of the 3D gluon content of the proton via a study of unpolarized and polarized gluon TMDs at twist-2, calculated in a spectator model for the parent nucleon. Our approach embodies a flexible parametrization for the spectator-mass function, suited to describe both moderate and small-$x$ effects. All these studies can serve as a useful guidance in the investigation of the gluon dynamics inside nucleons and nuclei, which constitutes one of the major goals of new-generation colliding machines, as the EIC, the HL-LHC, NICA, and the FPF.
ArticleNumber 040
Author Taels, Pieter
Radici, Marco
Celiberto, Francesco Giovanni
Bacchetta, Alessandro
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