主页 > Toward twist-2 $T$-odd transverse-momentum-dependent gluon distributions: the $f$-type Sivers function |
Article | |
Report number | arXiv:2111.01686 |
Title | Toward twist-2 $T$-odd transverse-momentum-dependent gluon distributions: the $f$-type Sivers function |
Author(s) | Bacchetta, Alessandro (Pavia U. ; INFN, Pavia) ; Celiberto, Francesco Giovanni (CERN ; Fond. Bruno Kessler, Povo ; TIFPA-INFN, Trento) ; Radici, Marco (INFN, Pavia) |
Publication | 2022-03-09 |
Imprint | 2021-11-02 |
Number of pages | 6 |
Note | 6 pages, 2 figures. Presented by F.G. Celiberto at the European Physical Society Conference on High Energy Physics (EPS-HEP2021), 26-30 July 2021; version accepted for publication in the conference proceedings by PoS |
In: | PoS EPS-HEP2021 (2022) 376 |
In: | European Physics Society conference on High Energy Physics 2021, Online, Online, 26 - 30 Jul 2021, pp.376 |
DOI | 10.22323/1.398.0376 |
Subject category | hep-ph ; Particle Physics - Phenomenology |
Abstract | We report progresses on leading-twist transverse-momentum-dependent (TMD) gluon distributions, calculated in a spectator-model framework for the parent nucleon. We encode in our formalism a fit-based parameterization for the spectator-mass density, suited to describe the gluon content of the proton in a wide range of $x$. We present preliminary results on the $f$-type Sivers function, a key ingredient to access relevant spin-asymmetries emerging when the nucleon is transversely polarized. These studies are helpful to shed light on the gluon dynamics inside nucleons and nuclei, which is one of the primary goals of new-generation colliding facilities, as the Electron-Ion Collider, the High-Luminosity LHC, NICA-SPD, and the Forward Physics Facility. |
Copyright/License | preprint: (License: arXiv nonexclusive-distrib 1.0) publication: © 2022-2024 The author(s) (License: CC-BY-NC-ND-4.0) |