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Multi-dimensional hadron structure through the lens of gluon Wigner distribution
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SYSNO ASEP 0588119 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Multi-dimensional hadron structure through the lens of gluon Wigner distribution Author(s) Pasechnik, Roman (FZU-D) ORCID
Taševský, Marek (FZU-D) RID, ORCIDNumber of authors 2 Source Title Physics Reports-Review Section of Physics Letters. - : Elsevier - ISSN 0370-1573
Roč. 1084, Sept (2024), s. 3-57Number of pages 55 s. Language eng - English Country NL - Netherlands Keywords hadron structure ; gluon Wigner function ; (semi)exclusive process ; two-particle correlations ; elliptic flow Subject RIV BF - Elementary Particles and High Energy Physics OECD category Particles and field physics R&D Projects EF18_053/0016627 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) LTT17018 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Method of publishing Open access Institutional support FZU-D - RVO:68378271 UT WOS 001266454500001 EID SCOPUS 85197628918 DOI https://doi.org/10.1016/j.physrep.2024.06.004 Annotation IWe review the current status of phenomenological research on constraining the multi-dimensional proton (and nucleus) structure at high energies through studies of the gluon Wigner distributions. We provide a brief pedagogical introduction into the corresponding theoretical definitions and modelling of exclusive and diffractive scattering observables in terms of the Wigner distribution. Also, we present an outlook into the existing and planned measurements that attempt to constrain the Wigner distribution. We overview possible interconnections between various manifestations of the gluon Wigner distribution emerging, for instance, in azimuthal-angle correlations in (semi)exclusive reactions and elliptic flow measurements in inclusive processes. We also summarise the current knowledge on the most important processes potentially enabling one to constrain the elliptic gluon density in the proton and to separate it from the genuine effect of hydrodynamic evolution in the flow measurements. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2025 Electronic address https://hdl.handle.net/11104/0355147
Number of the records: 1