Generalized parton distributions through universal moment parameterization: non-zero skewness case

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dc.contributor.authorGuo, Yuxun
dc.contributor.authorJi, Xiangdong
dc.contributor.authorSantiago, M. G.
dc.contributor.authorShiells, Kyle
dc.contributor.authorYang, Jinghong
dc.date.accessioned2023-06-07T14:23:07Z
dc.date.available2023-06-07T14:23:07Z
dc.date.issued2023-05-18
dc.date.updated2023-06-01T03:27:39Z
dc.description.abstractAbstract We present the first global analysis of generalized parton distributions (GPDs) combing lattice quantum chromodynamics (QCD) calculations and experiment measurements including global parton distribution functions (PDFs), form factors (FFs) and deeply virtual Compton scattering (DVCS) measurements. Following the previous work where we parameterize GPDs in terms of their moments, we extend the framework to allow for the global analysis at non-zero skewness. Together with the constraints at zero skewness, we fit GPDs to global DVCS measurements from both the recent JLab and the earlier Hadron-Electron Ring Accelerator (HERA) experiments with two active quark flavors and leading order QCD evolution. With certain choices of empirical constraints, both sea and valence quark distributions are extracted with the combined inputs, and we present the quark distributions in the proton correspondingly. We also discuss how to extend the framework to accommodate more off-forward constraints beyond the small ξ expansion, especially the lattice calculated GPDs.en_US
dc.identifier.citationJournal of High Energy Physics. 2023 May 18;2023(5):150
dc.identifier.citationJournal of High Energy Physics. 2023 May 18;2023(5):150
dc.identifier.citationJournal of High Energy Physics. 2023 May 18;2023(5):150
dc.identifier.citationJournal of High Energy Physics. 2023 May 18;2023(5):150
dc.identifier.citationJournal of High Energy Physics. 2023 May 18;2023(5):150
dc.identifier.citationJournal of High Energy Physics. 2023 May 18;2023(5):150
dc.identifier.citationJournal of High Energy Physics. 2023 May 18;2023(5):150
dc.identifier.citationJournal of High Energy Physics. 2023 May 18;2023(5):150
dc.identifier.citationJournal of High Energy Physics. 2023 May 18;2023(5):150
dc.identifier.citationJournal of High Energy Physics. 2023 May 18;2023(5):150
dc.identifier.citationJournal of High Energy Physics. 2023 May 18;2023(5):150
dc.identifier.citationJournal of High Energy Physics. 2023 May 18;2023(5):150
dc.identifier.citationJournal of High Energy Physics. 2023 May 18;2023(5):150
dc.identifier.citationJournal of High Energy Physics. 2023 May 18;2023(5):150
dc.identifier.doi10.1007/JHEP05(2023)150
dc.identifier.urihttps://doi.org/10.1007/JHEP05(2023)150
dc.identifier.urihttp://hdl.handle.net/1993/37379
dc.language.isoengen_US
dc.language.rfc3066en
dc.publisherSpringerOpenen_US
dc.rightsopen accessen_US
dc.rights.holderThe Author(s)
dc.subjectParton Distributionsen_US
dc.subjectProperties of Hadronsen_US
dc.subjectSpecific QCD Phenomenologyen_US
dc.titleGeneralized parton distributions through universal moment parameterization: non-zero skewness caseen_US
dc.typejournal articleen_US
local.author.affiliationFaculty of Science::Department of Physics and Astronomyen_US
oaire.citation.startPage150en_US
oaire.citation.titleJournal of High Energy Physicsen_US
oaire.citation.volume5en_US
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