Publication:
Double polarization observables in pentaquark photoproduction

dc.contributor.authorWinney, D.
dc.contributor.authorFanelli, C.
dc.contributor.authorPilloni, A.
dc.contributor.authorBlin, A. N. Hiller
dc.contributor.authorFernández Ramírez, C.
dc.contributor.authorAlbaladejo, M.
dc.contributor.authorMathieu, V.
dc.contributor.authorMokeev, V. I.
dc.contributor.authorSzczepaniak, A. P.
dc.date.accessioned2023-06-17T12:44:30Z
dc.date.available2023-06-17T12:44:30Z
dc.date.issued2019-08-20
dc.description.abstractWe investigate the properties of the hidden-charm pentaquark-like resonances first observed by the LHCb Collaboration in 2015, by measuring the polarization transfer K L L between the incident photon and the outgoing proton in the exclusive photoproduction of J / ψ near threshold. We present a first estimate of the sensitivity of this observable to the pentaquark photocouplings and hadronic branching ratios, and extend our predictions to the case of the initial-state helicity correlation A L L , using a polarized target. These results serve as a benchmark for the SBS experiment at Jefferson Lab, which proposes to measure for the first time the helicity correlations A L L and K L L in J / ψ exclusive photoproduction, in order to determine the pentaquark photocouplings and branching ratios.
dc.description.departmentDepto. de Física Teórica
dc.description.facultyFac. de Ciencias Físicas
dc.description.refereedTRUE
dc.description.sponsorshipU.S. Department of Energy
dc.description.sponsorshipPAPIITDGAPA (UNAM, Mexico)
dc.description.sponsorshipCONACYT (Mexico)
dc.description.sponsorshipDFG/Collaborative Research Center/Cluster of Excellence
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/74440
dc.identifier.doi10.1103/PhysRevD.100.034019
dc.identifier.issn2470-0010
dc.identifier.officialurlhttps://doi.org/10.1103/PhysRevD.100.034019
dc.identifier.urihttps://hdl.handle.net/20.500.14352/12876
dc.issue.number3
dc.journal.titlePhysical Review D
dc.language.isoeng
dc.publisherAPS Physics
dc.relation.projectIDDE-AC05-06OR23177, No. DE-FG02- 87ER40365, and No. DE-FG02-94ER40818
dc.relation.projectIDIA101819
dc.relation.projectID251817 and No. A1-S21389
dc.relation.projectID204404729—SFB 1044, no. 39083149
dc.rightsAtribución 3.0 España
dc.rights.accessRightsopen access
dc.rights.urihttps://creativecommons.org/licenses/by/3.0/es/
dc.subject.ucmFísica-Modelos matemáticos
dc.titleDouble polarization observables in pentaquark photoproduction
dc.typejournal article
dc.volume.number100
dspace.entity.typePublication
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