Azimuthal Correlations within Exclusive Dijets with Large Momentum Transfer in Photon-Lead Collisions

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dc.WoS.categoriesPhysics, Multidisciplinaryen_US
dc.authorid0009-0008-7123-3924en_US
dc.contributor.authorTumasyan, A.
dc.contributor.authorÇakır, Affan
dc.date.accessioned2024-04-17T10:01:00Z
dc.date.available2024-04-17T10:01:00Z
dc.date.issued2023-08
dc.description.abstractThe structure of nucleons is multidimensional and depends on the transverse momenta, spatial geometry, and polarization of the constituent partons. Such a structure can be studied using high-energy photons produced in ultraperipheral heavy-ion collisions. The first measurement of the azimuthal angular correlations of exclusively produced events with two jets in photon-lead interactions at large momentum transfer is presented, a process that is considered to be sensitive to the underlying nuclear gluon polarization. This study uses a data sample of ultraperipheral lead-lead collisions at ffiffiffiffiffiffiffi p = 5.02 TeV, corresponding to sNN an integrated luminosity of 0.38 nb-1, collected with the CMS experiment at the LHC. The measured second harmonic of the correlation between the sum and difference of the two jet transverse momentum vectors is found to be positive, and rising, as the dijet transverse momentum increases. A well-tuned model that has been successful at describing a wide range of proton scattering data from the HERA experiments fails to describe the observed correlations, suggesting the presence of gluon polarization effects.en_US
dc.fullTextLevelFull Texten_US
dc.identifier.doi10.1103/PhysRevLett.131.051901en_US
dc.identifier.issn1079-7114
dc.identifier.issn0031-9007
dc.identifier.pmid37595238en_US
dc.identifier.scopus2-s2.0-85168371955en_US
dc.identifier.urihttps://hdl.handle.net/11411/5265
dc.identifier.urihttps://doi.org/10.1103/PhysRevLett.131.051901
dc.identifier.wosWOS:001102975600004en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.issue5en_US
dc.language.isoenen_US
dc.nationalInternationalen_US
dc.numberofauthors200+en_US
dc.publisherAMER PHYSICAL SOCen_US
dc.relation.ispartofPHYSICAL REVIEW LETTERSen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectDEEP-INELASTIC SCATTERINGen_US
dc.titleAzimuthal Correlations within Exclusive Dijets with Large Momentum Transfer in Photon-Lead Collisionsen_US
dc.typeArticleen_US
dc.volume131en_US

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