The production of isolated photons in PbPb and pp collisions at root s(NN)=5.02 TeV

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dc.WoS.categoriesPhysics, Particles & Fieldsen_US
dc.authorid0000-0002-9007-8260en_US
dc.contributor.authorYetkin, Elif Aslı
dc.date.accessioned2020-11-11T06:41:40Z
dc.date.available2020-11-11T06:41:40Z
dc.date.issued2020-07-17
dc.departmentFakülteler, Mühendislik ve Doğa Bilimleri Fakültesi, Enerji Sistemleri Mühendisliği Bölümüen_US
dc.description39 pagesen_US
dc.description.abstractThe transverse energy (ET gamma) spectra of photons isolated from other particles are measured using proton-proton (pp) and lead-lead (PbPb) collisions at the LHC at root s(NN) = 5.02 TeV with integrated luminosities of 27.4 pb(-1) and 404 mu b(-1) for pp and PbPb data, respectively. The results are presented for photons with 25 < E-T(gamma)< 200 GeV in the pseudorapidity range vertical bar eta vertical bar < 1.44, and for different centrality intervals for PbPb collisions. Photon production in PbPb collisions is consistent with that in pp collisions scaled by the number of binary nucleon-nucleon collisions, demonstrating that photons do not interact with the quark-gluon plasma. Therefore, isolated photons can provide information about the initial energy of the associated parton in photon+jet measurements. The results are compared with predictions from the next-to-leading-order jetphox generator for different parton distribution functions (PDFs) and nuclear PDFs (nPDFs). The comparisons can help to constrain the nPDFs global fits.en_US
dc.fullTextLevelFull Texten_US
dc.identifier.doi10.1007/JHEP07(2020)116en_US
dc.identifier.issn1029-8479
dc.identifier.scopus2-s2.0-85088163145en_US
dc.identifier.urihttps://hdl.handle.net/11411/2578
dc.identifier.urihttps://doi.org/10.1007/JHEP07(2020)116
dc.identifier.wosWOS:000553357900001en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.issue7en_US
dc.language.isoenen_US
dc.nationalInternationalen_US
dc.numberofauthors1000+en_US
dc.publisherSpringeren_US
dc.relation.ispartofJournal of High Energy Physicsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectPhoton productionen_US
dc.subjectHeavy-ion collisionen_US
dc.subjectHadron-Hadron scattering (experiments)en_US
dc.titleThe production of isolated photons in PbPb and pp collisions at root s(NN)=5.02 TeVen_US
dc.typeArticleen_US

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