Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/5456
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dc.contributor.authorCMS Collaboration-
dc.contributor.authorKarapınar, Güler-
dc.date.accessioned2017-05-05T12:42:57Z-
dc.date.available2017-05-05T12:42:57Z-
dc.date.issued2014-09-
dc.identifier.citationKhachatryan, V., Sirunyan, A.M., Tumasyan, A., Adam, W., Bergauer, T., Dragicevic, M., Erö, J., ...CMS Collaboration (2014). Measurement of prompt J/ψ pair production in pp collisions at s = 7 Tev. Journal of High Energy Physics, 2014(9). doi:10.1007/JHEP09(2014)094en_US
dc.identifier.issn1029-8479-
dc.identifier.urihttp://doi.org/10.1007/JHEP09(2014)094-
dc.identifier.urihttp://hdl.handle.net/11147/5456-
dc.description.abstractProduction of prompt J/ψ meson pairs in proton-proton collisions at s = 7 TeV is measured with the CMS experiment at the LHC in a data sample corresponding to an integrated luminosity of about 4.7 fb-1. The two J/ψ mesons are fully reconstructed via their decays into μ +μ -pairs. This observation provides for the first time access to the high-transverse-momentum region of J/ψ pair production where model predictions are not yet established. The total and differential cross sections are measured in a phase space defined by the individual J/ψ transverse momentum (p T J/ψ) and rapidity (|y J/ψ|): |y J/ψ| < 1.2 for p T J/ψ> 6.5 GeV/c; 1.2 < |y J/ψ| < 1.43 for a p Tthreshold that scales linearly with |y J/ψ| from 6.5 to 4.5 GeV/c; and 1.43 < |y J/ψ| < 2.2 for p T J/ψ> 4.5 GeV/c. The total cross section, assuming unpolarized prompt J/ψ pair production is 1.49 ± 0.07 (stat) ±0.13 (syst) nb. Different assumptions about the J/ψ polarization imply modifications to the cross section ranging from -31% to +27%. [Figure not available: see fulltext.] © 2014 The Author(s).en_US
dc.description.sponsorshipThe Scientific and Technical Research Council of Turkey, and Turkish Atomic Energy Authorityen_US
dc.language.isoenen_US
dc.publisherSpringer Verlagen_US
dc.relation.ispartofJournal of High Energy Physicsen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectMeson pairsen_US
dc.subjectProton-proton collisionen_US
dc.subjectCMS experimenten_US
dc.titleMeasurement of prompt J/? pair production in pp collisions at s = 7 Teven_US
dc.typeArticleen_US
dc.institutionauthorKarapınar, Güler-
dc.departmentİzmir Institute of Technology. Mathematicsen_US
dc.identifier.volume2014en_US
dc.identifier.issue9en_US
dc.identifier.wosWOS:000342431400001en_US
dc.identifier.scopus2-s2.0-84907232488en_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.identifier.doi10.1007/JHEP09(2014)094-
dc.relation.doi10.1007/JHEP09(2014)094en_US
dc.coverage.doi10.1007/JHEP09(2014)094en_US
dc.identifier.wosqualityQ1-
dc.identifier.scopusqualityQ1-
item.openairetypeArticle-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextWith Fulltext-
item.languageiso639-1en-
item.cerifentitytypePublications-
item.grantfulltextopen-
crisitem.author.dept01. Izmir Institute of Technology-
Appears in Collections:Mathematics / Matematik
Rectorate / Rektörlük
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection
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