Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/5220
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dc.contributor.authorCMS Collaboration-
dc.contributor.authorKarapınar, Güler-
dc.date.accessioned2017-04-04T13:04:17Z-
dc.date.available2017-04-04T13:04:17Z-
dc.date.issued2012-12-
dc.identifier.citationChatrchyan, S, Khachatryan, V., Sirunyan, A.M., Tumasyan, A., Adam, W., Aguilo, E., Bergauer, T., ...CMS Collaboration (2012). Combined search for the quarks of a sequential fourth generation. Physical Review D - Particles, Fields, Gravitation and Cosmology, 86(11). doi:10.1103/PhysRevD.86.112003en_US
dc.identifier.issn1550-7998-
dc.identifier.issn1550-2368-
dc.identifier.urihttp://doi.org/10.1103/PhysRevD.86.112003-
dc.identifier.urihttp://hdl.handle.net/11147/5220-
dc.description.abstractResults are presented from a search for a fourth generation of quarks produced singly or in pairs in a data set corresponding to an integrated luminosity of 5fb-1 recorded by the CMS experiment at the LHC in 2011. A novel strategy has been developed for a combined search for quarks of the up and down type in decay channels with at least one isolated muon or electron. Limits on the mass of the fourth-generation quarks and the relevant Cabibbo-Kobayashi-Maskawa matrix elements are derived in the context of a simple extension of the standard model with a sequential fourth generation of fermions. The existence of mass-degenerate fourth-generation quarks with masses below 685GeV is excluded at 95% confidence level for minimal off-diagonal mixing between the third- and the fourth-generation quarks. With a mass difference of 25GeV between the quark masses, the obtained limit on the masses of the fourth-generation quarks shifts by about ±20GeV. These results significantly reduce the allowed parameter space for a fourth generation of fermions. © 2012 CERN.en_US
dc.description.sponsorshipThe Scientific and Technical Research Council of Turkey, and Turkish Atomic Energy Authorityen_US
dc.language.isoenen_US
dc.publisherAmerican Physical Societyen_US
dc.relation.ispartofPhysical Review D - Particles, Fields, Gravitation and Cosmologyen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectLimits on production of particlesen_US
dc.subjectStandard modelen_US
dc.subjectQuarksen_US
dc.titleCombined search for the quarks of a sequential fourth generationen_US
dc.typeArticleen_US
dc.institutionauthorKarapınar, Güler-
dc.departmentİzmir Institute of Technology. Mathematicsen_US
dc.identifier.volume86en_US
dc.identifier.issue11en_US
dc.identifier.wosWOS:000312294500001en_US
dc.identifier.scopus2-s2.0-84871203513en_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.identifier.doi10.1103/PhysRevD.86.112003-
dc.relation.doi10.1103/PhysRevD.86.112003en_US
dc.coverage.doi10.1103/PhysRevD.86.112003en_US
dc.identifier.wosqualityQ1-
item.grantfulltextopen-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.cerifentitytypePublications-
item.openairetypeArticle-
item.languageiso639-1en-
item.fulltextWith Fulltext-
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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