Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/10625
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dc.contributor.authorCMS Collaboration-
dc.date.accessioned2021-01-24T18:47:19Z-
dc.date.available2021-01-24T18:47:19Z-
dc.date.issued2014-
dc.identifier.issn0031-9007-
dc.identifier.issn1079-7114-
dc.identifier.urihttps://doi.org/10.1103/PhysRevLett.112.171802-
dc.identifier.urihttps://hdl.handle.net/11147/10625-
dc.descriptionPubMed: 24836238en_US
dc.description.abstractA search for flavor-changing neutral currents in top-quark decays t -> Zq is performed in events produced from the decay chain (tt) over bar -> Zq + Wb, where both vector bosons decay leptonically, producing a final state with three leptons (electrons or muons). A data set collected with the CMS detector at the LHC is used, corresponding to an integrated luminosity of 19.7 fb(-1) of proton-proton collisions at a center-of-mass energy of 8 TeV. No excess is seen in the observed number of events relative to the standard model prediction; thus, no evidence for flavor-changing neutral currents in top-quark decays is found. A combination with a previous search at 7 TeV excludes a t. Zq branching fraction greater than 0.05% at the 95% confidence level.en_US
dc.description.sponsorshipBMWF; FWF (Austria)Austrian Science Fund (FWF); FNRSFonds de la Recherche Scientifique - FNRS; FWO (Belgium)FWO; CNPqNational Council for Scientific and Technological Development (CNPq); CAPESCAPES; FAPERJCarlos Chagas Filho Foundation for Research Support of the State of Rio de Janeiro (FAPERJ); FAPESPFundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP); Science and Technology Facilities CouncilScience & Technology Facilities Council (STFC) [ST/I005912/1 GRIDPP, ST/F007094/1, ST/K003844/1, PP/E002803/1, ST/G502347/1, ST/H000925/2, ST/I505572/1, ST/H000925/1, ST/I002200/1, ST/K003542/1 GRID PP, ST/L00609X/1 GRIDPP, ST/F006748/1, ST/I005912/1, ST/I003622/1 GRIDPP, ST/K001256/1, ST/K003844/1 GRIDPP, ST/K001639/1, ST/I000305/1, ST/L005603/1, ST/J005665/1, ST/J004871/1, ST/K001604/1, ST/J004901/1, ST/K003542/1, ST/I000410/1, ST/J005479/1, ST/M002020/1, ST/K001531/1, ST/L00609X/1, CMS, ST/I003622/1] Funding Source: researchfish; Direct For Mathematical & Physical ScienNational Science Foundation (NSF)NSF - Directorate for Mathematical & Physical Sciences (MPS) [1306951, 1314131, 1211067, 0906479, 1205960, 1120138] Funding Source: National Science Foundation; Division Of PhysicsNational Science Foundation (NSF)NSF - Directorate for Mathematical & Physical Sciences (MPS) [1151640, 1120138, 1205960, 1211067, 1314131] Funding Source: National Science Foundationen_US
dc.description.sponsorshipWe congratulate our colleagues in the CERN accelerator departments for the excellent performance of the LHC and thank the technical and administrative staffs at CERN and at other CMS institutes for their contributions to the success of the CMS effort. In addition, we gratefully acknowledge the computing centers and personnel of the Worldwide LHC Computing Grid for delivering so effectively the computing infrastructure essential to our analyses. Finally, we acknowledge the enduring support for the construction and operation of the LHC and the CMS detector provided by the following funding agencies: BMWF and FWF (Austria); FNRS and FWO (Belgium); CNPq, CAPES, FAPERJ, and FAPESP (Brazil); MES (Bulgaria); CERN; CAS, MoST, and NSFC (China); COLCIENCIAS (Colombia); MSES and CSF (Croatia); RPF (Cyprus); MoER, SF0690030s09 and ERDF (Estonia); Academy of Finland, MEC, and HIP (Finland); CEA and CNRS/ IN2P3 (France); BMBF, DFG, and HGF (Germany); GSRT (Greece); OTKA and NIH (Hungary); DAEandDST(India); IPM(Iran); SFI (Ireland); INFN(Italy); NRF and WCU (Republic of Korea); LAS (Lithuania); CINVESTAV, CONACYT, SEP, and UASLP- FAI (Mexico); MBIE (New Zealand); PAEC (Pakistan); MSHE and NSC (Poland); FCT (Portugal); JINR (Dubna); MON, RosAtom, RASandRFBR(Russia); MESTD(Serbia); SEIDI and CPAN (Spain); Swiss Funding Agencies (Switzerland); NSC (Taipei); ThEPCenter, IPST, STAR and NSTDA (Thailand); TUBITAK and TAEK (Turkey); NASU (Ukraine); STFC (United Kingdom); DOE and NSF (USA).en_US
dc.language.isoenen_US
dc.publisherAmerican Physical Societyen_US
dc.relation.ispartofPhysical Review Lettersen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.titleSearch for flavor-changing neutral currents in top-quark decays t -> Zq in pp collisions at root s=8 TeVen_US
dc.typeArticleen_US
dc.departmentİzmir Institute of Technology. Rectorateen_US
dc.identifier.volume112en_US
dc.identifier.issue17en_US
dc.identifier.wosWOS:000336099500003en_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.identifier.doi10.1103/PhysRevLett.112.171802-
dc.identifier.pmid24836238en_US
dc.relation.doi10.1103/PhysRevLett.112.171802en_US
dc.coverage.doi10.1103/PhysRevLett.112.171802en_US
dc.identifier.wosqualityQ1-
dc.identifier.scopusqualityQ1-
dc.identifier.wosqualityttpTop10%en_US
item.fulltextNo Fulltext-
item.grantfulltextnone-
item.languageiso639-1en-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.cerifentitytypePublications-
item.openairetypeArticle-
Appears in Collections:PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection
Rectorate / Rektörlük
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection
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