Mimar Sinan Güzel Sanatlar Üniversitesi Açık Bilim, Sanat Arşivi

Açık Bilim, Sanat Arşivi, Mimar Sinan Güzel Sanatlar Üniversitesi tarafından doğrudan ve dolaylı olarak yayınlanan; kitap, makale, tez, bildiri, rapor gibi tüm akademik kaynakları uluslararası standartlarda dijital ortamda depolar, Üniversitenin akademik performansını izlemeye aracılık eder, kaynakları uzun süreli saklar ve yayınların etkisini artırmak için telif haklarına uygun olarak Açık Erişime sunar.

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Search for Flavor-Changing Neutral Currents in Top-Quark Decays t ? Zq in pp Collisions at ?s=8 TeV

dc.contributor.authorChatrchyan, S.
dc.contributor.authorKhachatryan, V.
dc.contributor.authorSirunyan, A. M.
dc.contributor.authorTumasyan, A.
dc.contributor.authorAdam, W.
dc.contributor.authorBergauer, T.
dc.contributor.authorDragicevic, M.
dc.date.accessioned2025-01-09T20:12:27Z
dc.date.available2025-01-09T20:12:27Z
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/20.500.14124/8638
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); FNRS; FWO (Belgium); CNPq; CAPES; FAPERJ; FAPESP; STFC [ST/I000305/1, ST/K003542/1, ST/J004901/1, ST/F007094/1, ST/J004871/1, ST/J005665/1, ST/I005912/1, ST/I000410/1, PP/E002803/1, ST/L005603/1, ST/H000925/1, ST/H000925/2, ST/F006748/1, ST/K001639/1, ST/M002020/1, ST/L00609X/1, ST/G502347/1, ST/K001604/1, ST/I003622/1, ST/I002200/1, ST/J005479/1, ST/I505572/1, ST/K003844/1, ST/H00081X/2, ST/K001531/1] Funding Source: UKRI; Direct For Mathematical & Physical Scien; Division Of Physics [1151640, 1211067, 0906479, 1120138] Funding Source: National Science Foundation; Division Of Physics; Direct For Mathematical & Physical Scien [1205960, 1306951, 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.isoengen_US
dc.publisherAmer Physical Socen_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 ?s=8 TeVen_US
dc.typearticleen_US
dc.authoridcartiglia, nicolo/0000-0002-0548-9189
dc.authoridPaganoni, Marco/0000-0003-2461-275X
dc.authoridMeschi, Emilio/0000-0003-4502-6151
dc.authoridGorski, Maciej/0000-0003-2146-187X
dc.authoridMalvezzi, Sandra/0000-0002-0218-4910
dc.authoridGamsizkan, Halil/0000-0002-2578-6295
dc.authoridLychkovskaya, Natalia/0000-0001-5084-9019
dc.departmentMimar Sinan Güzel Sanatlar Üniversitesien_US
dc.identifier.doi10.1103/PhysRevLett.112.171802
dc.identifier.volume112en_US
dc.identifier.issue17en_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.identifier.wosqualityQ1
dc.identifier.wosWOS:000336099500003
dc.identifier.pmid24836238
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakPubMeden_US
dc.snmzKA_20250105


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