Observation of the Associated Production of a Single Top Quark - and a W Boson in Pp Collisions at Root S=8 Tev
| dc.contributor.author | Karapınar, Güler | |
| dc.coverage.doi | 10.1103/PhysRevLett.112.231802 | |
| dc.date.accessioned | 2021-01-24T18:47:17Z | |
| dc.date.available | 2021-01-24T18:47:17Z | |
| dc.date.issued | 2014 | |
| dc.description.abstract | The first observation of the associated production of a single top quark and a W boson is presented. The analysis is based on a data set corresponding to an integrated luminosity of 12.2 fb(-1) of proton-proton collisions at root s = 8 TeV recorded by the CMS experiment at the LHC. Events with two leptons and a jet originating from a b quark are selected. A multivariate analysis based on kinematic and topological properties is used to separate the signal from the dominant (tt) over bar background. An excess consistent with the signal hypothesis is observed, with a significance which corresponds to 6.1 standard deviations above a background-only hypothesis. The measured production cross section is 23.4 +/- 5.4 pb, in agreement with the standard model prediction. | en_US |
| dc.description.sponsorship | We 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, Contract No. 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); DAE and DST (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, RAS, and RFBR (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.identifier.doi | 10.1103/PhysRevLett.112.231802 | |
| dc.identifier.issn | 0031-9007 | |
| dc.identifier.issn | 1079-7114 | |
| dc.identifier.uri | https://doi.org/10.1103/PhysRevLett.112.231802 | |
| dc.identifier.uri | https://hdl.handle.net/11147/10614 | |
| dc.language.iso | en | en_US |
| dc.publisher | American Physical Society | en_US |
| dc.relation.ispartof | Physical Review Letters | en_US |
| dc.rights | info:eu-repo/semantics/openAccess | en_US |
| dc.title | Observation of the Associated Production of a Single Top Quark - and a W Boson in Pp Collisions at Root S=8 Tev | en_US |
| dc.type | Article | en_US |
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| gdc.description.department | İzmir Institute of Technology. Rectorate | en_US |
| gdc.description.issue | 23 | en_US |
| gdc.description.publicationcategory | Makale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı | en_US |
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| gdc.description.volume | 112 | en_US |
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| gdc.oaire.keywords | p p --> top W anything | |
| gdc.oaire.keywords | 550 | |
| gdc.oaire.keywords | top: single production | |
| gdc.oaire.keywords | General Physics and Astronomy | |
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| gdc.oaire.keywords | PARTICLE PHYSICS; LARGE HADRON COLLIDER; CMS | |
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| gdc.oaire.keywords | [Anahtar Kelime Yok] | |
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| gdc.oaire.keywords | ddc:530 | |
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| gdc.oaire.keywords | jet: bottom | |
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