First Measurement of the Cross Section for Top-Quark Pair Production in Proton-Proton Collisions at Root S=7 Tev
| dc.contributor.author | Karapınar, Güler | |
| dc.coverage.doi | 10.1016/j.physletb.2010.11.058 | |
| dc.date.accessioned | 2021-01-24T18:47:46Z | |
| dc.date.available | 2021-01-24T18:47:46Z | |
| dc.date.issued | 2011 | |
| dc.description.abstract | The first measurement of the cross section for top-quark pair production in pp collisions at the Large Hadron Collider at center-of-mass energy root s = 7 TeV has been performed using a data sample corresponding to an integrated luminosity of 3.1 +/- 0.3 pb(-1) recorded by the CMS detector. This result utilizes the final state with two isolated, highly energetic charged leptons, large missing transverse energy, and two or more jets. Backgrounds from Drell-Yan and non-W/Z boson production are estimated from data. Eleven events are observed in the data with 2.1 +/- 1.0 events expected from background. The measured cross section is 194 +/- 72(stat.) +/- 24(syst.) +/- 21(lumi.) pb, consistent with next-to-leading order predictions. (C) 2010 CERN. Published by Elsevier B.V. All rights reserved. | en_US |
| dc.description.sponsorship | We wish to congratulate our colleagues in the CERN accelerator departments for the excellent performance of the LHC machine. We thank the technical and administrative staff at CERN and other CMS institutes, and acknowledge support from: FMSR (Austria); FNRS and FWO (Belgium); CNPq, CAPES, FAPERJ, and FAPESP (Brazil); MES (Bulgaria); CERN; CAS, MoST, and NSFC (China); COLCIENCIAS (Colombia); MSES (Croatia); RPF (Cyprus); Academy of Sciences and NICPB (Estonia); Academy of Finland, ME, and HIP (Finland); CEA and CNRS/IN2P3 (France); BMBF, DFG, and HGF (Germany); GSRT (Greece); OTKA and NKTH (Hungary); DAE and DST (India); IPM (Iran); SFI (Ireland); INFN (Italy); NRF and WCU (Korea); LAS (Lithuania); CINVESTAV, CONACYT, SEP, and UASLP-FAI (Mexico); PAEC (Pakistan); SCSR (Poland); FCT (Portugal); JINR (Armenia, Belarus, Georgia, Ukraine, Uzbekistan); MST and MAE (Russia); MSTD (Serbia); MICINN and CPAN (Spain); Swiss Funding Agencies (Switzerland); NSC (Taipei); TUBITAK and TAEK (Turkey); STFC (United Kingdom); DOE and NSF (USA). | en_US |
| dc.identifier.doi | 10.1016/j.physletb.2010.11.058 | en_US |
| dc.identifier.issn | 0370-2693 | |
| dc.identifier.uri | https://doi.org/10.1016/j.physletb.2010.11.058 | |
| dc.identifier.uri | https://hdl.handle.net/11147/10750 | |
| dc.language.iso | en | en_US |
| dc.publisher | Elsevier Ltd. | en_US |
| dc.relation.ispartof | Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics | en_US |
| dc.rights | info:eu-repo/semantics/openAccess | en_US |
| dc.subject | CMS | en_US |
| dc.subject | LHC | en_US |
| dc.subject | Physics | en_US |
| dc.subject | Top quark | en_US |
| dc.subject | Cross section | en_US |
| dc.title | First Measurement of the Cross Section for Top-Quark Pair Production in Proton-Proton Collisions at Root S=7 Tev | en_US |
| dc.type | Article | en_US |
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| gdc.description.department | İzmir Institute of Technology. Rectorate | en_US |
| gdc.description.endpage | 443 | en_US |
| gdc.description.issue | 5 | en_US |
| gdc.description.publicationcategory | Makale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı | en_US |
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