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Measurements of the t(t)Overbar charge asymmetry using the dilepton decay channel in pp collisions at ?s=7 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.authorÖzok, Ferhat
dc.date.accessioned2025-01-09T20:14:10Z
dc.date.available2025-01-09T20:14:10Z
dc.date.issued2014
dc.identifier.issn1029-8479
dc.identifier.urihttps://doi.org/10.1007/JHEP04(2014)191
dc.identifier.urihttps://hdl.handle.net/20.500.14124/8822
dc.description.abstractThe t(t)Overbar charge asymmetry in proton-proton collisions root s = 7TeV is measured using the dilepton decay channel (ee, e mu, or mu mu). The data correspond to a total integrated luminosity of 5.0 fb(-1), collected by the CMS experiment at the LHC. The t(t) Overbar and lepton charge asymmetries, defined as the differences in absolute values of the rapidities between the reconstructed top quarks and antiquarks and of the pseudorapidities between the positive and negative leptons, respectively, are measured to be A(C) = -0.010 +/- 0.017 (stat.) +/- 0.008 (syst.) and A(C)(lep) = 0.009 +/- 0.010 (stat.) +/- 0.006 (syst.). The lepton charge asymmetry is also measured as a function of the invariant mass, rapidity, and transverse momentum of the system. All measurements are consistent with the expectations of the standard model.en_US
dc.description.sponsorshipBMWF; FWF; FNRS; FWO; CNPq; CAPES; FAPERJ; FAPESP; CERN; CAS; MoST; NSFC; COLCIENCIAS; MSES; CSF; RPF; MoER [SF0690030s09]; ERDF; Academy of Finland; MEC; HIP; CEA; CNRS/ IN2P3; BMBF; DFG; HGF; GSRT; OTKA and NIH; DAE and DST; IPM; SFI; INFN; NRF; WCU; LAS; MOE; UM; CINVESTAV; CONACYT; CONACYT, SEP; UASLP- FAI (Mexico); MBIE; PAEC; MSHE and NSC; FCT; JINR; MON, RosAtom, RAS and RFBR; MESTD; SEIDI and CPAN; Swiss Funding Agencies; NSC; ThEPCenter, IPST, STAR and NSTDA (Thailand); TUBITAK and TAEK (Turkey); NASU; STFC; DOE and NSF (USA); STFC [ST/H000925/1, ST/H000925/2, ST/F006748/1, ST/M002020/1, ST/L00609X/1, ST/G502347/1, ST/J004871/1, ST/F007094/1, ST/J004901/1, ST/K003542/1, ST/I000305/1, ST/I003622/1, ST/I002200/1, ST/J005479/1, ST/I505572/1, ST/K003844/1, ST/K001531/1, ST/K001604/1, ST/H00081X/2, ST/L005603/1, PP/E002803/1, ST/I000410/1, ST/I005912/1, ST/J005665/1, ST/K001639/1] Funding Source: UKRI; Direct For Mathematical & Physical Scien; Division Of Physics [1205960, 1120138] Funding Source: National Science Foundation; Division Of Physics; Direct For Mathematical & Physical Scien [1151640, 1314131, 1306951, 0906479] 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 centres 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 FWO (Belgium); CNPq, CAPES, FAPERJ, and FAPESP (Brazil); and MESd (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); DAE and DST (India); IPM (Iran); SFI (Ireland); INFN (Italy); NRF and WCU (Republic of Korea); LAS (Lithuania); MOE and UM (Malaysia); 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.language.isoengen_US
dc.publisherSpringeren_US
dc.relation.ispartofJournal of High Energy Physicsen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectHardon-Hadron Scatteringen_US
dc.subjectTop physicsen_US
dc.titleMeasurements of the t(t)Overbar charge asymmetry using the dilepton decay channel in pp collisions at ?s=7 TeVen_US
dc.typearticleen_US
dc.authorid0000-0001-9630-7362
dc.departmentFakülteler, Fen Edebiyat Fakültesi, Fizik Bölümüen_US
dc.institutionauthorÖzok, Ferhat
dc.identifier.doi10.1007/JHEP04(2014)191
dc.identifier.issue4en_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.identifier.wosqualityQ1
dc.identifier.wosWOS:000335810800001
dc.identifier.scopus2-s2.0-84901488100
dc.identifier.scopusqualityQ1
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.snmzKA_20250105


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